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SPORTS INJURIES AND REHABILITATION
Aerts I. 1, Cumps E. 2, Verhagen E. 1, 3, Verschueren J. 1, Meeusen R. 1
1 Department of Human Physiology and Sports Medicine Faculty of Physical Education and Physical Therapy Vrije Brussels University, Brussels, Belgium;
2 Department of the Master of Physical therapy in Sports SOMT Stichting Opleidingen Musculoskeletale Therapie Amersfoort, the Netherlands;
3 Department of Public and Occupational Health, EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, the Netherlands
Aim: Injuries of the lower extremity tend to be associated with jump-landing movements. This review provides an overview of the kinematic variables and malalignments during jump-landing, which could be attributed to overuse or acute injury occurrence.
Methods: We searched ISI Web of Knowledge, SPORTDiscus, PubMed, EMBASE and SCOPUS for all studies, published before October 2012, which looked at the relation between kinematic risk factors and malalignments of jump-landing and injuries. An article was included 1) if the article was an observational, retrospective or prospective study; 2) if the article investigated the relationship between injuries and the visible and easily measurable kinematic variables or malalignments of the jump-landing technique; 3) if the article met a predefined quality cut-off score.
Results: Ten studies met all inclusion criteria. Literature shows that several kinematic factors are related to lower acute and overuse injuries.
Conclusion: A stiffer jump-landing technique is a risk factor in the development of overuse injuries and acute injuries. This is caused by less active motion in the lower extremity joints and by the increased valgus position of the knee during the jump-landing maneuver which creates an unfavorable alignment of the lower extremity. A valgus position of the knee during landing was also a predictor of acute lower extremity injuries. Future intervention programs should focus on the jump-landing technique and the performance of the athlete.