Extensor digiti minimi muscle

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Description:

Origin:
Lateral epicondyle of humerus via a thin tendinous slip to common extensor tendon

Insertion:
Tendon divides into two distally and both tendons join the extensor expansion of the little finger with the extensor digitorum

Actions:
Extends the little finger

Nerve supply:
Radial nerve

Blood supply:
Branches of the radial and ulnar arteries