Comparison of Electromyography and Functional Movement Screening as Indicators of Return to Full Activity: A Case Study
Arts and Sciences
The purpose of this study was to determine the efficacy of combined FMS and EMG measurements as indicators of return to full-activity post-arthroscopic knee surgery. The question was: Are there any advantages to using both FMS and EMG as indicators of return to full activity?
Prescreening of a physically active female prior to arthroscopic knee surgery included FMS and EMG assessments as well as 30 cm box jumps and LESS jumps. Post-surgery assessments occurred weekly with final assessment collected week nine post-surgery.
Nine-week FMS data analysis indicated that full recovery from surgery had been realized. Pre-surgery FMS and nine-week post-surgery FMS scores were both 16. Nine-week EMG data analysis did not indicate that full recovery had occurred. Rectus Femoris activation post-surgery for FMS squat indicated 33% less strength than pre-surgery and 46% more power pre-surgery than nine-weeks post.
EMG and FMS scores combined may be a better indicator of full recovery post knee arthroscopy than either alone. Nine-week FMS score indicated that full recovery from surgery had occurred, nine-week EMG data revealed otherwise. The EMG scores may be better predictors of risk of injury if subject pursues rigorous dynamic activity too soon.
Alessio, James A. and Helm, Kelly, "Comparison of Electromyography and Functional Movement Screening as Indicators of Return to Full Activity: A Case Study" (2015). Symposium on Undergraduate Research and Creative Expression (SOURCE). 412.
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