Small Lumbrical


Origin: adjacent surfaces of the ring and small flexor digitorum profundus tendons

Insertion: the ring finger radial digital extensor mechanism along with the tendon of the second palmar interosseous

Function: flexes the small finger MCP joint and extends the PIP and DIP joints

Nerve: Motor Branch of Ulnar Nerve

Artery: Deep Palmar Arch Superficial Palmar Arch

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