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1st and 2nd Lumbricals

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1st and 2nd Lumbricals:

Proximal Attachment - Lateral two tendons of flexor digitorum profundus

Distal Attachment - Lateral sides of extensor expansions of 2nd-5th digits

Innervation - Median nerve

Action - Flex metacarpophalangeal joints; extend interphalangeal joints of 2nd-5th digits

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