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  • 1.
    Biasca, Nicola
    et al.
    Spital Oberengadin, Orthopaedic Clinic.
    Agosti, Reto
    Headache Center Hirslanden, Zurich.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Battaglia, Hugo
    SUVA, Luzern.
    Gerber, Christian
    University of Zürich, Department of Orthopedics.
    Procedure after minor traumatic brain injury (mTBI) in ice hockey to prevent neurological sequele2004In: Safety in ice hockey, fourth volume: [papers presented at the Fourth Symposium on Ice Hockey held 5 - 6 May 2002 in Pittsburgh, Pennsylvania] / [ed] David J. Pearsall; Alan B. Ashare, West Conshohocken, Pa: ASTM International, 2004Conference paper (Other academic)
  • 2.
    Biasca, Nicola
    et al.
    Spital Oberengadin, Orthopaedic Clinic.
    Agosti, Reto
    Headache Center Hirslanden, Zurich.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Battaglia, Hugo
    SUVA, Luzern.
    Gerber, Christian
    University of Zürich, Department of Orthopedics.
    Procedures after minor traumatic brain injury (mTBI) in ice hockey to prevent neurological sequelae2001In: British Journal of Sports Medicine, ISSN 0306-3674, E-ISSN 1473-0480, Vol. 35, no 5, p. 367-Article in journal (Other academic)
  • 3.
    Biasca, Nicola
    et al.
    Spital Oberengadin, Orthopaedic Clinic.
    Battaglia, Hugo
    SUVA, Luzern.
    Tegner, Yelverton
    Behandlungsvorschläge der Commotio cerebri bei Kontakt- och Kampfsportarten: Beispiel im Eishockey1999In: Schweizerische Ärztezeitung, ISSN 1423-0496, Vol. 80, no 10, p. 595-8Article in journal (Refereed)
  • 4.
    Biasca, Nicola
    et al.
    Spital Oberengadin, Orthopaedic Surgery and Trauma Surgery.
    Lorentzon, Ronny
    Umeå University, Department of Musculoskeletal Research.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Montag, Wolf-Dieter
    Injury report system2000In: Safety in ice hockey: third volume / [ed] Alan B. Ashare, West Conshohocken, Pa: ASTM International, 2000, p. 44-62Conference paper (Refereed)
  • 5.
    Biasca, Nicola
    et al.
    Spital Oberengadin, Orthopaedic Surgery and Trauma Surgery.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    International sports injury system: ISIS2001In: Sports medicine & hockey: a summit for the NHL and beyond, AOSSM , 2001, p. 15-36Conference paper (Refereed)
  • 6.
    Biasca, Nicola
    et al.
    Spital Oberengadin, Clinic of Orthopedic Surgery, Trauma Surgery, and Sports Medicine, Department of Surgery.
    Wirth, Stephan
    Spital Oberengadin, Orthopaedic Clinic.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Head injuries and facial injuries in ice hockey: role of the protective equipment2005In: European Journal of Trauma, ISSN 1439-0590, E-ISSN 1615-3146, Vol. 31, no 4, p. 369-75Article in journal (Refereed)
    Abstract [en]

    Background and Purpose: Despite a decreasing tendency of head and facial injuries in ice hockey the number of these injuries still seems to be too high. The purpose of this prospective investigation was to study the mechanism of facial and eye injuries as well as the role of protective equipment and revised rules. Methods: A prospective epidemiologic analysis of ice hockey-related injuries in the two highest-ranking Swiss Ice Hockey Leagues-League A (NLA) and B (NLB)-was performed by the Swiss Medical Committee during the two seasons 1996 and 1997. Results: A total of 392 injuries occurred during games or practice. Head injuries and facial injuries made up 26% of these injuries. Most of these injuries were classified as minor injuries. All eye injuries occurred in players either not wearing visors at all or wearing the visor incorrectly. Most injuries were caused by the illegal use of sticks. Conclusion: Most head injuries and facial injuries could be prevented by wearing helmet and visor correctly and by playing the game according to the rules

  • 7.
    Biasca, Nicola
    et al.
    Spital Oberengadin, Orthopaedic Surgery and Trauma Surgery.
    Wirth, Stephan
    Spital Oberengadin, Orthopaedic Clinic.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    The avoidability of head and neck injuries in ice hockey: an historical review2002In: British Journal of Sports Medicine, ISSN 0306-3674, E-ISSN 1473-0480, Vol. 36, no 6, p. 410-27Article in journal (Refereed)
    Abstract [en]

    The number of minor traumatic brain injury (mTBI), cerebral concussions, is increasing and cannot be eliminated by any kind of equipment. Prevention strategies, such as the introduction of "checking from behind" rules have become effective in decreasing the number of severe spinal injuries. A new "head checking" rule should reduce mTBI in the same way in the following years. Mouthguards should be mandatory as an effective device for the prevention of dental and orofacial injuries, as well as reducing the incidence and severity of mTBI. A new internet database system, the International Sports Injury System (ISIS) should improve epidemiological analysis of head, face, and spinal injuries worldwide.ISIS should provide an internationally compatible system for continuous monitoring of risk factors, protective effects of equipment, and protective effects of equipment and effects of changes in rules through the years.

