Semimembranosus Flashcards

1
Q

What is it?

A

Medial, posterior thigh; most medial hamstring. M & M.

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2
Q

Origin

A

The ischial tuberosity

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3
Q

Insertion

A

Posterior aspect of the medial condyle of the tibia

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4
Q

Innervation

A

Sciatic nerve (tibial branch).

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5
Q

Actions

A

-Flex the knee at tibiofemoral joint.
-Extend the hip at coxal joint.
-tilt the pelvis posteriorly at the lumbosacral joint.
-Medially rotate the flex Denny at the tibiofemoral joint; & hip at the coxal joint.

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