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29 Απρ 2023 · The branches of the radial nerve provide motor supply for the posterior muscles of the arm and forearm, as well as the sensory supply of the skin of the arm, forearm and hand. Due to its length, the radial nerve is the most commonly injured nerve of the upper extremity.
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.
9 Οκτ 2023 · The radial nerve is one of the major peripheral nerves of the upper limb and is crucial for both sensory and motor functions. It originates from the posterior cord of the brachial plexus and primarily innervates the extensor muscles of the forearm.
5 Νοε 2023 · The sensory branches supply the skin on the anterolateral arm, distal posterior arm, posterior forearm, and posterolateral wrist and hand areas. The radial nerve's distribution diminishes lateromedially from the thumb to the ring finger.
Your radial nerve takes a winding path from your lower armpit to some of your fingers. It allows you to move muscles and feel skin sensations in certain parts of your upper arm, forearm, wrist and hand. Like other peripheral nerves in your body, your radial nerve can become damaged, causing symptoms like pain and muscle weakness.
The branches of the radial nerve are muscular, cutaneous, superficial, deep. The muscular branches (rami musculares) supply the Triceps brachii, Anconæus, Brachioradialis, Extensor carpi radialis longus, and Brachialis, and are grouped as medial, posterior, and lateral.
20 Ιουλ 2023 · The radial nerve provides information to the muscles of the back of the arm and forearm about when to contract. Specifically, the triceps muscle in the back of the arm and the extensor muscles of the back of the forearm are the major muscle groups that are supplied by the radial nerve.