  • 8.
    Briggs, Karen K.
    et al.
    Steadman Hawkins research foundation, Basic science research, Vail.
    Lysholm, Jack
    Läkarhuset Hermelinen Luleå, Sjukgymnastiken.
    Tegner, Yelverton
    Rodkey, William G
    Steadman Hawkins research foundation, Basic science research, Vail.
    Kocher, Mininder S.
    Harvard University, School of Medicine, Childrens Hospital, Boston.
    Steadman, J. Richard
    Steadman Hawkins research foundation, Basic science research, Vail.
    The reliability, validity, and responsiveness of the Lysholm score and Tegner activity scale for anterior cruciate ligament injuries of the knee2009In: American Journal of Sports Medicine, ISSN 0363-5465, E-ISSN 1552-3365, Vol. 37, no 5, p. 890-897Article in journal (Refereed)
    Abstract [en]

    Background: In 1982, the Lysholm score was first published as a physician-administered score in the American Journal of Sports Medicine. The Tegner activity scale was published in 1985. Hypothesis: The Lysholm and Tegner scores are valid as patient-administered scores and responsive at early time points after treatment of anterior cruciate ligament tears.Study Design: Cohort study (Diagnosis); Level of evidence, 1.Methods: All patients were treated for an anterior cruciate ligament tear. For responsiveness, the Lysholm score (n = 1075) and Tegner activity level (n = 505) were measured preoperatively and 6, 9, 12, and 24 months postoperatively. For test-retest (n = 50), scores were measured at 2 years postoperatively and again within 4 weeks by questionnaire. For criterion validity (n = 170), patients completed the Short Form-12 and the International Knee Documentation Committee score in addition to Lysholm and Tegner instruments. For all other analyses, preoperative Lysholm score (n = 1783) or Tegner activity levels (n = 687) were collected.Results: There was acceptable test-retest reliability for both the Lysholm (intraclass correlation coefficient = 0.9) and Tegner (intraclass correlation coefficient = 0.8) scores. The minimum detectable change for Lysholm was 8.9 and for Tegner was 1. The Lysholm demonstrated acceptable internal consistency. The Lysholm correlated with the International Knee Documentation Committee (r = .8) and the Short Form-12 (r = .4), and Tegner correlated with the Short Form-12 (r = .2). Both scores had acceptable floor and ceiling effects and all hypotheses were significant. The Lysholm and Tegner were responsive to change at each of the time points.Conclusion: After 25 years of changes in treatment of anterior cruciate ligament injuries, the Lysholm knee score and the Tegner activity scale demonstrated acceptable psychometric parameters as patient-administered scores and showed acceptable responsiveness to be used in early return to function after anterior cruciate ligament treatment.

  • 9.
    Briggs, Karen K.
    et al.
    Steadman Hawkins research foundation, Basic science research, Vail.
    Lysholm, Jack
    Winternet.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Rodkey, William G.
    Steadman Hawkins research foundation, Basic science research, Vail.
    Steadman, J. Richard
    Steadman Hawkins research foundation, Basic science research, Vail.
    25 years later: the reliability, validity and responsiveness of the Lysholm score and Tegner activity scale for anterior cruciate ligament injury of tne knee2008In: Knee Surgery, Sports Traumatology, Arthroscopy, ISSN 0942-2056, E-ISSN 1433-7347, Vol. 16, no Suppl. 1, p. S34-Article in journal (Other academic)
  • 10.
    Burman, Erik
    et al.
    Department of Surgical and Perioperative Sciences, Umeå University.
    Lysholm, Jack
    Linköping University Hospital, Department of Orthopaedic Surgery, Sports and Ttrauma Research Group, Winternet, Bodens sjukhus, Ortopedkliniken, Läkarhuset Hermelinen Luleå, Sjukgymnastiken, Department of Orthopaedics, Surgical and Perioperative Sciences, Umeå University, Department of Orthopaedics, Sunderby Hospital.
    Shahim, Pashtun
    Neuroscience and Physiology, Sahlgrenska Academy at University of Gothenburg, Department of Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal.
    Malm, Christer
    Umeå University, Department of Integrative Medical Biology, Winternet, Department of Sports Medicine, Department of Community Medicine and Rehabilitation, Umeå University.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Concussed athletes are more prone to injury both before and after their index concussion: data base analysis of 699 concussed contact sports athletes2016In: BMJ Open Sport & Exercise Medicine, ISSN 2055-7647, Vol. 2, no 1, article id e000092Article in journal (Refereed)
    Abstract [en]

    Background Ice hockey and football players suffering concussions might have an increased risk for injuries afterwards. We aimed to investigate if concussions predisposed athletes for subsequent sport injuries. Methods Patient data were obtained from a data base established at the University Hospital in Umea, Sweden. Athletes who had suffered a concussion were included if they had been aged between 15 and 35 years of age, and played ice hockey, football (soccer), floorball and handball. They were studied in terms of all new or previous injuries during 24 months before and after their concussion. Results were compared with a control group of athletes from the same four sports with an ankle injury. Results Athletes with a concussion were more likely to sustain injuries compared with the control group, both before (OR 1.98. 95% CI 1.45 to 2.72) and after the concussion (OR 1.72. 95% CI 1.26 to 2.37). No increase in frequency of injury was found after a concussion compared with before. This was true for athletes in all four sports and for both sexes. Conclusions This study indicates that athletes sustaining a concussion may have a more aggressive or risk-taking style of play than their counterparts. Our data do not suggest that a concussion injury, per se, leads to subsequent injuries.

