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KMID : 1002720140120040209
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Journal of Korean Proprioceptive Neuromuscular Facilitation Association
2014 Volume.12 No. 4 p.209 ~ p.224
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Effect of Balance Training on Ankle Muscle Activity and Static Balance in Stroke Patients
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Lee Young-Min
Kim Sang-Chul
Yoon Sun-Kyeung
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Abstract
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Purpose: This study aims to understand the effect of balance training on ankle muscle activity and static balance in stroke patients.
Methods: The subjects were composed of 12 patients who were admitted with chronic stroke in H, K, and R hospitals located in Gangwon-do from August to October 2014. This study conducted balance training on the subjects for 20 min a session, twice a day, five times a week for six weeks. This study measured the surface electromyogram (EMG) of the paretic side’s tibialis anterior and medial gastrocnemius for muscle activity. Static balance was measured as a TETRAX stability index. The measurements were conducted before the experiment and six weeks after. The result was statistically analyzed using paired t-test at the significance level of 0.05.
Result: Muscle activity of the paretic side’s tibialis anterior and medial gastrocnemius did not show a significant difference in the comparison between pre- and post-balancing training. However, the stability index showed a significant difference (p<0.05) between standing with eyes open (NO) and standing on a sponge with eyes open (PO).
Conclusion: Although balance training did not affect the muscle activity of chronic stroke patients, it had an effective influence on the stability index. That is, balance training was effective at the functional level, but it did not change the structure level in terms of the ICF evaluation standard. Balance training becomes more effective when it is applied in relation to task.
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KEYWORD
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Balance training, ankle muscle activity, static balance
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