Muscles of the upper body

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Muscles of the upper body
2011-03-22 23:37:25
Muscles upper body

Muscles of the upper body
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  1. Muscle? Action?
    External Oblique

    Action: Compresses abdominal viscera. Bends vertebral columjn laterally. Flexes Vertebral Column
  2. Muscle? Action?
    Internal Oblique

    Action: Compresses abdominal viscera. Bends vertebral columjn laterally. Flexes Vertebral Column
  3. Muscle? Origin Insertion & Action?
    Rectus Abdominis

    Origin: Pubic crest, symphysis pubis

    Insertion: Cartilages of ribs 5-7, xiphoid process

    Action: flexes vertebral column
  4. Muscle? Origin, Insertion, Action?
    Transversus Abdominis

    Origin: Inguinal Ligament, Iliac crest, Thoracolumbar fascia, Lower 6 ribs

    Insertion: Linea Alba

    Action: Constrics abdominal viscera
  5. Muscle? Action?

    Action: Respiration
  6. Muscle? Origin Insertion and Action

    Origin: Occipital bone, ligamentum nuchae, spines of c-7 and all thoracic vertebrae

    Insertion: Clavicle, scapular spine, acromion

    Action: draws head back, elevate3s depresses,m rotates, adducts & stabalizes scapula
  7. muscle? O, I & A?

    Origin: spinous process c7- t5

    Insertion: medial scapular border

    Action: adducts scapula
  8. Muscle? OIA?
    Levator Scapulae

    O: transverse process of first 4 cervical vertebrae

    I: Medial border of scapula above spine

    A: Elevates scapula, when scapula is fixed it extends and bends neck laterally
  9. Muscle? OIA?
    Pectoris Minor

    • O: Ribs 3 4 5
    • I: Coracoid process of scapula
    • A: draws scapula forward/downward depressing shoulder
  10. Muscle? OIA?

    • O: Infraspinous fossa of scapula
    • I: Greater tubercle of humerous
    • A: lateral rotation of humerous
  11. Muscle? OIA?

    • O:supraspinatus fossa of scapula
    • I:greater tubercle of humerous
    • A:abducts humerous
  12. Muscle? OIA?

    • O:Clavicle acromion and scapular spine
    • I: deltoid tuberosity of humerous
    • A: abducts humerous, flexes and rotates humerous medially. extends and rotates humerous laterally.
  13. Muscle and OIA
    Pectoralis major

    O: Clavicle sternum and cartilages of ribs 2-6, aponeurosis of external oblique

    I: intertubercular groove of humerus

    A: adducts flexes and medially rotates humerous.
  14. Muscle? OIA?
    Latissimus dorsi

    • O: thoracolumbar fascia crest of ilium
    • I: intertubercle groove of humerus
    • A: edxtends, adducts, & medially rotates arm
  15. Muscle? OIA?
    Teres Major

    • O: inferior angle of scapula
    • I:lesser tubercle of humerus
    • A: adducts, extends, medially rotates arm
  16. Muscle? OIA?
    Biceps Brachii

    • O: short head-coracoidn process of scapula
    • long head- superior margin on gledoid fossa

    I: radial tuberosity

    A: flexes forarm
  17. #4 oia

    O: lower half of anterior surface of humerous

    I: tuberosity and coronoid process of ulna

    A: flexes forarm
  18. #5 OIA

    O: lateral supracondylar ridge of humerous

    I: styloid process of radius

    A: flexes forarm
  19. #11 OIA
    triceps brachii

    • O: long head- infraglenoid tuberosity of scapula
    • lateral head-proximal shaft of humerous
    • medial head- distal 2/3rds of humerous

    I: olecranon process of ulna

    A: extends forarm
  20. Muscle? OIA
    Pronator teres

    • O: humeral head-medial epicondyle of humerous
    • ulnar head-coronoid process of ulna

    I: middle shaft of radius

    A: pronates hand
  21. muscle #9-OIA?
    Flexor carpi ulnaris

    O: medial epicondyle of humerous, medial margin of olecranon, posterior border of ulna

    I: 5th metacrapal, carpal bones of wrist

    A: flexes and adducts wrist, flexes forarm
  22. Muscle #8, OIA?
    Flexor Carpi Radialis

    • O: medial epicondyle of humerous
    • I: transverse carpal ligament, palmar aponeurosis
    • A: Flexes wrist and forarm
  23. Muscle #10 OIA?
    Flexor Digitorum Superficialis

    O: Medial epicondyle of humerous, Medial surface of ulna, Anterior border of radius

    I: middle phalanges of 4 fingers

    A: flexes fingers, hand and forarm.

  24. Muscle #18? OIA?
    Palmaris Longus

    O: Medial epicondyle of humerus

    I: transverse carpal ligament, palmar aponeurosis

    A: flexdes wrist and forarm