  • 11.
    Carson, JD
    et al.
    University of Toronto, Women's College Hospital Sport Centre for Advanced Research and Education.
    Tator, CH
    Toronto Western Hospital, Division of Neurosurgery.
    Provvidenza, CF
    ThinkFirst-SportSmart Sports and Recreational Injuries Research and Prevention Centre, Toronto.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    LaPrade, RF
    University of Minnesota, Department of Orthopaedic Surgery.
    Biasca, Nicola
    Spital Oberengadin, Orthopaedic Clinic.
    Mueller, FO
    University of North Carolina at Chapel Hill.
    Mölsä, Jouko
    LIKES Research Center for Sport and Health Sciences, Jyväskylä.
    Cushman, RA
    Prevention of spinal injuries in ice hockey players: an international perspective2004In: Rendez-Vous 2004: Sport medicine symposium, Vancouver, Canada, March 15-17 2004, 2004, p. 380-Conference paper (Other academic)
  • 12.
    Dietrich, Marcelo O.
    et al.
    Universidade Federal do Rio Grande do Sul, Departamento de Bioquimica, ICBS.
    Souza, DO
    Universidade Federal do Rio Grande do Sul, Departamento de Bioquimica, ICBS.
    Portela, LV
    Universidade Federal do Rio Grande do Sul, Departamento de Bioquimica, ICBS.
    Stålnacke, Britt-Marie
    Umeå University, Department of Community Medicine and Rehabilitation, Rehabilitation Medicine.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Sojka, Peter
    Department of Community Medicine and Rehabilitation, Rehabilitation Medicine, Umeå univesity.
    Serum S100B protein: what does it mean during exercise?2004In: Clinical Journal of Sports Medicine, ISSN 1050-642X, E-ISSN 1536-3724, Vol. 14, no 6, p. 368-9Article in journal (Refereed)
  • 13. Diref, A.
    et al.
    Gilenstam, Kajsa
    Umeå universitet, Kirurgisk och perioperativ vetenskap, idrottsmedicin.
    Lundgren, Lars
    Läkarhuset Hermelinen Luleå, Sjukgymnastiken.
    Tegner, Yelverton
    The relationship between internal and external hip rotation with unilateral knee, lower leg or foot pain1997In: Abstracts Sjukgymnastdagarna 1997: 25-27 september 1997, Stockholmsmässan, Stockholm: Legitimerade sjukgymnasters riksförbund , 1997Conference paper (Other academic)
  • 14.
    Eriksson, Thomas
    et al.
    Department of Occupational and Environmental Dermatology, Lund University, Skåne University Hospital, Malmö.
    Isaksson, Marléne
    Department of Occupational and Environmental Dermatology, Lund University, Skåne University Hospital, Malmö.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    The use of photos from patch-test reactions on day 7 taken by mobile phones by professional ice hockey players in Sweden investigated for the presence of occupational dermatoses2016Conference paper (Refereed)
  • 15.
    Eriksson, Thomas
    et al.
    Department of Occupational and Environmental Dermatology, Lund University, Skåne University Hospital, Malmö.
    Isaksson, Marléne
    Department of Occupational and Environmental Dermatology, Lund University, Skåne University Hospital, Malmö.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Bruze, M.
    Department of Occupational and Environmental Dermatology, Skåne University Hospital.
    The use of photos from patch-test reactions on day 7 taken by mobile phones by professional ice hockey players in Sweden investigated for the presence of occupational dermatoses2016In: Contact Dermatitis, ISSN 0105-1873, E-ISSN 1600-0536, Vol. 75, no Suppl. 1, p. 39-Article in journal (Refereed)
    Abstract [en]

    survey was undertaken in all ice hockey players in 26 professional teams in Sweden representing the two highest divisions. All players answered a questionnaire and the players from six teams, three from each of the two divisions, were patch tested with 72 test preparations in a baseline series supplemented with a series representing the work environment of the players. For practical reasons, the patch testing and test reading on day 3 took place in the arenas of the teams. As a traditional dermatologist reading on day 7 was impossible to perform in all but one team, the players and coaches were asked to use their mobile phones to take photos of the tested backs of the players on day 7 and to send them to the investigative team. In one team a dermatologist reading took place on day 7 independently of the mobile phone photos. In total, 107 players in the six teams were patch tested, and a reading on day 3 was performed in 103. Fifty contact allergic reactions were noted in 26 players. When comparing the reactions present on day 3 with the photos from day 7, seven (14%) more positive reactions were registered. The seven additional reactions were noted to seven different sensitizers: hexavalent chromium, oxidized linalool, thiomersal, mercapto mix, mercaptobenzothiazole, PFR-2 (a resol resin based on phenol and formaldehyde) and methylenedianiline. In summary, 14% more contact allergic reactions were diagnosed when using photos of the tested backs to replace the traditional dermatologist reading.

