UE OI.txt

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Author:
limadams87
ID:
69134
Filename:
UE OI.txt
Updated:
2011-03-31 21:12:12
Tags:
anatomy
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Description:
origin and insertion for muscles of the upper extremity
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  1. FROM: anterior fibers-lateral third of clavicle(anterior border and superior surface). Middle fibers-acromion(lateral margin and superior surface). Posterior fibers-lower edge of crest of spine of scapula

    TO: deltoid tuberosity of the humerus
    Deltoid
  2. FROM: medial 2/3 of supraspinous fossa of scapula

    TO: superior facet on greater tubercle of the humerus
    Supraspinatus
  3. FROM: medial 2/3 of infraspinous fossa of scapula

    TO: middle facet on greater tubercle of humerus
    Infraspinatus
  4. FROM: Upper 2/3 of dorsal surface of lateral border of the scapula

    TO: lower facet on greater tubercle of humerus
    Teres minor
  5. FROM: medial 2/3 of subscapular fossa on costal surface of the scapula

    TO: lesser tubercle of the humerus
    Subscapularis
  6. FROM: dorsal surfaces of inferior angle and lower 1/3 of lateral border of the scapula

    TO: crest of lesser tubercle of humerus
    Teres major
  7. FROM: tip of coracoid process

    TO: middle of medial border of humerus
    Coracobrachialis
  8. FROM: long head-supraglenoid tubercle. Short head-tip of coracoid process

    TO: radial tuberosity
    Biceps brachii
  9. FROM: lower half of front of humerus

    TO: ulnar tuberosity and coronoid process of the ulna
    Brachialis
  10. FROM: long head-infragelnoid tubercle of scapula. Lateral head-posterior and lateral surfaces of humerus above radial groove. Medial head-posterior surface of humerus below radial groove

    TO: upper surface of olecranon process of the ulna and deep fascia of forearm. A few fibers insert into the fibrous capsule of the elbow joint.
    Triceps brachii
  11. FROM: posterior surface of lateral epicondyle of the humerus

    TO: lateral side of the olecranon and upper 1/4 of posterior surface of the shaft of the ulna
    Anconeus
  12. FROM: humeral head-common flexor tendon from medial epicondyle. Ulnar head-medial side of coronoid process of ulna

    TO: middle of lateral surface of the radius
    Pronator teres
  13. FROM: common flexor tendon from medial epicondyle

    TO: base of 2nd and 3rd metacarpals
    Flexor carpi radialis
  14. FROM: common flexor tendon from medial epicondyle

    TO: Palmar aponeurosis
    Palmaris longus
  15. FROM: humeral head-common flexor tendon from medial epicondyle. Ulnar head-olecranon and posterior border of ulna

    TO: pisiform, hamate, base of the 5th metacarpal
    Flexor carpi ulnaris
  16. FROM: humeroulnar head-common flexor tendon from medial epicondyle. Radial head-anterior oblique line of the radius

    TO: sides of shaft of middle phalanx of fingers
    Flexor digitorum superficialis
  17. FROM: anterior and medial surfaces of ulna, adjacent interosseus membrane and deep fascia

    TO: distal phalanx of fingers
    Flexor digitorum profundus
  18. FROM: anterior surface of radius, adjacent interosseus membrane, variable slip from coronoid process or medial epicondyle

    TO: base of distal phalanx of thumb
    Flexor pollicis longus
  19. FROM: lower quarter of anterior surface of ulna

    TO: lower quarter of anterior surface of radius
    Pronator quadratus
  20. FROM: upper 2/3 of the lateral supracondylar ridge of the humerus and lateral intermuscular septum

    TO: lateral side of base of styloid process of the radius
    Brachioradialis
  21. FROM: lower 1/3 of lateral supracondylar ridge and later intermuscular septum

    TO: base of 2nd metacarpal
    Extensor carpi radialis longus
  22. FROM: common extensor tendon from lateral epicondyle and adjacent intermuscular septum

