Actions of the lumbricals are-
Ans. is 'b' i.e., Flexion at metacarpophalangeal and extension at PIP joints Action of small muscles in handLumbricalsFlexion at metacarpophalangeal(MCP) and extension at PIP jointsDorsal InterosseiAbduction of fingersPalmar InterosseiAdduction of fingers
Flexion at PIP and extension at DIP joints
Flexion at metacarpophalangeal and extension at PIP joints
Adduction of fingers
Abduction of fingers
Upper Extremity