  • 16.
    Eriksson, Tomas
    et al.
    Occupational and Environmental Dermatology.
    Isaksson, Marlene
    Occupational and Environmental Dermatology.
    Engfeldt, Malin
    Occupational and Environmental Dermatology, University of Malmo-Lund.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Bruze, Magnus
    Occupational and Environmental Dermatology.
    conact allergy in ice hockey players in Sweden2010Conference paper (Other academic)
  • 17.
    Ersson, Bernt
    et al.
    Allmänläkare, Gävle.
    Aurell, Inger
    Läkarhuset Hermelinen Luleå, Sjukgymnastiken.
    Billsen, Mats
    Ortopediska kliniken Hässleolm-Kristianstad.
    Dobrescu, Tudor
    Tudorkliniken, Halmstad.
    Dobrescu, Daniela
    Landstingshälsan, Halmstad.
    Flodin, Marianne
    Värmdö Primärvård.
    Pettersson-Hanning, Jan
    Läkarhuset Hermelinen Luleå, Sjukgymnastiken.
    Henriksson, Anders
    Läkarhuset Hermelinen Luleå, Sjukgymnastiken.
    Holmberg, Göran
    Jensen, Jörn
    Sjukhuset Varberg, Röntgenkliniken.
    Ludwig, Bernd
    Landskrona Läkargrupp.
    Magnusson, Ulla
    Möller, Agneta
    Läkarhuset Hermelinen Luleå, Sjukgymnastiken.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Osteoporos: DXL-hälmätare använd med förstånd räcker långt för klinisk användning2003In: Läkartidningen, ISSN 0023-7205, E-ISSN 1652-7518, Vol. 100, no 3, p. 156-157Article in journal (Other academic)
  • 18.
    Eshuis, Rienk
    et al.
    St. Antonius Hospital, Department of Orthopedic Surgery, Nieuwegein.
    Lentjes, Gijsbertus Wilhelmus
    St. Antonius Hospital, Department of Orthopedic Surgery, Nieuwegein.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Wolterbeek, Nienke
    St. Antonius Hospital, Department of Orthopedic Surgery, Nieuwegein.
    Veen, Maurits Remmelt
    St. Antonius Hospital, Department of Orthopedic Surgery, Nieuwegein.
    Dutch Translation and Cross-cultural Adaption of the Lysholm Score and Tegner Activity Scale for Patients With Anterior Cruciate Ligament Injuries2016In: Journal of Orthopaedic and Sports Physical Therapy, ISSN 0190-6011, E-ISSN 1938-1344, Vol. 46, no 11, p. 976-983Article in journal (Refereed)
    Abstract [en]

    Study Design Clinical measurement. Background The Lysholm score and Tegner Activity Scale are frequently used patient-reported instruments to determine the functional status and activity level after anterior cruciate ligament (ACL) reconstruction. Objectives To translate and cross-culturally adapt the Lysholm score and Tegner Activity Scale for use in the Dutch population and to evaluate reliability and validity of these questionnaires in individuals after ACL reconstruction. Methods The translation and adaptation was conducted in several steps according to the guidelines in the literature. The measurement properties of the Lysholm score and Tegner Activity Scale (internal consistency, construct validity, and floor and ceiling effects) were tested in 96 patients. Reproducibility was tested in 69 patients, for patient with anterior cruciate ligament injuries. On the first occasion, the International Knee Documentation Committee (IKDC) and RAND-36 item Health Survey (RAND-36) were also administered. Results The Lysholm score and Tegner Activity Scale showed good test-retest reliability between repeated measures (respectively ICC 0.93 and 0.97). Internal consistency was reasonable to good (Cronbach's α=0.70-0.83). The Lysholm score had a very strong correlation with the IKDC (r= 0.83, p<0.01) and moderate correlation with the RAND-36 (r=0.55, p<0.01). The Tegner Activity Scale had a moderate correlation with both IKDC and the RAND-36 (r= 0.42 p<0.01 respectively r= 0.48 p<0.01). Conclusion This study demonstrated acceptable psychometric performances for the Lysholm score and the Tegner scale as outcome measures for Dutch patients after ACL reconstruction. J Orthop Sports Phys Ther, Epub 28 Sep 2016. doi:10.2519/jospt.2016.6566.

  • 19.
    Fredriksson, A-S
    et al.
    Bodens sjukhus, Ortopedkliniken.
    Tegner, Yelverton
    Långtidsresultat efter Putti Platt operation pga recidiverande axelledsluxation1987In: Program & sammanfattningar. 44: Stockholm 2-4 dec. 1987, Stockholm: Svenska läkaresällskapet , 1987, p. 250-Conference paper (Other academic)
  • 20.
    Fredriksson, A-S
    et al.
    Boden Central Hospital, Department of Orthopaedics.
    Tegner, Yelverton
    Results of the Putti-Platt operation for recurrent anterior dislocation of the shoulder1991In: International Orthopaedics, ISSN 0341-2695, E-ISSN 1432-5195, Vol. 15, no 3, p. 185-8Article in journal (Refereed)
    Abstract [en]

    Between 1973 and 1981, 101 patients had a Putti-Platt repair for recurrent dislocation of the shoulder; 89 of them were followed up and 43 underwent a clinical examination, 23 being assessed with the Cybex dynamometer. The 46 who did not attend were interviewed by telephone. The mean follow up time was 8 +/- 2 years (range 5-14 years). Redislocation occurred in 18 patients (20%), but this was twice as high in patients who were aged under 26 years at the time of operation compared with those who were older (29% versus 13%). The time of recurrence was between 1 and 11 years after operation. A decrease in strength and power of abduction, internal and external rotation, was found in the affected shoulder. Restriction of all measured movements, particularly external rotation, was also found in all patients. Nevertheless most had a high functional score and relatively few symptoms. We conclude that the Putti-Platt procedure has a high recurrence rate in younger patients, and we hesitate to recommend it for young active individuals.

