hand and wrist joint Flashcards
what are the carpal bones of the wrist?
scaphoid lunate triquetrum pisiform trapezium trapezoid capitate hamate
which bone is not involved in the wrist joint?
the ulna
which bones are involved in the wrist joint?
the radius and the carpal bones
which nerves control wrist flexion?
median and ulnar nerves
which nerves control wrist extension?
radial nerve
what structures pass through the carpal tunnel?
median nerve
flexor polices longus
flexor digitorum superficialis
flexor digitorum profundus
the ulnar nerve supplies all intrinsic muscles of the hand except?
the 1st and 2nd thenar muscles
and the lumbrical which are supplied by the median nerve
what are the symptoms of carpel tunnel syndrome?
pins and needles
weakness of thumb
muscle atrophy in thenar region
inability to oppose thumb
what passes though the guyon’s canal?
ulnar nerve and artery
what does compression of ulnar nerve at the wrist result in?
clawing of the 4th and 5th fingers
what can tenderness of the anatomical snuffbox indicate/
scaphoid wrist fracture - results from FOOSH
what is colle’s fracture?
fracture of the distal end of radius - most common in old people due to osteoporosis
FOOSH