hand and wrist joint Flashcards

1
Q

what are the carpal bones of the wrist?

A
scaphoid
lunate
triquetrum
pisiform
trapezium
trapezoid
capitate
hamate
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2
Q

which bone is not involved in the wrist joint?

A

the ulna

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3
Q

which bones are involved in the wrist joint?

A

the radius and the carpal bones

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4
Q

which nerves control wrist flexion?

A

median and ulnar nerves

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5
Q

which nerves control wrist extension?

A

radial nerve

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6
Q

what structures pass through the carpal tunnel?

A

median nerve
flexor polices longus
flexor digitorum superficialis
flexor digitorum profundus

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7
Q

the ulnar nerve supplies all intrinsic muscles of the hand except?

A

the 1st and 2nd thenar muscles

and the lumbrical which are supplied by the median nerve

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8
Q

what are the symptoms of carpel tunnel syndrome?

A

pins and needles
weakness of thumb
muscle atrophy in thenar region
inability to oppose thumb

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9
Q

what passes though the guyon’s canal?

A

ulnar nerve and artery

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10
Q

what does compression of ulnar nerve at the wrist result in?

A

clawing of the 4th and 5th fingers

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11
Q

what can tenderness of the anatomical snuffbox indicate/

A

scaphoid wrist fracture - results from FOOSH

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12
Q

what is colle’s fracture?

A

fracture of the distal end of radius - most common in old people due to osteoporosis
FOOSH

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