Isokinetic Evaluation of the Ankle Invertors and Evertors

Abstract

The purpose of this study was to develop normative strength dues (absolute peak torque and relative peak torque) for the ankle inverters and evertors in normal adults by using the Cybex dynamometer. Differences in strength between men and women, as we// as between dominant leg and nondominant leg, were also compared. Absolute peak torque of the two muscle groups in men were significantly higher (p < 0.001) than in women. When expressed as relative peak torque, however, only the left evertors in men were significantly stronger than the corresponding side in women. No Significant difference in strength ( p < 0.01) was found between the dominant leg and nondominant leg with the exception of the evertors in women when tested at 30 degrees per second. The ratios between the strength of the evertors and invertors were also presented; however, no apparent trend was noted. The data presented could provide a guideline for rehabilitation of patients.'J Orthop Sports Phys Ther 1984;5(5):246-252.

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