piriformis muscle

pi·ri·for·mis mus·cle

(pir'i-fōrm'is mŭs'ĕl) Origin, margins of pelvic sacral foramina and greater sciatic notch of ilium; insertion, upper border of greater trochanter; action, rotates thigh laterally; nerve supply, nerve to piriformis (sciatic plexus).
Synonym(s): musculus piriformis [TA] , piriform muscle.

piriformis muscle

Thigh muscle. Origin: anterior surface of sacrum. Insertion: upper part of greater trochanter of femur. Nerve: spinal L5-S2. Action: laterally rotates thigh. See also: muscle

单词	piriformis muscle
释义	DictionarySeemuscleEncyclopediaSeepiriformis piriformis muscle pi·ri·for·mis mus·cle (pir'i-fōrm'is mŭs'ĕl) Origin, margins of pelvic sacral foramina and greater sciatic notch of ilium; insertion, upper border of greater trochanter; action, rotates thigh laterally; nerve supply, nerve to piriformis (sciatic plexus). Synonym(s): musculus piriformis [TA] , piriform muscle. piriformis muscle Thigh muscle. Origin: anterior surface of sacrum. Insertion: upper part of greater trochanter of femur. Nerve: spinal L5-S2. Action: laterally rotates thigh. See also: muscle
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