Action of Lumbricals is
Action of Lumbricals is Flexion at Metacarpo - phalangeal joint and extension at Interphalangeal joint.
Flexion at Metacarpo - Phalangeal joint and flexion at Interphalangeal joint
Extension at Metacarpo - Phalangeal joint and extension at Interphalangeal joint
Flexion at Metacarpo - Phalangeal joint and extension at Interphalangeal joint
Extension at Metacarpo - Phalangeal joint and flexion at  Interphalangeal joint