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Systematic ankle stabilization and the effect on performance.

J R Robinson, E C Frederick, L B Cooper

    Medicine and Science in Sports and Exercise
    |December 1, 1986
    PubMed
    Summary
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    Ankle joint stabilization affects performance. Increased restriction in ankle and subtalar joints reduced range of motion and slowed obstacle course times, indicating a balance is crucial for optimal athletic performance.

    Area of Science:

    • Biomechanics
    • Sports Medicine
    • Orthopedics

    Background:

    • Ankle joint stabilization is vital for injury prevention.
    • However, both insufficient and excessive stabilization can negatively impact function.
    • Understanding the optimal level of ankle control is crucial for athletic performance.

    Purpose of the Study:

    • To investigate the effects of varying ankle and subtalar joint stabilization on athletic performance.
    • To quantify changes in range of motion and obstacle course completion times under different stabilization conditions.

    Main Methods:

    • Six subjects completed an obstacle course under four shoe conditions with varying ankle stabilization.
    • Ankle range of motion (sagittal and frontal planes) was measured using a modified Inman apparatus.

    Related Experiment Videos

  • Performance was assessed by obstacle course completion time.

    • Main Results:

    • Significant differences in ankle eversion, flexion, and inversion were observed across shoe conditions.
    • Increased stabilization led to a general decrease in ankle range of motion.
    • Performance, measured by obstacle course time, significantly worsened with increased stabilization.

    Conclusions:

    • Systematic alterations in ankle and subtalar joint stabilization measurably impact performance.
    • There is an optimal range of motion for ankle and subtalar joints for athletic tasks.
    • Excessive ankle restriction negatively affects performance, highlighting the need for balanced stabilization.