Physical Therapy Korea
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Fig. 5.
Fig. 5. Comparison of the SA/PM muscle activity ratio during KPP with and without IHA at 90° and 120° of shoulder flexion. SA, serratus anterior; PM, pectoralis major; KPP, knee push-up plus; IHA, isometric horizontal abduction. *p < 0.0125, significant simple effect.
Phys. Ther. Korea 2023;30:160~168
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