Finger Flexors Flashcards
name the Finger Flexors
Flexor Digitorum Superficialis, Flexor Digitorum Profundus, Lumbricals, flexor digiti minimi brevis.
Flexor Digitorum Superficialis origin
medial epicondyle of humerus via common flexor tendon, ulnar collateral lig, medi. part of coronoid process, upper 2/3rds of ant. border of radius
Flexor Digitorum Superficialis insertion
palmar surface base of middle phalanx of all fingers
Flexor Digitorum Superficialis nerve supply
median nerve C7,8 & T1
Flexor Digitorum Superficialis action
flexes PIP & MCP joints of 4 fingers and wrist
Flexor Digitorum Superficialis function
gripping
Flexor Digitorum Profundus origin
med. side of coronoid process, upper 3/4s ant. & med. surfaces of ulna, middle 1/3 ant. surface interosseous membrane, posterior border of ulna via aponeurosis
Flexor Digitorum Profundus insertion
palmar surface base distal phalanx of all fingers
Flexor Digitorum Profundus nerve supply
index & middle fingers: ant. interosseous branch of median nerve c7,8 & T1
little & ring fingers: ulnar nerve C8 & T1
Flexor Digitorum Profundus action
flexes proximal and distal interphalangeal joints & wrist
Flexor Digitorum Profundus function
gripping
Lumbricals origin
lat. side of flexor digitorum profundus tendons
Lumbricals insertion
let. edge dorsal digital expansion of same finger
Lumbricals nerve supply
Lateral 2: median nerve T1
medial 2: ulnar nerve T1
Lumbricals action
flex mcp joint