  • 21.
    Fredriksson, A-S
    et al.
    Bodens sjukhus, Ortopedkliniken.
    Tegner, Yelverton
    Wallström, Lars-Erik
    Sundkvist, B.
    Långtidsresultat efter Putti Platt operation pga recidiverande axelledslucation1987In: IMN journalen, no 2, p. 20-Article in journal (Other academic)
  • 22.
    Gauffin, Håkan
    et al.
    Linköping University Hospital. Department of Orthopaedic Surgery.
    Pettersson, Gunnar
    Linköping University Hospital. Department of Orthopaedic Surgery.
    Tegner, Yelverton
    Tropp, Hans
    Linköping University Hospital. Department of Orthopaedic Surgery.
    Function testing in patients with old rupture of the anterior cruciate ligament1990In: International Journal of Sports Medicine, ISSN 0172-4622, E-ISSN 1439-3964, Vol. 11, no 1, p. 73-77Article in journal (Refereed)
    Abstract [en]

    Fifteen patients with isolated old rupture of the anterior cruciate ligament (ACL) were examined to judge their functional disability. The following basic factors were used for evaluation: thigh muscle strength testing, stabilometry in a one-leg stance with straight and flexed knee, gait analysis, performance tests, knee function score, activity grading scale, and clinical joint laxity tests. We found that these rehabilitated patients mainly had impaired performance in those tests which greatly stressed the knee joint's sagittal stability. One-leg hop length was impaired for the injured limb. This group of patients had bilateral impairment of postural control compared with a reference group. This dysfunction was not revealed when comparing limbs. A derotation brace (ECKO) had neither a positive nor a negative effect in the tests. Different aspects of knee function evaluation are emphasized. Some of the altered functions are suggested to be due to central adjustments of motor control.

  • 23.
    Hammar, Carsten
    et al.
    Bodens sjukhus, Ortopedkliniken.
    Tegner, Yelverton
    Sakroiliit som komplikation till isoretinoidterapi: Sacroiliitis as a complication of isoretinoid therapy1990In: Läkartidningen, ISSN 0023-7205, E-ISSN 1652-7518, Vol. 87, no 32-33, p. 2513-Article in journal (Other academic)
  • 24. Holmner, F.
    et al.
    Tegner, Yelverton
    Axelskador hos svenska ishockeyspelare1991In: Program & sammanfattningar. 48: Älvsjö, Stockholm 27-29 november 1991, Stockholm: Svenska läkaresällskapet , 1991Conference paper (Other academic)
  • 25.
    Jacobson, Inger
    et al.
    Luleå University of Technology, Department of Health Sciences, Health and Rehab.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Hur ser en damfotbollspelare ut?1999In: Svensk idrottsmedicinsk förenings vårmöte: Ystad 1999, Svensk idrottsmedicinsk förening , 1999Conference paper (Other academic)
  • 26.
    Jacobson, Inger
    et al.
    Luleå University of Technology, Department of Health Sciences, Health and Rehab.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Injuries among female football players - With special emphasis on region differences2007In: Svensk idrottsmedicinsk förenings vårmöte: Uppsala 2007, 2007, p. 43-Conference paper (Other academic)
  • 27.
    Jacobson, Inger
    et al.
    Luleå University of Technology, Department of Health Sciences, Health and Rehab.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Injuries among female football players: with special emphasis on regional differences2007In: Abstraktbok Sjukgymnastdagarna 10-12 oktober 2007, Stockholm: LSR , 2007, p. 11-12Conference paper (Other academic)
  • 28.
    Jacobson, Inger
    et al.
    Luleå University of Technology, Department of Health Sciences, Health and Rehab.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Injuries among female football players: with special emphasis on regional differences2006In: Advances in Physiotherapy, ISSN 1403-8196, E-ISSN 1651-1948, Vol. 8, no 2, p. 66-74Article in journal (Refereed)
    Abstract [en]

    In this 1-year prospective study, the aim was to investigate if there are any differences concerning injuries and injury incidence during an entire football season between Swedish female football players from different geographical regions. A total of 130 out of 253 players (51%) sustained 229 injuries. The overall injury incidence was 9.6/1000 h of football. The incidence of injury during practice was 8.4/1000 h and during game was 13.3/1000 h. Players in the north had a higher incidence of injury during game than those in the south (19.5 vs. 7.2/1000 h, respectively, p<0.001). Fifty-nine per cent of all injuries were traumatic injuries. Both traumatic and overuse injuries occurred mainly during the early preseason and at the beginning of the competitive spring season. Of all injuries, 13% were classified as slight, 39% as minor, 37% as moderate and 11% as major injuries. Players in the north had a higher injury incidence concerning moderate injuries than players in the south (p<0.01). In the present study, evidence is presented that regional factors play a role in the injury incidence. Female football players in the north and south have different injury patterns. This could be a result of different conditions for football as a sport between the regions.

  • 29.
    Jacobson, Inger
    et al.
    Luleå University of Technology, Department of Health Sciences, Health and Rehab.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Injuries among swedish female elite football players: a prospective population study2007In: Abstraktbok Sjukgymnastdagarna 10-12 oktober 2007, Stockholm: LSR , 2007, p. 12-Conference paper (Other academic)
  • 30.
    Jacobson, Inger
    et al.
    Luleå University of Technology, Department of Health Sciences, Health and Rehab.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Injuries among Swedish female elite football players: a prospective population study2007In: Svensk idrottsmedcinsk förenings vårmöte: Uppsala 2007, 2007, p. 44-Conference paper (Other academic)
  • 31.
    Jacobson, Inger
    et al.
    Luleå University of Technology, Department of Health Sciences, Health and Rehab.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Injuries among swedish female elite football players: a prospective population study2007In: Scandinavian Journal of Medicine and Science in Sports, ISSN 0905-7188, E-ISSN 1600-0838, Vol. 17, no 1, p. 84-91Article in journal (Refereed)
    Abstract [en]

