WEEK 5 MCQs Flashcards
all muscles of the thenar group of the hand have a nerve supply from which nerve
recurrent branch of the median nerve
what is the bony origin of the transverse head of adductor pollicis
3rd metacarpal
adjacent to what bone/joint feature of the fingers is the first annular pulley located in the fibrous flexor tunnels
??
which is the most superficial of the thenar group muscles
abductor pollicis brevis
what are the actions of the lumbrical muscles
flex the fingers at the metacarpophalangeal (MCP) joints, and extend them at the interphalangeal (IP) joints
what nerve is sensory to the skin of the palm over the thenar eminence
palmar cutaneous branch of the median nerve
what are the actions of the palmar interossei muscles of the hand
Adduct fingers towards centre of third digit or middle finger. Flex metacarpophalangeal joint while extending interphalangeal joints.
what are the actions of the dorsal interossei muscles of the hand
abduction + extension of fingers
in which layer of the hand is the superficial palmar arterial arch artery located
??
through what special region does the radial artery pass into the hand
anatomical snuffbox
what nerve supplies the bipennate lumbricals
deep branch of ulnar
what spinal roots supply intrinsic muscles of the hand
??
which artery usually provides direct branches to the thumb + index finger
radial
what term best describes the deep veins of the forearm
venae commitantes
what finger tendons are most at risk in palmar wrist laceration injuries
?
