Adductors and posterior thigh innervation and action Flashcards

1
Q

Adductor longus

A
Innervation:  L2-L3-L4
                      Obturator nerve (anterior division)
Action:  Adducts and medially rotates thigh at hip joint
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2
Q

Gracilis

A

Innervation: L2-L3
Obturator nerve
Action: Adducts thigh at hip joint
Flexes leg at knee joint

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3
Q

Adductor magnus

A

Adductor portion:
Innervation: L2-L3-L4
Obturator nerve
Action: Adducts and medially rotates thigh at hip joint

Hamstring portion:
Innervation: L2-L3-L4
Sciatic nerve (tibial division)
Action: Adducts thigh and medially rotates thigh at hip

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4
Q

Semi-membranosus

A

Innervation: L5-S1-S2
Sciatic nerve (tibial division)
Action: Flexes leg at knee
Extends thigh at hip
Medially rotates thigh at hip and leg at knee

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5
Q

Semi-tendinosus

A

Innervation: L5-S1-S2
Sciatic nerve (tibial division)
Action: Flexes leg at knee
Extends thigh at hip
Medially rotates thigh at hip and leg at knee

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6
Q

Biceps femoris

A

Innervation: L5-S1-S2
Sciatic nerve
Action: Flexes and laterally rotates leg at knee
Extends and laterally rotates thigh at hip

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