Extensor Digiti Minimi

Origin: Lateral epicondyle of the Distal humerus, the common forearm extensor origin, and the forearm extensor intermuscular septa

Insertion: Extensor mechanism and the dorsal base of the small finger Proximal Phalanx

Function: Extends the small MCP and PIP joints, and extends the CMC joint when these joints are flexed.

Nerve: Posterior Interosseous Nerve

Artery: Posterior Interosseous artery

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Links to this page: Abductor Digiti Minimi | Alphabetical Muscle Index | Brachial Plexus Lower Trunk Posterior Division | Brachial Plexus Lower Trunk | Brachial Plexus Middle Trunk Posterior Division | Brachial Plexus Middle Trunk | Brachial Plexus Posterior Cord | C7 Root Shared Muscle Innervation | C7, C8 roots | C8 Root Shared Muscle Innervation | Common forearm extensor origin | Distal humerus | Dorsal Forearm muscles: Superficial Group | Extensor Digiti Minimi Tendons | Forearm extensor intermuscular septa | Muscles Innervated by the Posterior Interosseous Nerve | Muscles which produce interphalangeal joint extension | Muscles which produce MCP joint extension | Nerve route to Extensor Digiti Minimi | Phalangeal joint Movement MCP, PIP, DIP, IP | Posterior Interosseous artery | Small Carpometacarpal Joint | Small Distal Interphalangeal Joint | Small Metacarpophalangeal Joint | Small Middle Phalanx | Small Proximal Interphalangeal Joint | Small Proximal Phalanx |