Anatomy Flashcards
Abductor pollicis brevis
nerve: median
function: palmar abduction
Opponens pollicis
nerve: median
function: thumb opposition
flexor pollicis brevis: superficial head
nerve: median
function: thumb MCP flexion
(deep head innervated by ulnar nerve)
Lumbricals (radial side)
nerve: median
function: MCP flexion and extension of IP joints of digits II and III
Abductor digiti minimi
nerve: ulnar
function: abduction of digit V
opponens digiti minimi
nerve: ulnar
function: opposition of digit V
flexor digiti minimi
nerve: ulnar
function: flexion of MCP of digit V and opposition of digit V
Adductor
nerve: ulnar
function: adducts CMC joint of thumb
lumbricals (ulnar side)
nerve: ulnar
function: MCP flexion and extension of IP joints of digits IV and V
palmar interossei
nerve: ulnar
function: adduction and assistance with MCP flexion and extension of IP joints of digits II through V
dorsal interossei
nerve: ulnar
function: abduction and assists with MCP flexion and extension of IP joints of digits II through V
flexor digitorum superficialis
extrinsic muscle of the hand
nerve: median
function: flexion of PIP joints
flexor digitorum profundus (M)
extrinsic muscle of the hand
nerve: median
function: flexion of DIP joints to digits II and III
flexor pollicis longus
extrinsic muscle of the hand
nerve: median
function: flexion of IP joint of thumb
flexor digitorum profundus (U)
extrinsic muscle of the hand
nerve: ulnar
function: flexion of DIP joints to digits IV and V
extensor digitorum communis
extrinsic extensor muscle of the hand
nerve: radial
function: extension of MCP joints and contributes to extension of the IP joints
Extensor digiti minimi
extrinsic extensor muscle of the hand
nerve: radial
function: extension of the MCP joint of digit V, contributes to the extension of the IP joints
extensor indicis proprius
extrinsic extensor muscle of the hand
nerve: radial
function: extension of the MCP joint of digit II and contributes to extension of the IP joints
extensor pollicis longus
extrinsic extensor muscle of the hand
nerve: radial
function: extension of the IP joint of the thumb
extensor pollicis brevis
extrinsic extensor muscle of the hand
nerve: radial
function: extension of MCP and CMC joints of thumb