Lower Extremity

Card Set Information

Author:
Anonymous
ID:
143848
Filename:
Lower Extremity
Updated:
2012-03-25 23:42:35
Tags:
Kinesiology lower extremity
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Description:
Muscles of the lower extremity
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  1. What is the proximal attachment for Gluteus maximus?
    Illium posterior to posterior surface gluteal line, dorsal surface of sacrum and coccyx, and sacrotuberous ligament
  2. What is the distal attachment of the Gluteus maximus?
    Most fibers end in iliotibial tract that inserts into lateral condyle of tibia: some fibers insert on gluteal tuberosity of femur
  3. What is the action of the gluteus maximus?
    extends thigh at the hip and assists in its lateral rotation; steadies thigh and assists in raising trunk from flexed position.
  4. What is the proximal attachment of the gluteus medius?
    External surface of ilium
  5. What is the distal attachment of the gluteus medius?
    Laterall surface of greater trochanter
  6. What is the action of the gluteus medius?
    Abducts and medially rotates thigh at hip; steadies pelvis on leg when opposite leg is raised.
  7. What is the proximal attachment of the gluteus minimus?
    external surface of ilium
  8. What is the distal attachment of gluteus minimus?
    anterior surface of greater trochanter
  9. What is the action of the action of the gluteus minimus?
    Abducts and medially rotates thigh at hip; steadies pelvis on leg when opposite leg is raised.
  10. What is the proximal attachment of piriformis?
    anterior surface of sacrum and sarcotuberous ligament
  11. What is the distal attachment of the piriformis?
    superior border of greater trochanter
  12. What is the action of the piriformis?
    laterally rotates extended thigh at hip and abducts flexed thigh at hip; steadies femoral head in acetabulum
  13. What is the proximal attachment of the Gemelli?
    Superior: ischial spine

    Inferior: ichial tuberosity
  14. What is the distal attachment for the Gemelli?
    medial aspect of the great trochanter
  15. What is the action of the gemelli?
    laterally rotates extended thigh at the hip and abduct flexed thigh at hip; steady femoral head in acetabulum
  16. What is the proximal attachment for quadratus femoris?
    lateral bordder of ischial tuberosity
  17. What is the distal attachment of the quadratus femoris?
    quadrate on intertrochanteric crest of femur
  18. What is the action of the quadratus femoris?
    laterally rotates thigh at hip; steadies femoral head in acetabulum.
  19. What is the proximal attachment of the semitendinosus?
    ischial tuberosity
  20. What is the distal attachment for the semitendinosus?
    medial surface of superior part of tibia
  21. What is the action of the semitendonosus?
    Extends thigh at hip; flexes leg at knee and rotates it medially; with flexed hip and knee, extends trunk
  22. What is the proximal attachment of the semimembranosus?
    Ischial tuberosity
  23. What is the distal attachemnt of the semimembranosus?
    Posterior part of medial condyle of tibia
  24. What is the action of the semimembranosus?
    extends thigh at hip; flexes leg at knee and rotates it medially;; with flexed hip and knee, extends trunk
  25. What is the proximal attachment of the Bicep femoris?
    Long head: ischial tuberosity


    Short head: linea aspera and lateral supracondylar line of femur
  26. What is the distal attchment for the bicep femoris?
    lateral side of head of fibula; tendon at this site split by fibular collateral ligament of knee
  27. What is the action of the bicep femoris?
    Flexes leg at knee and rotates it laterally; extends thigh at hip ( i.e when starting to walk [long head])

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