anatomy of hand Flashcards
the most distal part of the upper limb ?
hand
hand perform complex action eg?
writing
playing piano
holding spoon and folk
major contributors of the motion of the hand ?
interinsic muscles which are hand muscles
extrinsic muscles which are forearm muscles
PAD
palmar interossei muscles act as adductors
DAB
dorsal interossei muscles act as abductors
the motor/sensory ////////is a topographic representation of the body parts in the brain
homunculus
occupies a very large area on the brain especially the
hand /thumb
the most important digit
thumb
palmar skin
little mobility
arising from terminal end of palmaris longus
palmar aponeurosis
tendon sheath composed of
and its function
fibrous membrane
synovial membrane
it membrane that covers a tendon
allowing them tp glide smoothly during movement
to reduce friction between the tendon and their surrounding structure
palmar aponeurosis becomes abmormally thick
dupuytren’s contracture and little ring ginfers get effected
by time decreases a person ability to hold objets