Forearm, hand, and bony landmarks (p. 108)
Thenar or pollicus (meat of the thumb) area
radius pivots around the unla
8 carpals
5 metacarpals
14 phalanges
Some Scaphoid
Lovers Lunate
Try Triquetrum
Positions Pisiform
That Trapezium
They Trapezoid
Can't Capitate
Handle Hamate
FOOSH (fall on out stretched hand)
Brachialis (deep to biceps)
O: distal 1/2 of anterior surface of humerus
I: Tuberosity and coronoid process of ulna
A: Flex elbow (humeroulnar jt)
Brachioradialis (only mm runs length of forearm but doesn't cross wrist jt; divides flexors and extensors)
O: proximal 2/3 of lateral supracondylar ridge of humerus
I: styloid process of radius
A: flex humeroulnar jt
assist pronate and supinate the forearm when these mvmts are resisted
Extensors of the wrist and fingers (4 of 'em)
Extensor Carpi Radialis Longus
O: distal 1/3 of lateral supracondylar ridge of humerus
I: Base of second metacarpal
A: extend wrist (radiocarpal jt)
abduct radiocarpal
assist flex humeroulnar
Extensor Carpi Radius Brevis
O: common extensor tendon from lateral epicondyle of humerus
I: base of 3rd metacarpal
A: extend radiocarpal
abduct radiocarpal
assist flex humeroulnar
Extensor Carpi Ulnaris
O: common extensor tendon from lateral epicondyle of humerus
I: base of 5th metacarpal
A: extend radiocarpal jt
adduct radiocarpal jt
Extensor Digitorum
O: common extensor tendon from lateral epicondyle of humerus
I: base of middle and distal phalanges of 2-5
A: extend 2-5th fingers (metacapophalangeal and interphalangeal jt)
assist extend radiocarpal
*extensor tendons- lateral epicondylitis is tennis elbow (spelling is probably wrong)
Anconeus
O: lateral epicondyle of humerus
I: olecranon process and posterior, proximal surface of ulna
A: extend (weak) humeroulnar jt
Extensor Indicis
O: posterior surface of distal shaft of ulna and interosseous membrane (p.162)
I: tendon of extensor digiforum at the level of the second metacarpal
A: extend 2nd finger (metacarpophangeal)
adduct 2nd finger
may assist extend radiocarpal jt
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