Human Anatomy: Muscle Groups

Human Anatomy

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Muscle Function & Other Pertinent Medical Information
ORIGIN: Four tendons of flexor digitorum profundus. Radial 2: radial side only (unipennate). Ulnar 2: cleft between tendons ( bipennate)
INSERTION: Extensor expansion (dorsum of proximal phalanx ) of fingers 2-5 radial side
ACTION: Flex metacarpophalangeal joints and extend interphalangeal joints of fingers
NERVE: Lateral 2: median nerve (C8, T1). medial 2: deep branch of ulnar nerve (C8, T1)

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