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Gracilis

Other Terms: Musculus gracilis, Muscle gracile

Muscle parts

None

Latin name

Musculus gracilis

Latin muscle parts

None

Group

Thigh muscle – medial compartment

Etymology

The English name for this muscle is the slender muscle. The Latin term gracilis means “slender, or thin.”

Origin

Lower half of the body of the pubis; inferior ramus of the pubis and a small adjacent portion of the ischial ramus

Insertion

Anteromedial surface of the proximal tibia just below the medial condyle; fascia of the leg; attaches slightly proximal to the semitendinosus and just behind the sartorius

Action

Flexion of the knee and rotates the knee medially; assists with adduction of the hip.

Nerve supply

Obturator nerve (L2 and L3)

Blood supply

From proximal to distal, the muscle is supplied by the obturator artery, the medial circumflex femoral branch of the femoral artery, direct muscular branches of the femoral artery, the descending genicular branch of the femoral artery, and the superior and inferior medial genicular branches of the popliteal artery.

Latin

Musculus gracilis

French

Muscle gracile

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