Abstract
The purpose of this study was to assess the effects of proprioceptive neuromuscular facilitation (PNF) withelastic band exercise on strength and dynamic balance in ankle instability. A total of 19 subjects with ankleinstability. Subjects were randomly divided into ST(Stretching group, n=10) and STPNF(Stretching withProprioceptive Neuromuscular Facilitation group, n=10). Two groups measured strength dynamic balance.The differences in ankle muscle strength and balance ability between pre- and post-intervention wereanalyzed using paired t-test and independent t-test. In the within-group pre-post comparison, STPNF showedsignificant increase in muscle strength at RPF30°, LPF30°, and RPF90°. In the between-groups comparison,significant difference in muscle strength was found at RPF30°, LPF30°, LDF30°, RDF90°, LPF90°, andLDF90° (p<0.05). In the within-group pre-post comparison of dynamic balance, STPNF showed significantincrease in leftward and rightward (p<0.05). In the between-groups comparison, significant difference inrightward balance was found (p<0.05). The results from this study indicated that PNF with elastic band haveimproved the strength and balance in ankle instability.
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