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Palmaris brevis

Other Terms: Musculus palmaris brevis, Muscle court palmaire

Muscle parts

None

Latin name

Musculus palmaris brevis

Latin muscle parts

None

Group

Hand muscle – hypothenar group

Etymology

The English name for this muscle is the short muscle on the flat of the hand. The word palmaris is from the Latin palma for “the flat of the hand.” Brevis is the Latin term meaning “short.” This is being used as a comparative reference to a longer muscle that does the same thing.

Origin

Flexor retinaculum and the medial aspect of palmar aponeurosis.

Insertion

Dermis on the ulnar side of the hand.

Action

Helps with gripping by elevating the hypothenar aspect of the hand and wrinkles the skin over this region.

Nerve supply

Ulnar nerve (C8 and T1)

Blood supply

The muscle is supplied by small branches from the ulnar side of the superficial palmar arch.

Latin

Musculus palmaris brevis

French

Muscle court palmaire

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