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The crest muscle
Medical expert of the article
Last reviewed: 07.07.2025
The pectineus muscle (m.pectineus) is short, flat, and originates on the crest and upper branch of the pubic bone. It is attached by a flat, thin tendon to the area located between the posterior surface of the lesser trochanter and the rough line of the thigh.
Function of the pectineus muscle: participates in adduction and flexion of the hip.
Innervation of the pectineus muscle: obturator nerve (LII-LIII).
Blood supply of the pectineus muscle: obturator and external pudendal arteries, deep femoral artery.
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