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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 · 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.
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.
Motor function of the triceps are usually preserved as they are innervated superiorly whereas wrist and digit extensors are often paralysed leading to the dropped wrist deformity. [1] A loss of synergic action between wrist flexors and extensors causes excessive and unwanted wrist flexion.
11 Απρ 2024 · The function of your radial nerve is to supply movement (motor) and sensory information between your brain and parts of your arm, wrist and hand. The motor branch of your radial nerve stimulates the: Triceps muscles on the back of your upper arm to straighten your elbow.
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 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 ...
