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20 Μαΐ 2024 · The radial nerve is a major peripheral nerve of the upper limb. In this article, we shall look at the applied anatomy of the nerve - its anatomical course, motor functions and cutaneous innervation. We shall also consider the clinical correlations of damage to the radial nerve.
29 Απρ 2023 · Radial nerve. Anatomy, distribution and function of the radial nerve. The radial nerve is the largest nerve of the upper limb. It originates as the terminal branch of the posterior cord of the brachial plexus. The radial nerve arises in the axillary region and descends down along the posterior surface of the humerus.
29 Οκτ 2019 · Radial nerve originates from the posterior cord of the brachial plexus (C5-T1) behind axillary artery. Course. Posterior wall axilla. courses on the posterior wall of the axilla (on subscapularis, latissimus dorsi, teres major) 3 Branches in axilla. posterior cutaneous nerve of the arm. branch to long head of triceps.
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.
The deep branch of the radial nerve or posterior interosseous nerve, is entirely motor. It begins anterior to the lateral epicondyle of the humerus and enters the posterior compartment of the forearm through the two heads of supinator where it curves around the lateral and posterior surfaces of the radius.
The radial nerve and its branches provide motor innervation to the dorsal arm muscles (the triceps brachii and the anconeus) and the extrinsic extensors of the wrists and hands; it also provides cutaneous sensory innervation to most of the back of the hand, except for the back of the little finger and adjacent half of the ring finger (which are ...
The radial nerve is a mixed nerve that carries both motor and sensory innervation. The motor branches of the radial nerve innervate the long and medial heads of triceps brachii muscle, anconeus muscles, brachialis (lateral half), brachioradialis, and extensor carpi radialis longus muscles.
