Function of the lumbricals is -
Ans. is 'a' i.e., Flexion at MCP joint MuscleNerve supplyActionLumbricals (4)First and second: Median nerve; Third and fourth: Deep branch of ulnar nerve.Flex the MP joints & extend the IP joints of the fingers.Palmar interossei (4)Deep branch of ulnar nerve.Adducts digits, flex the MP joints and extends the IP joints.Dorsal interossei (4)Deep branch of ulnar nerve.Abducts fingers, flex MP joints and extends IP joints.
Flexion at MCP joint
Flexion at IP joints
Adduction of the fingers
Abduction of the fingers
Upper Extremity