    Injury occurrence in all 12 female elite senior football teams in premiere league was registered during 1 year. Of 269 players, 129 (48%) sustained 237 injuries. The total injury incidence was 4.6/1000 h of football. The injury incidence during practice was 2.7 and during the game time was 13.9/1000 h. The highest injury incidence during practice was to the knee (0.8/1000 h) and thigh (0.5/1000 h), and during game time was to the knee (4.4/1000 h) and head (2.2/1000 h). In total, the location for the highest injury incidence was the knee with 1.5 injuries/1000 h of football. The majority of injuries (82%) were localized to the lower extremities. Sixty-six injuries (28%) were re-occurring injuries (re-injuries). The incidence of traumatic injuries was 3.3/1000 h of football and for overuse injuries 1.3/1000 h. Overuse injuries occurred mainly during the preseason and at the beginning of the spring season. Thirty-nine percent of the injuries were slight or minor causing absence from practice or game time of less than 1 week, 39% were moderate (absence 7-28 days) and 22% were major (absence more than 28 days). The major injuries occurred often owing to trauma and were mainly to the knee.

  • 32.
    Jacobson, Inger
    et al.
    Luleå University of Technology, Department of Health Sciences, Health and Rehab.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Range of motion in relation to upcoming sprain and strain injuries among female football players2007In: Abstraktbok Sjukgymnastdagarna 10-12 oktober 2007, Stockholm: LSR , 2007, p. 32-Conference paper (Other academic)
  • 33.
    Jacobson, Inger
    et al.
    Luleå University of Technology, Department of Health Sciences, Health and Rehab.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Range of motion in relation to upcoming sprain and strain injuries among female football players2007In: Svensk idrottsmedicinsk förenings vårmöte: Uppsala 2007, 2007, p. 42-Conference paper (Other academic)
  • 34.
    Jacobson, Inger
    et al.
    Luleå University of Technology, Department of Health Sciences, Health and Rehab.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Skador inom svensk damfotboll2000In: Svensk idrottsmedicinsk förenings vårmöte: Stockholm 2000, Svensk idrottsmedicinsk förening , 2000Conference paper (Other academic)
  • 35.
    Jakobsson, Bengt
    et al.
    Bodens sjukhus, Anestesikliniken.
    Tegner, Yelverton
    Postoperativ smärtlindring vid korsbandskirurgi1990In: Program & sammanfattningar. 47: Älvsjö, Stockholm 5-7 december 1990, Stockholm: Svenska läkaresällskapet , 1990Conference paper (Other academic)
  • 36.
    Jakobsson, Bengt
    et al.
    Bodens sjukhus, Anestesikliniken.
    Tegner, Yelverton
    Postoperative pain prevention with diclofenac and epidural infusion of 0,12% bubivacaine in reconstructive knee surgery: a pilot study1990In: IX Annual Congress of the European Society of Regional Anaesthesia, Bern, Switzerland, September 1990., European Society of Regional Anaesthesia , 1990Conference paper (Other academic)
  • 37.
    Jonsson, B-A
    et al.
    Department of Medical Biosciences, Medical and Clinical Genetics, Umeå University Hospital.
    Stattin, E-L
    Department of Medical Biosciences, Medical and Clinical Genetics, Umeå University Hospital.
    Wiklund, F.
    Medical Epidemiology and Biostatistics, Karolinska Institute.
    Lindblom, K.
    Department of Experimental Medical Sciences, Lund University.
    Önnverfjord, P.
    Department of Experimental Medical Sciences, Lund University.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Sasaki, T.
    Department of Experimental Medicin I, University of Erlangen-Nuernberg.
    Struglics, A.
    Department of Clinical Sciences, Lund University.
    Lohmander, S.
    Department of Clinical Sciences, Lund University.
    Dahl, N.
    Department of Genetics and Pathology, The Rudbeck Laboratory, Uppsala University.
    Heinegård, D.
    Department of Experimental Medical Sciences, Lund University.
    Aspberg, A.
    Department of Biology, University of Copenhagen.
    A missense mutation in the aggrecan C-type lectin domain disrupts extracellular matrix interactions and causes dominant familial osteochondritis dissecans with short stature and early osteoarthritis2009Conference paper (Other academic)
  • 38.
    Jonsson, Håkan
    et al.
    Umeå University Hospital, Department of Orthopaedics.
    Elmkvist, Lars-Gunnar
    Umeå University Hospital, Department of Orthopaedics.
    Kärrholm, Johan
    Umeå University Hospital, Department of Orthopaedics.
    Tegner, Yelverton
    Over the top eller anatomisk graft placering vid främre korsbandsrekonstruktion1993In: Program & sammanfattningar. [50]: Stockholmsmässan, Älvsjö, 1-3 december 1993, Stockholm: Svenska läkaresällskapet , 1993Conference paper (Other academic)
  • 39.
    Jonsson, Håkan
    et al.
    Umeå University Hospital, Department of Orthopaedics.
    Elmqvist, Lars-Gunnar
    Umeå University Hospital, Department of Orthopaedics.
    Kärrholm, Johan
    Umeå University Hospital, Department of Orthopaedics.
    Tegner, Yelverton
    Over-the-top or tunnel reconstruction of the anterior cruciate ligament?: a prospective randomised study of 54 patients1994In: Journal of Bone and Joint Surgery, ISSN 0301-620X, E-ISSN 2044-5377, Vol. 76, no 1, p. 82-7Article in journal (Refereed)
    Abstract [en]

