Muscles that act on the femur

Muscles that act on the femur - - biceps femoris o origin:...

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Muscles that act on the femur, tibia & fibula - Extensors: - sartorius o origin: anterior superior iliac spine o o action: flexes leg at knee joint; flexes, abducts & laterally rotates thigh at hip joint - Quadriceps femoris muscle group: - rectus femoris o origin: anterior inferior iliac spine o ligament) o action: extends leg at knee joint; flexes thigh at hip joint - vastus lateralis o o ligament) o action: extends leg at knee joint - vastus medialis o origin: linea aspera of femur o ligament) o action: extends leg at knee joint - Flexors: - Hamstring muscle group:
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Unformatted text preview: - biceps femoris o origin: ischial tuberosity (long head); linea aspera of femur (short head) o insertion: head of fibula & lateral condyle of tibia o action: flexes leg at knee joint & extends thigh at hip joint- semitendinosus o origin: ischial tuberosity o insertion: proximal medial surface of shaft of tibia o action: flexes leg at knee joint & extends thigh at hip joint- semimembranosus o origin: ischial tuberosity o insertion: medial condyle of tibia o action: flexes leg at knee joint & extends thigh at hip joint Muscles that move the foot & toes- tibialis anterior o origin: lateral condyle & body of tibia (& interosseus membrane between tibia & fibula) o insertion: 1 st metatarsal & medial cuneiform o action: dorsiflexes foot at ankle joint & inverts foot at intertarsal joints- extensor digitorum longus Page7...
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

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Muscles that act on the femur - - biceps femoris o origin:...

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