Effects of exercise-based ACL injury prevention interventions on knee motion in athletes: a systematic review and bayesian network meta-analysis

Review written by Robin Kerr info

Key Points

  1. Increased peak knee flexion and avoidance of knee valgus are included in exercise-based ACL injury prevention programs.
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BACKGROUND & OBJECTIVE

Exercise based injury prevention programs (IPPs) have been used for decades to mitigate the risk of non-contact anterior cruciate ligament (ACL) injuries. Programs were developed to reduce biomechanical risk factors via increasing knee flexion with jump landings and avoidance of knee valgus motions. These IPPs usually involve neuromuscular control drills: plyometrics, agility, feedback and core stability (1,2).

Traditional meta-analysis (MA) has had shortcomings comparing more than two types of exercise therapy for the prevention of knee injuries, giving inconclusive results. This Bayesian Network Meta-Analysis (NMA) was employed to identify and evaluate the most effective motor control interventions for developing peak knee flexion and valgus avoidance in single leg, double leg vertical jumps and cutting movements.

Exercise based injury prevention programs have been used for decades to mitigate the risk of non-contact anterior cruciate ligament injuries.
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Core stability training appears to have the greatest effect in reducing knee valgus via hip adduction regulation.

METHODS

  • Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines were followed.
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