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Corpus: Palmaris brevis muscle

from latin: palma - palm; brevis - short

1. Definition

The palmaris brevis muscle is a short, square muscle that belongs to the hypothenar muscles of the hand and is located immediately beneath the skin of the hypothenar eminence.

2. Anatomy

2.1. Origin

The muscle originates from the ligament structures of the flexor retinaculum and the palmar aponeurosis.

2.2. Insertion

The muscle radiates into the skin on the ulnar side of the palm.

3. Innervation

The innervation of the palmaris brevis muscle is provided by the superficial branch of the ulnar nerve from the brachial plexus (segments: C8 and Th1). The palmaris brevis is the only muscle innervated by the superficial branch.

4. Function

The palmaris brevis muscle tightens the skin over the hypothenar eminence.

Stichworte: Corpus, Hand, Muscle
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Dr. rer. nat. Fabienne Reh
DocCheck Team
Dr. Frank Antwerpes
Arzt | Ärztin
Diese Funktion steht nur eingeloggten Abonnenten zur Verfügung
Letzter Edit:
19.03.2024, 17:28
15 Aufrufe
Nutzung: BY-NC-SA
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