Change of Direction Biomechanics in a 180-Degree Pivot Turn and the Risk for Noncontact Knee Injuries in Youth Basketball and Floorball Players

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dc.contributor.author Leppänen, Mari
dc.contributor.author Parkkari, Jari
dc.contributor.author Vasankari, Tommi
dc.contributor.author Äyrämo, Sami
dc.contributor.author Kulmala, Juha-Pekka
dc.contributor.author Krosshaug, Tron
dc.contributor.author Kannus, Pekka
dc.contributor.author Pasanen, Kati
dc.date.accessioned 2021-09-27T10:08:01Z
dc.date.available 2021-09-27T10:08:01Z
dc.date.issued 2021-08
dc.identifier.citation Leppänen , M , Parkkari , J , Vasankari , T , Äyrämo , S , Kulmala , J-P , Krosshaug , T , Kannus , P & Pasanen , K 2021 , ' Change of Direction Biomechanics in a 180-Degree Pivot Turn and the Risk for Noncontact Knee Injuries in Youth Basketball and Floorball Players ' , American Journal of Sports Medicine , vol. 49 , no. 10 , pp. 2651-2658 . https://doi.org/10.1177/03635465211026944
dc.identifier.other PURE: 168788146
dc.identifier.other PURE UUID: 68daf87a-d985-467c-aa31-fef9692ff376
dc.identifier.other WOS: 000681441500001
dc.identifier.other ORCID: /0000-0003-1881-4689/work/100637803
dc.identifier.uri http://hdl.handle.net/10138/334629
dc.description.abstract Background: Studies investigating biomechanical risk factors for knee injuries in sport-specific tasks are needed. Purpose: To investigate the association between change of direction (COD) biomechanics in a 180-degree pivot turn and knee injury risk among youth team sport players. Study Design: Cohort study; Level of evidence, 2. Methods: A total of 258 female and male basketball and floorball players (age range, 12-21 years) participated in the baseline COD test and follow-up. Complete data were obtained from 489 player-legs. Injuries, practice, and game exposure were registered for 12 months. The COD test consisted of a quick ball pass before and after a high-speed 180-degree pivot turn on the force plates. The following variables were analyzed: peak vertical ground-reaction force (N/kg); peak trunk lateral flexion angle (degree); peak knee flexion angle (degree); peak knee valgus angle (degree); peak knee flexion moment (N.m/kg); peak knee abduction moment (N.m/kg); and peak knee internal and external rotation moments (N.m/kg). Legs were analyzed separately and the mean of 3 trials was used in the analysis. Main outcome measure was a new acute noncontact knee injury. Results: A total of 18 new noncontact knee injuries were registered (0.3 injuries/1000 hours of exposure). Female players sustained 14 knee injuries and male players 4. A higher rate of knee injuries was observed in female players compared with male players (incidence rate ratio, 6.2; 95% CI, 2.1-21.7). Of all knee injuries, 8 were anterior cruciate ligament (ACL) injuries, all in female players. Female players displayed significantly larger peak knee valgus angles compared with male players (mean for female and male players, respectively: 13.9 degrees +/- 9.4 degrees and 2.0 degrees +/- 8.5 degrees). No significant associations between biomechanical variables and knee injury risk were found. Conclusion: Female players were at increased risk of knee and ACL injury compared with male players. Female players performed the 180-degree pivot turn with significantly larger knee valgus compared with male players. However, none of the investigated variables was associated with knee injury risk in youth basketball and floorball players. en
dc.format.extent 8
dc.language.iso eng
dc.relation.ispartof American Journal of Sports Medicine
dc.rights.uri info:eu-repo/semantics/openAccess
dc.subject knee injuries
dc.subject ACL injuries
dc.subject risk factors
dc.subject screening
dc.subject biomechanics
dc.subject team sports
dc.subject CRUCIATE LIGAMENT INJURY
dc.subject NEUROMUSCULAR CONTROL
dc.subject PROSPECTIVE COHORT
dc.subject FEMALE BASKETBALL
dc.subject TEAM HANDBALL
dc.subject DROP JUMPS
dc.subject SOCCER
dc.subject JOINT
dc.subject ASSOCIATION
dc.subject MECHANISMS
dc.subject 315 Sport and fitness sciences
dc.subject 3126 Surgery, anesthesiology, intensive care, radiology
dc.title Change of Direction Biomechanics in a 180-Degree Pivot Turn and the Risk for Noncontact Knee Injuries in Youth Basketball and Floorball Players en
dc.type Article
dc.contributor.organization HUS Children and Adolescents
dc.contributor.organization Children's Hospital
dc.description.reviewstatus Peer reviewed
dc.relation.doi https://doi.org/10.1177/03635465211026944
dc.relation.issn 0363-5465
dc.rights.accesslevel openAccess
dc.type.version publishedVersion

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