Muscles of the hypothenar eminence

These are three in number - the abductor mmimi digiti, the opponens mmimi ligiti, and the flexor brevis minimi digiti. They lie under cover of the thin internal division of the palmar fascia.

The abductor minimi digiti - named from its action - is fusiform and somewhat flattened.

The opponens minimi digiti (= flexor ossis metacarpi minimi digiti) - named from its action - is a triangular fanshaped sheet.

The flexor brevis minimi digiti- named from its action - is small and fusiform.

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