    We report a review of 54 patients with chronic anterior cruciate ligament rupture treated by patellar-quadriceps tendon graft augmented with polypropylene braid (Kennedy-LAD). The femoral placement of the graft was randomised to either a modified over-the-top (OTT) or a tunnel position obtained by an isometric drill guide (ISO). At the two-year follow-up both procedures had resulted in improvement of subjective knee function and activity level. Stereoradiographic measurements showed reduction of anteroposterior laxity to near normal in about one-third of the patients, but muscle strength and objective functional performance showed little or no changes. The OTT group had better subjective knee function. We were unable to confirm the theoretical advantages of the use of the drill guide, partly because it provided a tibial tunnel which was too anterior.

  • 40.
    Kato, Rei
    et al.
    Lund Institutes of Pathology and Genetics.
    Bruze, Magnus
    Lunds universitet.
    Tegner, Yelverton
    Chromosome breakage induced in vivo by a carcinogenic hydrocarbon in bone marrow cells of the Chinese hamster1969In: Hereditas, ISSN 0018-0661, E-ISSN 1601-5223, Vol. 61, no 1, p. 1-8Article in journal (Refereed)
  • 41.
    Kruse, Johan
    et al.
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Lehto, Niklas
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Riklund, Katrine
    Department of Radiation Sciences, Diagnostic Radiology, Umeå University.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Engström, Åsa
    Luleå University of Technology, Department of Health Sciences, Nursing Care.
    Scrutinized with inadequate control and support Interns' experiences communicating with and writing referrals to hospital radiology departments: a qualitative study2016In: Radiography, ISSN 1078-8174, E-ISSN 1532-2831, Vol. 22, no 4, p. 313-318Article in journal (Refereed)
    Abstract [en]

    IntroductionInterns' experiences communicating with and writing referrals to hospital radiology departments are important for patient safety, image quality, and decision-making in the diagnostic process. Understanding roles within the department and in the diagnostic process is important for communication. This study aimed to describe interns' experiences communicating with and writing referrals to their hospital's radiology department.MethodA qualitative study design was used. Data was collected from focus discussions with ten interns in three focus groups in Northern Sweden during 2012. The data were subjected to qualitative content analysis.ResultsOne theme, “a feeling of being scrutinized and lacking control”, was identified in the final categories. The interns experienced that the radiology department placed high demands on them and desired more diagnostic skills training, resources and feedback. The interns suggested the following improvements: enhanced dialogue and feedback, improved education, handy guidelines, and practice writing referrals.ConclusionInterns need more feedback from, and dialogue with, members of the Department of Radiology. They also need more knowledge of referral guidelines, appropriateness criteria and more practice to develop their knowledge and skill for writing referrals. They describe feelings of inadequate support and feel scrutinized in demanding work conditions and need more collaboration. They also need more time and more control of radiology outcomes, and they are eager to learn.

  • 42.
    Leijon-Sundqvist, Katarina
    et al.
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Lehto, Niklas
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Juntti, Ulla
    Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics. Performance in Cold AB, Luleå.
    Karp, Kjell
    Heart Centre, Clinical Physiology, Department of Surgical and Perioperative Sciences, Umeå University.
    Andersson, Staffan
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Thermal response after cold-water provocation of hands in healthy young men2015In: Thermology International, ISSN 1560-604X, Vol. 25, no 2, p. 48-53Article in journal (Refereed)
    Abstract [en]

    The thermal response in hands provoked by cold water was investigated with infrared thermography. In 26 healthy young men, the response of hand skin temperature to cold water provocation was measured twice on consecutive days. An infrared thermographic camera was used and data were processed in real time. The software divides each hand into 18 predefined regions of interest (ROI). The average temperature in each ROI was stored every 10th second. Baseline hand skin temperature was recorded for two minutes. The bare hands were then immersed for 30 seconds in water at 10°C × 0.5°C and carefully dried. Thereafter, the cooled and final hand skin temperature was measured. The baseline showed a higher average temperature of 0.3°C on day 2 and the 95% limits of agreement (LOA) were - 5.2-5.8, the cooled average temperatures showed no significant difference between the two days (LOA: - 4.8-4.6) and the average final hand skin temperature was 0.8°C higher on day 2 (LOA: - 5.2-6.4). In conclusion, there was variability between the two measurements, small differences in the temperature response to the reaction to cold-water provocation - probably due to Day 1 stress factor.

  • 43.
    Leijon-Sundqvist, Katarina
    et al.
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Lehto, Niklas
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Juntti, Ulla
    Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
    Karp, Kjell
    Umeå university.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Cold-water provocation of hands: An evaluation of different provocations2015In: Thermology International, ISSN 1560-604X, Vol. 25, no 3, p. 122-123Article in journal (Refereed)
  • 44.
    Leijon-Sundqvist, Katarina
    et al.
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Lehto, Niklas
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Juntti, Ulla
    Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
    Linné, Anders
    Karp, Kjell
    Andersson, Staffan
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Thermal response after cold-water provocation of hands of healthy young men: A test-retest investigation2014Conference paper (Other academic)
  • 45.
    Leijon-Sundqvist, Katarina
    et al.
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Juntti, Ulla
    Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics. Performance in Cold AB, Luleå.
    Karp, Kjell
    Division of Clinical Physiology, Department of Surgical and Perioperative Sciences, Umeå University.
    Lehto, Niklas
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Hand skin temperature: are there warm and cold rewarming patterns after cold stress test?2016In: Thermology International, ISSN 1560-604X, Vol. 26, no 3, p. 81-87Article in journal (Refereed)
    Abstract [en]