    TO: base of 3rd metacarpal
    Extensor carpi radialis brevis
  23. FROM: common extensor tendon from lateral epicondyle and adjacent intermuscular septum

    TO: through extensor expansion into bases of middle and distal phalanges of fingers
    Extensor digitorum
  24. FROM: common extensor tendon from lateral epicondyle and adjacent intermuscular septum

    TO: Through extensor expansion to the bases of middle and distal phalanges of the little finger
    Extensor digiti minimi
  25. FROM: common extensor tendon from lateral epicondyle and posterior border of ulna

    TO: base of 5th metacarpal
    Extensor carpi ulnaris
  26. FROM: lateral epicondyle, radial collateral ligament of elbow joint, annular ligament of proximal radioulnar joint, posterolateral surface of ulna

    TO: upper 1/3 of lateral surface of the radius
    Supinator
  27. FROM: posterior surface of ulna below origin of supinator, middle 1/3 of posterior surface of radius below insertion of supinator and interosseus membrane

    TO: radial side of base of the 1st metacarpal and the trapezium
    Abductor pollicis longus
  28. FROM: posterior surface of radius below abductor and adjacent interosseus membrane

    TO: base of proximal phalanx of the thumb
    Extensor pollicis brevis
  29. FROM: middle 1/3 of posterior surface of ulna below abductor, adjacent interosseus membrane

    TO: base of distal phalanx of thumb
    Extensor pollicis longus
  30. FROM: posterior surface of ulna below extensor pollicis longis and adjacent interosseus membrane

    TO: extensor expansion into bases of middle and distal phalanges on index finger
    Extensor indicis
  31. FROM: flexor retinaculum, tubercles of trapezium and scaphoid

    TO: radial side of base of proximal phalanx of the thumb
    Abductor pollicis brevis
  32. FROM: flexor retinaculum and tubercle of trapezium

    TO: entire length of the radial side of the 1st metacarpal
    Opponens pollicis
  33. FROM: superficial head-flexor retinaculum and tubercle of trapezium. Deep head-trapezoid and capitate

    TO: radial side of base of proximal phalanx of the thumb
    Flexor pollicis brevis
  34. FROM: oblique head-capitate and bases of 2nd and 3rd metacarpals. Transverse head-palmar surface of 3rd metacarpal

    TO: ulnar side of the base of the proximal phalanx of the thumb
    Adductor pollicis
  35. FROM: ulnar border of palmar aponeurosis and flexor retinaculum

    TO: skin on ulnar border of hand
    Palmaris brevis
  36. FROM: pisiform and tendon of flexor carpi ulnaris

    TO: by 2 slips, one into the base of the proximal phalanx of the little finger, the other into ulnar border of extensor expansion
    Abductor digiti minimi
  37. FROM: hook of hamate and flexor retinaculum

    TO: ulnar side of base of proximal phalanx of little finger
    Flexor digiti minimi brevis
  38. FROM: hook of hamate and flexor retinaculum

    TO: entire length of ulnar side of 5th metacarpal
    Opponens digiti minimi
  39. FROM: single head from radial sides of the tendons of the index and middle fingers, respectively

    TO: bases of the radial side of the corresponding finger and inserts in the radial border of the extensor expansion covering the dorsal surface of the finger
    Lumbricals 1 & 2
  40. FROM: two heads each, from adjacent sides of the tendons of the middle, ring, and little fingers

    TO: passes to the radial side of the corresponding finger and inserts in the radial border of the extensor expansion covering the dorsal surface of the finger
    Lumbricals 3 & 4
  41. FROM: each arises by 2 heads from adjacent sides of metacarpals

    TO: extensor expansions and base of proximal phalanges of 2-4 digits, in each case on the side that enables it to abduct the digit
    Dorsal interossei
  42. FROM: each arises by a single head from metacarpal shaft of digits 1-5 that it adducts

    TO: extensor expansions, each on the side that will enable it to adducto the digit
    Palmar interossei

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