Upper limb muscles

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Author:
Ghoelix
ID:
147211
Filename:
Upper limb muscles
Updated:
2012-04-12 07:16:32
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Upper limb muscles
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Description:
Upper limb muscles
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  1. Deltoid
    • O:
    • Anterior surface of lateral clavicle
    • Acromian process and scapular spine

    • I:
    • Deltoid tuberosity of Humerus

    • F:
    • Flexes, medially rotates, adbducts arm at shoulder.
  2. Pectoralis major
    • O:
    • Clavicular head, clavicle, sternal head, sternum, costal cartilages 1 - 6

    • I:
    • Intertubercular groove, crest of greater tubercle

    • F:
    • Flexes arm, extends arm, medially rotates arm, abducts arm
  3. Biceps brachii
    • O:
    • Long head - superglenoid tubercle
    • Short head - coracoid process

    • I:
    • Radial tuberosity, bicipital aponeurosis

    • F:
    • Flexes elbow, supinates forearm
  4. Coracobrachialis
    • O:
    • Coracoid process

    • I:
    • Medial surface of humerus shaft

    • F:
    • Flexes and adducts arm at shoulder.
  5. Subscapularis
    • O:
    • Subscapular fossa

    • I:
    • Lesser tubercle of humerus

    • F:
    • Medially rotates arm at shoulder.
  6. Teres major
    • O:
    • Inferior angle of scapula and lower lateral border

    • I:
    • Intertubercular groove

    • F:
    • Adducts, medially rotates, extends arm at shoulder
  7. Latissimus dorsi
    • O:
    • T6 - T12, sacrum, ribs 10 - 12, inferior angle of scapula

    • I:
    • Intertubercular groove

    • F:
    • Adducts, medially rotates, extends arm at shoulder
  8. Deltoid
    • O:
    • Acromian process and spine of scapula

    • I:
    • Deltoid tuberosity

    • F:
    • Abducts, laterally rotates and extends arm at shoulder
  9. Supraspinitus
    • O:
    • Supraspinous fossa

    • I:
    • Superior aspect of greater tubercle

    • F:
    • Abducts arm, holds humerus in glenoid fossa
  10. Infraspinitus
    • O:
    • Infraspinous fossa

    • I:
    • Middle part of greater tubercle

    • F:
    • Laterally rotates arm, holds humerus in glenoid fossa
  11. Teres minor
    • O:
    • Middle part of lateral border of scapula

    • I:
    • Inferior aspect of greater tubercle of humerus

    • F:
    • Laterally rotates and adducts arm at shoulder, holds in glenoid fossa
  12. Triceps brachi
    • O:
    • Infraglenoid tubercle

    • I:
    • Posterior clecranon process of ulna

    • F:
    • Extends arm at shoulder
  13. Trapezius
    • O:
    • Occipital protuberance, medial superior nuchal line

    • I:
    • lateral clavicle, acromion
  14. Bicep brachii long and short ( biceps )
    • O:
    • Long head - supraglenoid tubercle
    • Short head - coracoid process

    • I:
    • Radial tuberosity

    • F:
    • Flexes and supinates forearm
  15. Brachiallis
    • O:
    • Anterior, distal half of humerus

    • I:
    • Coronoid process and tuberosity of ulna

    • F:
    • Flexes forearm at elbow
  16. Brachioradialis
    • O:
    • Lateral supracondaylar ridge

    • I:
    • Styloid process of radius

    • F:
    • Flexes forearm at elbow
  17. Pronator teres
    • O:
    • Humoral head: medial epicondyle of humerus
    • Ulnar head: medial side of corooid process of ulna.

    • I:
    • Middle of lateral surface of Radius

    • F:
    • Pronates and flexes forearm at elbow.
  18. Flexor carpi radialus
    • O:
    • Medial epicondyle of humerus

    • I:
    • Bases of metacarpals 2 and 3

    • F:
    • Flexes and abducts hand at wrist
  19. Palmaris longus
    • O:
    • Medial epicondyle of humerus

    • I:
    • Flexor retinaculum and palmar aponeuroses

    • F:
    • Flexes hand at wrist, tenses palmar aponeurosis
  20. Flexor carpi ulnaris
    • O:
    • Medial epicondyle of humerus

    • I:
    • Pisiform, hook of hamate, metacarpal 5

    • F:
    • Flexes and adducts hand at wrist
  21. Flexor digitorum superficialis
    • O:
    • Humero-ulnar head - medial epicondyle of humerus and coronoid process of ulna.
    • Radial head - upper anterior surface of radius

    • I:
    • Middle phalanges 2 - 5

    • F:
    • Flexes middle phalanges, proximal phalanges, hand at wrist. Also forearm at elbow
  22. Extensor carpi radialis longus
    • O:
    • Lateral supracondylar ridge

    • I:
    • Base of metacarpal 2, dorsal surface

    • F:
    • Extends and abducts hand at wrist
  23. Extensor Carpi radialis brevis
    • O:
    • Lateral epicondyle of humerus

    • I:
    • Base of third metacarpal, dorsal surface

    • F:
    • Extends and abducts hand a wrist
  24. Extensor digitorum
    • O:
    • lateral epicondyle of humerus

    • I:
    • Distal phalanges 2 - 5 on dorsal surface

    • F:
    • Extends digits and wrist
  25. Extensor carpi ulnaris
    • O:
    • Lateral epicondyle of humerus

    • I:
    • Base of metacarpal 5, dorsal surface

    • F:
    • Extends and adducts hand at wrist
  26. Anconeus
    • O:
    • Lateral epicondle of humerus

    • I:
    • Lateral aspect of olecranon process of ulna

    • F:
    • Pronates forearm

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