    In 116 thermographic measurements of 66 healthy male participants, 44 of whom were measured at least twice, hand skin temperature distributions before and after a cold stress test (CST) were examined to identify any typical characteristics of hand skin rewarming. On each hand, measurements from 18 regions of interest recorded every 10 s were used to calculate the surface average temperature. Temperatures at baseline (Tb), directly after cooling (Tc), and after 15 min of rewarming (Tf) were used for comparison and the averages of each finger, palm, and hand were analyzed. Using fits of normal distribution for the measured data, final hand skin temperatures were divided into two groups, A and B, with a calculated boundary at 25.4 °C. Digital analyses of all thermograms were performed to describe the process, and each group's rewarming patterns were observed. Group A was considered to demonstrate warm rewarming, since the whole hands reached a Tf approximately equal to the Tb. By contrast, Group B demonstrated cold rewarming and had whole hand Tf less than Tb. The predictive value of Tc was lower than that of Tb in Group A, whereas the opposite occurred in Group B. Altogether, the findings suggest different hand skin temperature rewarming patterns in healthy males.

  • 46.
    Leijon-Sundqvist, Katarina
    et al.
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Olsson, F.
    ABB, Norrköping.
    Karp, Kjell
    Heart Centre, Clinical Physiology, Department of Surgical and Perioperative Sciences, Umeå University.
    Lehto, Niklas
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Relation between dorsal and palmar hand skin temperatures during a cold stress test2017In: Journal of Thermal Biology, ISSN 0306-4565, E-ISSN 1879-0992, Vol. 66, p. 87-92Article in journal (Refereed)
    Abstract [en]

    Hand skin temperature measurements have previously been performed on either dorsal or palmar sides and it is possible to find arguments for the advantage of both locations. Therefore, the aim of this study was to use dynamic infrared (IR) imaging to examine the relationship between dorsal and palmar hand skin temperature. The palmar and dorsal hand skin temperature before and after a cold stress test was measured with IR thermography in 112 healthy participants. Calculation of surface average temperature was made from nine regions of interest on each hand's dorsal and palmar side. Temperature values were recorded at baseline, directly after immersion of hands in vinyl gloves for one minute in water at 20 °C ± 0.5 °C (gloves removed), and after eight minutes rewarming. Results showed that: a) the skin temperatures on the dorsal and palmar sides of the hand are strongly correlated; b) the correlation is stronger on the fingers than on the carpometacarpal (CMC) area; c) the palmar side of the CMC area is warmer than the dorsal side, but this is reversed in the fingers so that the nail bed is warmer than the finger pad; and d) the temperature difference ∆T∆T between the dorsal and palmar sides of the fingers is independent of the skin temperature, though ∆T∆T on the CMC area of the hand is temperature dependent. Such differences can be important in detailed investigations of thermal phenomena in the hand. In conclusion, results showed a strong correlation between the dorsal and palmar temperatures. If both sides cannot be measured, the purpose of the investigation should determine which side of the hand should be measured.

  • 47. Lexell, Jan
    et al.
    Romner, Bertil
    Universitetssjukhuset i Lund, Neurokirurgiska kliniken.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Idrott och skallskador: riktlinjer för omhändertagande och återgång till träning och tävling2000In: Läkartidningen, ISSN 0023-7205, E-ISSN 1652-7518, Vol. 97, no 43, p. 4848-53Article in journal (Other academic)
    Abstract [en]

    Head injuries in sports have received increased attention during the past decade. As explained in this article, the most recent guidelines for the management of head injuries in sports adopted by the American Academy of Neurology (AAN) have been adapted for the Swedish sports society. The guidelines include a grading scale of head injuries in sports, a sideline evaluation to aid physicians, coaches and athletes in the acute situation, and a management strategy for safe return to play after a head injury. The use of these guidelines will facilitate appropriate acute and subacute management and thereby prevent repeated head injuries that could lead to potentially catastrophic outcome or long-term cognitive sequelae

  • 48.
    Lexell, Jan
    et al.
    Luleå University of Technology, Department of Health Sciences.
    Romner, Bertil
    Universitetssjukhuset i Lund, Neurokirurgiska kliniken.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Skallskador hos idrottare: nya svenska rekommendationer2001In: Svensk idrottsmedicin, ISSN 1103-7652, Vol. 20, no 3, p. 4-11Article in journal (Other academic)
  • 49.
    Lundgren, Lars
    et al.
    Step in, Sjukgymnastiken.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    10 års uppföljning av patienter med främre korsbandsskada2003In: Norrbottens läns landsting, FoU-dag, Norrbottens läns landsting , 2003Conference paper (Other academic)
  • 50.
    Lundgren, Lars
    et al.
    Step in, Sjukgymnastiken.
    Tegner, Yelverton
    Luleå University of Technology, Department of Health Sciences, Medical Science.
    Knäfunktion 10 år efter främre korsbandsskada behanlad med sjukgymnastik2005In: Abstractbok för Sjukgymnastdagarna 2005, Stockholm: Sveriges legitimerade sjukgymnaster , 2005, p. 8-Conference paper (Other academic)
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