UE OI.txt

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

FROM: medial 2/3 of supraspinous fossa of scapula

TO: superior facet on greater tubercle of the humerus

FROM: medial 2/3 of infraspinous fossa of scapula

TO: middle facet on greater tubercle of humerus

FROM: Upper 2/3 of dorsal surface of lateral border of the scapula

TO: lower facet on greater tubercle of humerus

FROM: medial 2/3 of subscapular fossa on costal surface of the scapula

TO: lesser tubercle of the humerus

FROM: dorsal surfaces of inferior angle and lower 1/3 of lateral border of the scapula

TO: crest of lesser tubercle of humerus

FROM: tip of coracoid process

TO: middle of medial border of humerus

FROM: long head-supraglenoid tubercle. Short head-tip of coracoid process

TO: radial tuberosity

FROM: lower half of front of humerus

TO: ulnar tuberosity and coronoid process of the ulna

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.

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

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

FROM: common flexor tendon from medial epicondyle

TO: base of 2nd and 3rd metacarpals

FROM: common flexor tendon from medial epicondyle

TO: Palmar aponeurosis

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

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

FROM: anterior and medial surfaces of ulna, adjacent interosseus membrane and deep fascia

TO: distal phalanx of fingers

FROM: anterior surface of radius, adjacent interosseus membrane, variable slip from coronoid process or medial epicondyle

TO: base of distal phalanx of thumb

FROM: lower quarter of anterior surface of ulna

TO: lower quarter of anterior surface of radius

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

FROM: lower 1/3 of lateral supracondylar ridge and later intermuscular septum

TO: base of 2nd metacarpal

FROM: common extensor tendon from lateral epicondyle and adjacent intermuscular septum

TO: base of 3rd metacarpal

FROM: common extensor tendon from lateral epicondyle and adjacent intermuscular septum

TO: through extensor expansion into bases of middle and distal phalanges of fingers

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

FROM: common extensor tendon from lateral epicondyle and posterior border of ulna

TO: base of 5th metacarpal

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

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

FROM: posterior surface of radius below abductor and adjacent interosseus membrane

TO: base of proximal phalanx of the thumb

FROM: middle 1/3 of posterior surface of ulna below abductor, adjacent interosseus membrane

TO: base of distal phalanx of thumb

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

FROM: flexor retinaculum, tubercles of trapezium and scaphoid

TO: radial side of base of proximal phalanx of the thumb

FROM: flexor retinaculum and tubercle of trapezium

TO: entire length of the radial side of the 1st metacarpal

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

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

FROM: ulnar border of palmar aponeurosis and flexor retinaculum

TO: skin on ulnar border of hand

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

FROM: hook of hamate and flexor retinaculum

TO: ulnar side of base of proximal phalanx of little finger

FROM: hook of hamate and flexor retinaculum

TO: entire length of ulnar side of 5th metacarpal

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

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

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

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