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Coach education improves adherence to anterior cruciate ligament injury prevention programs: a cluster-randomized controlled trial |
Ling DI, Boyle C, Schneider B, Janosky J, Kinderknecht J, Marx RG |
Clinical Journal of Sport Medicine 2022 Jul;32(4):348-354 |
clinical trial |
5/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: Yes; Baseline comparability: No; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: No; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed* |
OBJECTIVE: To determine the effect of an educational workshop on adherence to neuromuscular training (NMT) among high-school coaches. DESIGN: Cluster-randomized controlled trial. SETTING: High school. PARTICIPANTS: A total of 21 teams in 8 high schools (unit of randomization) were randomized to the intervention or control group. Twelve boys' and 9 girls' teams in a variety of sports were enrolled. INTERVENTION: Coaches in the intervention group participated in a 60-minute education workshop to teach effective implementation of a NMT program and also received print materials. Coaches in the control group received the same print materials. MAIN OUTCOME MEASURES: Eight data collectors were trained to observe each team's practice/game 2 to 3 times a week. They completed a study questionnaire to identify the NMT exercise and whether the coach (1) delivered exercise instructions and (2) provided alignment cues (both yes/no). RESULTS: A total of 399 practices/games were observed over 2 seasons. A greater proportion of coaches in the intervention group provided alignment cues to correct improper technique compared with the control group {difference 0.04 (95% confidence interval (CI) 0.01 to 0.07), p = 0.006}. There was a similar proportion of coaches in the intervention and control groups who provided exercise instructions (difference 0.01 (95% CI -0.02 to 0.04), p = 0.44). More coaches in the intervention group completed a full NMT program (OR 4.62 (1.22 to 17.50), p = 0.02). CONCLUSIONS: Coach education can improve adherence to a NMT program and delivery of alignment cues. Coaches should receive in-person training on NMT and how to deliver alignment cues to their athletes while performing the exercises.
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