Lower Extremities: Muscles That Act On The Thigh

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Author:
nhorn1017
ID:
4390
Filename:
Lower Extremities: Muscles That Act On The Thigh
Updated:
2010-01-17 22:58:52
Tags:
muscles
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Description:
Lower Extremities: Muscles That Act On The Thigh
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  1. Psoas Major
    • Location- in the fossa of the ilium
    • Origin- bodies and transverse processes of lumbar vertebrae
    • Insertion- lesser trochanter of femur
    • Action- flexes the thigh
  2. Iliacus
    • Location- in the fossa of the ilium
    • Origin- iliac fossa
    • Insertion- lesser trochanter of femur
    • Action- flexes the thigh
  3. Gluteus Maximus
    • Location- forms the buttocks
    • Origin- ilium and dorsal sacrum and coccyx
    • Insertion- posterior surface of femur below greater trochanter
    • Action- extends and abducts the femur; rotates laterally
  4. Gluteus Medius
    • Location- under the gluteus maximus
    • Origin- upper lateral surface of ilium
    • Insertion- greater trochanter of femur
    • Action- abducts femur and rotates medially
  5. Tensor Fasciae Latae
    • Location- along lateral upper surface of thigh
    • Origin- anterior aspect of iliac crest and anterior surface of superior iliac spine
    • Insertion- fascia of lateral surface of femur and tibia
    • Action- abducts, flexes, rotates femur medially

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