Wrist Radial Deviation Flashcards

1
Q

Flexor carpi radialis

A

O: medial epicondyle via common flexor tendon

I: front of base of second and third

D:

A: flexes and abducts wrist

N: median (C6,7)

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2
Q

Extensor carpi radialis longus

A

O:lower third of lateral supracondylar ridge of humerus, intermuscular septa

I: posterior surface of base of second metacarpal

D:

A: extends and adducts wrist

N: radial nerve (C6,7)

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3
Q

Extensor carpenter radialis brevis

A

O: lateral epicondyle via common extensor tendon

I: posterior surface of base of third metacarpal

D:

A: extends and abducts wrist

N: posterior interosseous branch of radial nerve (C7,8)

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4
Q

Abductor pollicis longus

A

O: upper part of posterior surface of ulna, middle third of posterior surface of radius, interosseous membrane

I: radial side of first metacarpal base, trapezium

D:

A: abducts and extends thumb, abducts wrist

N: posterior interosseous nerve (C7,8)

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5
Q

Extensor pollicis longus

A

O: middle third of posterior surface of ulna, interosseous membrane

I: dorsal surface of distal phalanx of thumb

D:

A: extends thumb and wrist, abducts wrist

N: posterior interosseous nerve (C7,8)

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6
Q

Extensor pollicis brevis

A

O: posterior surface of radius, interosseous membrane

I: dorsolateral base of proximal phalanx of thumb

D:

A: extends thumb and wrist, abducts wrist

N: posterior interosseous nerve (C7,8)

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