Anatomy Action of Lumbricals is A Flexion at Metacarpo - Phalangeal joint and flexion at Interphalangeal joint B Extension at Metacarpo - Phalangeal joint and extension at Interphalangeal joint C Flexion at Metacarpo - Phalangeal joint and extension at Interphalangeal joint D Extension at Metacarpo - Phalangeal joint and flexion at Interphalangeal joint 💡 Explanation Action of Lumbricals is ✓ Correct Answer: C. Flexion at Metacarpo - Phalangeal joint and extension at Interphalangeal joint