Muscles Origin/Insertion/Action

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Author:
jcs6116
ID:
261645
Filename:
Muscles Origin/Insertion/Action
Updated:
2014-02-16 23:59:37
Tags:
anatomy origin insertion action
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Description:
anatomy origin insertion action
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  1. Massater
    Origin: zygomatic arch

    Insertion:lateral surface of mandible

    Action:elevates mandible (jaw)
  2. Sternocleidomastoid
    Origin: Sternum

    Insertion: Clavical

    Action: pulls head towards chest
  3. *Supraspinatus
    Origin: superspinous fossa

    Insertion: greater tubricle of humerous

    Action: abducts arm
  4. *Infraspinatus
    Origin: infraspinous fossa

    Insertion: greater tubricle of humerous

    Action: lateral rotation, adduction
  5. *Subscapularis
    Origin: subscapular fossa

    Insertion: lesser tubricle of humerous

    Action: medial rotation
  6. *Teres Minor
    Origin: lateral border of scapula 

    Insertion: greater tubricle of humerous

    Action: lateral rotation, adduction
  7. Teres Major
    Origin: lateral border of scapula

    Insertion: intertubecular groove of humerous

    Action: adduction of arm
  8. Pectoralis Minor
    Origin: sternal end of upper ribs 

    Insertion: coracoid process of scapula 

    Action: raises ribs
  9. Deltoid
    • Origin: acromium process, spine of scapula,
    •           clavicle

    Insertion: deltoid tuberosity of humerous

    • Action:  abduction of arm, extends or flexes   
    •             humerous
  10. Levator Scapulae
    Origin: transverse process of cervical vertebrae

    • Insertion: medial margin of scapula
    •  
    • Action: elevates scapula
  11. Biceps Brachii
    Origin: coracoid process, above glenoid cavity

    Insertion: radial tuberosity of the radius

    Action: flexes forearm
  12. Superficial Transverse Perenei
    Origin: ischial tuberosity

    Insertion: central tendon

    Action: supports pelvic visera
  13. Psoas Major
    Origin:lumbar vertebrae

    Insertion: lesser trochanter of femur

    Action: flexes thigh
  14. Sartorius
    Origin: anterior superior illiac spine

    Insertion: medial surface of tibia

    Action: flexes leg and thigh
  15. *Rectus Femoris
    Origin: Anterior Superior illiac spine

    Insertion: tibural tuberosity

    Action: extends leg and knee
  16. *Vastus Lateralis
    • Origin: greater trochanter, posterior surface of
    •           femur

    Insertion: tibural tuberosity

    Action: extends leg at knee
  17. *Vastus Medialis
    Origin: medial surface of femur

    Insertion: tibural tuberosity

    Action: extends leg at knee
  18. *Vastus Intermedius
    • Origin: anterior and lateral surface of the      
    •           femer

    Insertion: tibural tuberosity

    Action: extends leg at knee
  19. *Biceps Femoris
    Origin: ischial tuberosity, posterior surface of             femur

    Insertion: head of fibula, lateral condyle of                 tibia

    Action: flexes knee
  20. *Semimembranosis
    Origin: ischial tuberosity

    Insertion: medial condyle of tibia

    Action: flexes knee
  21. *Semitendinosis
    Origin: ischial tuberosity

    Insertion: medial surface of tibia

    Action: flexes knee
  22. Gastrocnemious
    Origin: lateral & medial condyle of femur

    Insertion: posterior surface of calcaneous

    Action: flexes leg at knee

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