A&P 1 Muscles (2)

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micah.moore89
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248529
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A&P 1 Muscles (2)
Updated:
2013-11-22 14:25:14
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muscles
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muscles 2
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  1. •Pronator Teres
    • •Action: Pronates and flexes forearm
    • •Origin: Medial epicondyle of humerus; coronoid process of ulna
    • •Insertion: Lateral surface of radius
  2. •Flexor Carpi Radialis
    • •Action: Flexes wrist and elbow and abducts wrist
    • •Origin: Medial epicondyle of humerus
    • •Insertion: Base of metacarpal of the second digit
  3. •Palmaris Longus
    • •Action: Weak flexion of wrist, tenses skin of palm
    • • Origin: Medial epicondyle of humerus
    • •Insertion: Flexor retinaculum; palmar aponeurosis
  4. •Flexor Carpi Ulnaris
    • Action: Flexes and adducts wrist
    • •Origin: Medial epicondyle of humerus; olecranon process of ulna
    • •Insertion: medial carpal bones; metacarpal of 5th digit
  5. •Flexor Digitorum Superficialis
    • •Action: Flexes fingers and wrist
    • •Origin: Medial epicondyle of humerus; coronoid process of ulna; anterior surface of radius
    • •Insertion: Middle phalanges of medial 4 digits
  6. •Flexor digitorum profundus
    • •Action:  Flexion of wrist and fingers
    • •Origin: Medial and anterior surfaces of ulna; interosseous membrane
    • •Insertion: Distal phalanges of fingers
  7. •Flexor Pollicis Longus
    • •Action: Flexes thumb and wrist
    • •Origin: Middle half of radius; interosseous membrane, coronoid process of ulna
    • •Insertion: Distal phalanx of thumb
  8. •Brachioradialis
    • •Action: Flexes forearm
    • •Origin: Lateral supracondylar ridge
    • •Insertion: Lateral surface of distal radius
  9. •Extensor Carpi Radialis Longus
    • •Action: Extends and abducts hand
    • •Origin: Lateral supracondylar ridge of humerus
    • •Insertion: Second metacarpal
  10. •Extensor Carpi Radialis Brevis
    • •Action: Extends and abducts hand
    • •Origin: Lateral epicondyle of humerus
    • •Insertion: Third meta carpal
  11. •Extensor Digitorum
    • •Action: Extends fingers and hand
    • • Origin: Lateral epicondyle of humerus
    • •Insertion: Extensor expansions of medial four digits
  12. •Extensor Digiti Minimi
    • •Action: Extends 5th digit and hand
    • • Origin: Lateral epicondyle of humerus
    • •Insertion: Extensor expansion of the fifth digit
  13. •Extensor Carpi Ulnaris
    • •Action: Extends and adducts hand
    • •Origin: Lateral epicondyle of humerus; posterior surface of ulna
    • •Insertion: Metacarpal of the fifth digit
  14. •Anconeus
    • Action: Very weak extension of the forearm
    • •Origin: Lateral epicondyle of humerus
    • •Insertion: Olecranon process of ulna
  15. •Abductor pollicis longus
    • •Action: Abducts and extends thumb
    • •Origin: posterior surface of ulna and radius
    • •Insertion: first metacarpal
  16. •Extensor Pollicis Longus
    • •Action: Extends thumb
    • •Origin: Posterior surface of ulna and interosseous membrane
    • •Insertion: Distal phalanx of thumb
  17. •Extensor Pollicis Brevis
    • •Action: Extends thumb
    • •Origin: Posterior surface of radius and interosseous membrane
    • •Insertion: Proximal phalanx of thumb
  18. •Supinator
    • •Action: Supinates forearm
    • •Origin: Lateral epicondyle of humerus; proximal ulna
    • •Insertion: Posterior, lateral and anterior surfaces of proximal radius
  19. •Abductor pollicis brevis
    • •Action: Abducts thumb and aids in flexion
    • •Origin: scaphoid and trapezium
    • •Insertion: Proximal phalanx of thumb
  20. •Flexor pollicis brevis
    • •Action- flexes thumb
    • •Origin- Trapezium
    • •Insertion: Proximal phalanx of thumb
  21. •Flexor digiti minimi
    • •Action: Flexes fifth digit
    • •Origin: hook of hamate
    • •Insertion: proximal phalanx of fifth digit
  22. •Abductor digiti minimi
    • •Action: Abducts fifth digit
    • •Origin: Pisiform and tendon of flexor carpi ulnaris
    • •Insertion: Proximal phalanx of fifth digit
  23. •Gluteus Maximus
    • •Action: Principal extensor and lateral rotator of femur
    • •Origin: Lateral surface of ilium; dorsal surface of scrum and coccyx
    • •Insertion: iliotibial tract; gluteal tuberosity of femur
  24. •Gluteus Medius
    • •Action: Abduction and medial rotation of femur
    • •Origin: Lateral surface of ilium
    • •Insertion: Greater trochanter of femur, lateral surface
  25. •Piriformis
    • •Action- laterally rotates thigh at hip joint, abducts thigh
    • •Origin: Anterior surface of sacrum
    • •Insertion: Greater trochanter of femur superior surface
  26. •Quadratus Femoris
    • •Action: Rotates thigh laterally
    • •Origin: Ischial tuberosity
    • •Insertion: Greater trochanter of femur
  27. •Psoas Major
    • •Action: flexion of the thigh
    • •Origin: Transverse processes of bodies of lumbar vertebrae
    • •Insertion: Lesser trochanter of femur with iliacus
  28. •Iliacus
    • •Action: Flexes thigh and laterally rotates femur
    • •Origin: Iliac fossa and lateral margin of scrum
    • •Insertion: Lesser trochanter of femur with psoas major
  29. •Sartorius
    • •Action: Flexes both femur and tibia
    • •Origin: Anterior superior iliac spine
    • •Insertion: Medial margin of tibial tuberosity
  30. •Rectus Femoris
    • •Action: Extends tibia and flexes femur
    • •Origin: Anterior inferior iliac spine and upper margin of acetabulum
    • •Insertion: Tibial tuberosity
  31. •Vastus Lateralis
    • •Action: Extension of leg
    • •Origin: Intertrochanteric line and linea aspera of femur
    • •Insertion: Tibial tuberosity
  32. • Vastus Medialis
    • •Action: Extends tibia
    • •Origin: Intertrochanteric line and linea aspera of femur
    • •Insertion: Tibial tuberosity
  33. •Vastus Intermedius
    • •Action: Extends tibia
    • •Origin: Upper shaft of femur
    • •Insertion: Tibial tuberosity

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