Abstract
Isokinetic knee extension, flexion, ankle dorsi and plantar flexion strength was evaluated in 20 patients with ankle joint injury (patient group) and 10 normal volunteers (normal group). Using the Cybex 340, the test was performed at 60 deg/sec (knee) and 30 deg/sec (ankle).Knee flexion/extension for peak torque is about 1/2 and ankle dorsi flexion/plantar flexion for peak torque is about 1/4-5 when comparing the patient group to the normal group.Ankle dorsi flexion for peak torque is significantly lower on the injured side. Ankle dorsi flexion for peak torque is significantly lower in average power, after 4 weeks immobilization and in males. Quadriceps and Hamstrings muscle strength is not significantly lower in the patient group.
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