Ankle & Foot Syndesmosis (High Ankle Sprain) Evidence: suggestive

Cotton Test Special Test

Orthopedic Physical Examination & Clinical Assessment Guide

Cotton Test Orthopedic Special Test

What is it used for?

  • Assessing instability of the syndesmosis (lateral talar shift).

How to Perform

  • Stabilization: Hold the lower leg steady with one hand.
  • Action: Grasp the foot (talus) and apply a sideways (lateral) force.

Interpretation of Results

  • Positive Test: Feeling a "clunk" or excessive movement (>3-5mm) indicates widening of the syndesmosis.

References

  • Magee, D. J. (2021). Orthopedic Physical Assessment (7th ed.). Elsevier.