Physical Therapy Korea
pISSN 1225-8962 eISSN 2287-982X
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Changes of GM/MF electromyography amplitude ratio for three different hip abduction angles

Muscles Ratio F-value p-value

15˚ 30˚
GM/Rt.MF 0.39 ± 0.25 0.52 ± 0.30 0.74 ± 0.47 12.156 < 0.01*
GM/Lt.MF 0.39 ± 0.28 0.51 ± 0.31 0.74 ± 0.47 12.704 < 0.01*

Values are presented as mean ± standard deviation. GM, gluteus maximus; Rt.MF, right multifidus; Lt.MF, left multifidus. *Significant difference.

Phys. Ther. Korea 2022;29:11~18 https://doi.org/10.12674/ptk.2022.29.1.11
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