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Corrective Exercises Improve Movement Efficiency and Sensorimotor Function but Not Fatigue Sensitivity in Chronic
Sajad Bagherian1, Nader Rahnama1, Erik A Wikstrom2
1Department of Sports Injuries and Corrective Exercises, University of Isfahan, Isfahan, Iran.
Summary
Corrective exercises improved movement, sensorimotor, and self-reported function in athletes with chronic ankle instability (CAI). However, the exercises showed limited effectiveness in reducing fatigue effects.
Area of Science:
- Sports Science
- Rehabilitation Medicine
- Biomechanics
Background:
- Chronic ankle instability (CAI) is prevalent in collegiate athletes, impacting functional movement and sensorimotor control.
- CAI can lead to persistent deficits in balance, strength, and self-reported function, affecting athletic performance and quality of life.
Purpose of the Study:
- To evaluate the efficacy of a supervised corrective exercise program on functional movement, sensorimotor function, self-reported function, and fatigue sensitivity in collegiate athletes diagnosed with CAI.
- To compare the outcomes of corrective exercises against a control group in both non-fatigued and fatigued states.
Main Methods:
- A randomized controlled trial involving 40 male collegiate athletes with CAI, assigned to either an experimental (corrective exercises) or control group.
- The experimental group underwent 8 weeks of supervised corrective exercises (3x/week), with fatigue induced via treadmill protocol before and after the intervention period.
- Outcome measures included movement efficiency (squat tasks), postural control (static/dynamic), ankle strength, joint position sense, and Foot and Ankle Ability Measure (FAAM) scores.
Main Results:
- In a non-fatigued state, the experimental group demonstrated significant improvements in movement efficiency, sensorimotor function, and self-reported function compared to the control group (P < 0.001).
- Under fatigued conditions, the corrective exercise intervention primarily enhanced static postural control (P = 0.016) relative to the control group.
- No significant improvements were observed in dynamic postural control or ankle strength in the fatigued state for the experimental group.
Conclusions:
- Eight weeks of corrective exercises effectively improved key functional parameters in collegiate athletes with CAI when not fatigued.
- The intervention showed limited capacity to mitigate the negative effects of fatigue on sensorimotor and movement functions.
- Further research is warranted to develop exercise protocols that enhance resilience to fatigue in athletes with CAI.
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