Task: Answer Verification
Input (English): Question: Does four Weeks of Balance Training Affect Ankle Joint Stiffness in Subjects with Unilateral Chronic Ankle Instability?
Answer: Decreased inversion stiffness in the involved chronic unstable ankle was found that of uninvolved contralateral ankle. The 4-week balance training program intervention was ineffective in altering the mechanical characteristics of ankles with CAI.
Output (English): no