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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.
20 Μαΐ 2024 · A terminal branch of the radial nerve, the deep branch, innervates the remaining muscles of the posterior forearm. As a generalisation, these muscles act to extend at the wrist and finger joints, and supinate the forearm.
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.
In the forearm the nerve powers all the muscles that straighten the wrist and fingers. Radial nerve injury can lead to wrist drop – the inability to straighten the wrist. The radial nerve also provides sensation to the thumb side of the back of the hand. Median nerve
5 Νοε 2023 · The radial nerve is a peripheral nerve supplying specific parts of the arm, forearm, wrist, and hand (see Image. Posterior Upper Extremity Nerves). This nerve has both motor and sensory functions.
Your radial nerve is a peripheral nerve that supplies movement and sensory function to parts of your arm, forearm, wrist and hand. You have a radial nerve in each of your arms. It’s called “radial” because part of it runs alongside the radius bone (and the radial artery) in your forearm.
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 ...
