Physical Therapy Korea
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Fig. 4.
Fig. 4. Comparison of UT activity during KPP with and without IHA at 90° and 120° of shoulder flexion. UT, upper trapezius; %MVIC, percentages of the mean maximal voluntary isometric contraction; KPP, knee push-up plus; IHA, isometric horizontal abduction. (A) Significant difference in the main effect for IHA condition, (B) significant difference in the main effect for shoulder flexion angle. *p < 0.05, significant difference in main effects.
Phys. Ther. Korea 2023;30:160~168
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