Six Weeks of Strength and Proprioception Training Does Not Affect Muscle Fatigue and Static Balance in Functional Ankle Instability
in Journal of Sport RehabilitationClick name to view affiliation
Context:
The combined effects of strength and proprioception training, especially in individuals with ankle instability, have not been studied extensively.
Objective:
To examine the influence of 6 weeks of strength and proprioception training on measures of muscle fatigue and static balance in those with unilateral functional ankle instability (FAI).
Design:
Pretest–posttest, randomized groups.
Setting:
A climate-controlled sports-medicine research laboratory.
Subjects:
38 subjects with self-reported unilateral FAI.
Measurements:
Muscle fatigue was determined using the median power frequency (fmed) from an electromyographic signal, and static balance was assessed using center-of-pressure values obtained from a triaxial force plate.
Results:
There were no significant effects of the strength or proprioception training on our measures of muscle fatigue and static balance.
Conclusions:
Strength training, proprioception training, and the combination of the 2 failed to improve postural-stability characteristics in a group of subjects with FAI.
Powers is with the Division of Athletic Training, Shenandoah University, Winchester, VA 22601. Buckley, Kaminski, Hubbard, and Ortiz University of Delaware. Buckley is with the College of Health, University of North Florida, Jacksonville, FL 32224. Kaminski is with the Sports Medicine and Athletic Training Dept, Southwest Missouri State University, Springfield, MO 65804. Hubbard is with the Dept of Kinesiology, The Pennsylvania State University, University Park, PA 16802. Ortiz is with Gainesville Health and Fitness Center, Newberry Rd, Gainesville, FL 32652.
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