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13 Νοε 2023 · Nerves. Median nerve and its branches (common and proper palmar digital nerves) predominantly supply the thenar muscles. Radial nerve provides cutaneous innervation along the outside of the thumb. Ulnar nerve and its branches (superficial, deep and dorsal) innervate the hypothenar and metacarpal groups.
- Carpal Bones
The carpal bones (i.e. carpus) are eight irregularly-shaped...
- Carpal Bones
6 ημέρες πριν · Five major nerves extend from the brachial plexus into the arm: the axillary, musculocutaneous, median, radial, and ulnar nerves. Each of these nerves carries information in the form of nerve impulses to and from a particular region of the arm and hand.
8 Οκτ 2024 · The dorsal branch of the ulnar nerve arises approximately 5cm proximal to the wrist joint. It travels posteriorly, passing underneath the flexor carpi ulnaris. It then pierces the deep fascia to enter the dorsal and ulnar aspect of the hand.
12 Ιουν 2023 · Hand and wrist anatomy. The parts that make up your hand and wrist are layered upon each other to form a three-dimensional shape that gives them the ability to move and function. Your hand and wrist are made of: Bones. Muscles. Nerves. Tendons. Ligaments. Blood vessels (arteries and veins). Lymphatic vessels.
7 Ιουν 2016 · C and D, Extensor tendon anatomy, dorsal innervations, and dorsal interosseous muscle anatomy. Note: The extensor indicis proprius and extensor digiti minimi lie ulnar to the extensor digitorum communis (EDC) tendons at the level of the metacarpophalangeal joint.
The nerve powers almost all of the small muscles in the hand including the hypothenar muscles, the lumbricals to the ring and small finger, the palmar and dorsal interossei muscles, the adductor pollicus, and the deep head of the flexor pollicus brevis.
All of the nerves that travel to the hand and fingers begin together at the shoulder: the radial nerve, the median nerve, and the ulnar nerve. These nerves carry signals from the brain to the muscles that move the arm, hand, fingers, and thumb.
