Insertion: base of proximal phalanx of first digit
, Abductor Pollicis Longus correct answers Origin: middle 1/3 of posterior radius, interosseous
membrane, midportion
on posterolateral ulna
Insertion: radial side, base first metacarpal
Adductor Pollicis correct answers Origin:
-oblique head: capitate and base of 2nd and 3rd metacarpals
-transverse head: shaft of 3rd metacarpal
Insertion: base of proximal phalanx of thumb
Anconeus correct answers Origin: lateral epicondyle of humerus
Insertion: lateral olecranon and upper ulna
Biceps Brachii correct answers Origin:
-short head: coracoid process of scapula
-long head: supraglenoid tubercle of scapula
Insertion: tuberosity of radius
Brachialis correct answers Origin: lower 1/2 of humerus and intermuscular septa
Insertion: coronoid process of ulna
Brachioradialis correct answers Origin: lateral supracondylar ridge of humerus
Insertion: base of styloid process of radius
Coracobrachialis correct answers Origin: coracoid process of scapula
Insertion: medial side of humerus at midshaft
Deltoid correct answers Origin: clavicle, acromion, and scapular spine
Insertion: deltoid tuberosity of humerus
Dorsal Interosseous (hand) correct answers Origin: four muscles, each from two metacarpal
shafts
Insertion: base of proximal phalanx
and extensor expansion on
lateral side of 2nd digit, lateral
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