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작성일 2020-08-19 조회수 224
파일첨부 (2015) Effect of isotonic and isokinetic exercise on muscle activity and balance of the ankle joint.pdf
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[BT4] Effect of isotonic and isokinetic exercise on muscle activity and balance of the ankle joint

[Purpose] This study was performed to examine how the balance of lower limbs and the muscle activi?ties of the tibialis anterior (TA), the medial gastrocnemius (GCM), and the peroneus longus (PL) are influenced by isotonic and isokinetic exercise of the ankle joint. [Subjects] The subjects of this study were healthy adults (n=20), and they were divided into two groups (isotonic=10, isokinetic=10). 

[Methods] Isotonic group performed 3 sets of 10 contractions at 50% of MVIC and Isokinetic group performed 3 sets of 60°/sec. Muscle activity was measured by EMG and balance was measured by one-leg standing test. 

[Results] For muscle activity, a main effect of group was found in the non-dominant TA, and the dominant TA, GCM and PL. For balance, a main effect of time was found in both groups for the sway area measured support was provided by the non-dominant side. 

[Conclusion] In terms of muscle activity, the two groups showed a significant difference, and the isokinetic group showed higher muscle activities. In terms of balance, there was a significant difference between the pre-test and the post-test. The results of this study may help in the selection of exercises for physical therapy, because they show that muscle activity and balance vary according to the type of exercise.

이전글 [BT4] Effects of different types of exercise on muscle activity and balance control
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