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7 maj 2024 · The palmar aponeurosis is a strong thickening of the central part of the deep fascia of the palm. Function. Improves grip of hand, protects flexor tendons and underlying neurovascular structures. Learn more about the hand and its intricate anatomy in the following study unit: Muscles of the hand Explore study unit.
The palmar fascia of the hand forms the muscular fascia overlying the thenar and hypothenar muscles. It bends medially with the palmar aponeurosis, proximally with the flexor retinaculum, and laterally with the dorsal fascia of the hand.
Function. Gives firm attachment to the skin of the palm to improve grip. Protects underlying tendons, vessels and nerves [2] [3] Clinical relevance. Thickening and contraction due to inflammation of the ulnar side of the aponeurosis leads to Dupuytren's contracture.
The palmar aponeurosis (palmar fascia) invests the muscles of the palm, and consists of central, lateral, and medial portions.
Function. The palmar aponeurosis acts as the insertion point for the tendon of palmaris longus and is the origin point for palmaris brevis. The transverse fibers support the webs between the fingers. As it attaches to the skin, it improves the grip of the hand and helps protect the under-lying tendons.
The palmar aponeurosis (palmar fascia) invests the muscles of the palm, and consists of central, lateral, and medial portions. The central portion occupies the middle of the palm, is triangular in shape, and of great strength and thickness.
The palmar fascia shows continuity with the fascia antebrachii and the dorsal surface fascia of the hand. While the palmar fascia is thin in the thenar and hypothenar regions, it thickens in the center to form the fibrous palmaraponeurosis.
