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Related Experiment Videos

Kinesthesia Is Not Affected by Functional Ankle Instability Status.

Tricia J Hubbard1, Thomas W Kaminski

  • 1The Pennsylvania State University, University Park, PA.

Journal of Athletic Training
|August 26, 2003
PubMed
Summary
This summary is machine-generated.

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Ankle instability did not affect kinesthetic sense, but prophylactic ankle bracing impaired motion detection. Further research is needed on bracing and taping effects on ankle joint kinesthesia.

Area of Science:

  • Sports Medicine
  • Biomechanics
  • Rehabilitation Science

Background:

  • Functional ankle instability (FAI) is common in athletes, potentially affecting proprioception.
  • Kinesthesia, the sense of joint position and motion, is crucial for ankle stability.
  • The impact of prophylactic bracing on kinesthesia in FAI requires further investigation.

Purpose of the Study:

  • To compare kinesthetic deficits in injured versus healthy ankles of individuals with FAI.
  • To evaluate the effect of prophylactic ankle bracing on kinesthesia in both uninjured and functionally unstable ankles.

Main Methods:

  • A within-subjects design tested 16 participants with unilateral FAI over 4 days.
  • Kinesthetic threshold-to-detection of passive motion (TTDPM) was measured under four conditions: unbraced, Ankle Lok, Aircast Air-Stirrup, and tape.

Related Experiment Videos

  • Passive inversion and eversion movements at 0.5 degrees/second were used for TTDPM assessment.

    • Main Results:

    • No significant difference in TTDPM was found between the injured and healthy ankles across all conditions.
    • Ankle bracing (Ankle Lok, Air-Stirrup) significantly worsened TTDPM scores compared to the unbraced condition.
    • Taping did not show significant differences compared to the unbraced condition.

    Conclusions:

    • FAI does not appear to significantly alter kinesthetic perception compared to the healthy limb.
    • Prophylactic ankle bracing, specifically the Ankle Lok and Air-Stirrup, may impair kinesthetic sense.
    • More research is necessary to elucidate the precise effects of various bracing and taping methods on ankle joint kinesthesia.