Fig. 4. Comparison of muscle activity ratio in the (A) GMp/TFL and (B) GMm/QL among PD, PDE, and PDF. GMp, posterior subdivision of gluteus medius; TFL, tensor fasciae latae; GMm, middle subdivision of gluteus medius; QL, quadratus lumborum; PD, pelvic drop exercise; PDE, pelvic drop exercise with an isometric hip extension of non-weight bearing leg; PDF, pelvic drop exercise with an isometric hip flexion of non-weight bearing leg. *By Bonferroni correction, p < 0.017.
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