Question: what are the concentric actions of the piriformis muscle
Answer: Details Origin Sacrum Insertion Greater trochanter Artery Inferior gluteal , lateral sacral and superior gluteal artery , Nerve Nerve to the piriformis ( L5 , S1 , and S2 ) Actions External rotator of the thigh Identifiers Latin Musculus piriformis Dorlands / Elsevier m_22 / 12550205 TA A04.