term1 Definition1term2 Definition2term3 Definition3
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Supinator
Origins:
Lateral epicondyle of humerus, annular ligament of proximal radioulnar joint, ulna
Insertions:
Neck and shaft of radius
3 origins, 2 insertions
Abductor Pollicis Longus
Posterior surface of shaft of radius and ulna
Base of 1st metacarpal bone
2 origins( Combination of EPL and EPB origins) , 1 insertion
Extensor Pollicis Brevis
Origin:
Posterior surface of shaft of radius
Insertion:
Base of proximal phalanx of thumb
1 origin(opposite of EPL), 1 insertion
Extensor Pollicis Longus
Posterior surface of shaft of ulna
Base of distal phalanx of thumb
1 origin(opposite of EPB), 1 insertion
Extensor Indicis
Extensor expansion of index finger
1 origin(same as EPB), 1 insertion
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