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Flexes Leg at Knee

1.Sartorius

2.Gracilis

3.Long and Short head of the Biceps Femoris

4.Semitendinosus

5.Semimembranosus

Extends Leg at Knee

1.Rectus Femoris

2.Vastus Lateralis

3.Vastus Medialis

4.Vastus Intermedius

EXAMPLE: The Vastus Intermedius is an ANTAGONIST to the Sartorius because it preforms an opposite action.

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17y ago

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