The flashcards below were created by user
mfawcett
on FreezingBlue Flashcards.
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Brachioradialis
- - Upper 2/3 of lateral supracondylar ridge
- --> Radial styloid process
- - Radial nerve
- - Flexes forearm midway between pronation and supination
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Extensor carpi radialis longus
- - Lateral supracondylar ridge
- --> Base of dorsal aspect of 2nd metacarpal
- - Radial nerve
- - Extend and abduct wrist
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Extensor carpi radialis brevis
- - CEO
- --> Base of dorsal aspect of 3rd metacarpal
- - Posterior interosseous nerve
- - Extends and abducts wrist
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Extensor digitorum communis
- - CEO
- --> forms 4 tendons that form the dorsal expansions of the fingers - central part goes to the distal phalanx
- - Posterior interosseous nerve
- - Extends fingers, extends wrist
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Extensor digiti minimi
- - CEO
- --> medial aspect of dorsal expansion of little finger
- - Posterior interosseous nerve
- - Extends little finger
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Extensor carpi ulnaris
- - CEO and subcutaneous border of ulna
- --> Base of 5th metacarpal
- - Posterior interosseous nerve
- - Extends or adducts wrist
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Supinator
- - Supinator crest of ulna, area just distal to radial notch, - Oblique superficial fibres - posterior aspect of lateral epicondyle, lateral and anular ligaments
- --> Lateral aspect of proximal shaft of radius
- - Posterior interosseous nerve
- - Supinates radius esp when elbow is extended
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Abductor pollicis longus
- - Proximal part of posterior ulna, interosseous membrane, mid-portion of radius
- --> lateral aspect of base of thumb metacarpal
- - Posterior inteosseous nerve
- - Extends thumb, abducts wrist
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Extensor pollicis brevis
- - Posterior radius distal to AbPL and interosseous membrane
- --> base of proximal phalanx of thumb
- - Posterior interosseous nerve
- - Extends thumb at carpometacarpal joint
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Extensor pollicis longus
tendon goes?
- - Dorsum of ulna distal to AbPL, interosseous membrane
- --> Base of distal phalanx of thumb
- - Tendon goes around Lister's tubercle
- - Posterior interosseous nerve
- - Extends metacarpophalangeal and interphalanageal joints of thumb, weak extensor of wrist
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Extensor indicis
- - Posterior aspect of ulna and interosseous membrane, distal to thumb extensors
- --> Medial side of dorsal expansion of index finger
- - Posterior interosseous nerve
- - Extends index finger
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