Muscle
Flexor digiti minimi brevis (hand)
Hypothenar — flexes little finger
High-yield
Hypothenar; flexes MCP of the 5th digit. Ulnar nerve.
Overview
A hypothenar muscle flexing the little finger at the MCP joint. Deep branch of the ulnar nerve.
Reference facts
- Origin
Hook of the hamate and flexor retinaculum
- Insertion
Medial base of the proximal phalanx of the little finger
- Action
Flexes the MCP joint of the little finger
- Innervation
Deep branch of the ulnar nerve (C8, T1)
- Blood supply
Deep palmar arch