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Radial nerve dysfunction is a problem associated with the radial nerve resulting from injury consisting of acute trauma to the radial nerve. The damage has sensory consequences, as it interferes with the radial nerve 's innervation of the skin of the posterior forearm, lateral three digits, and the dorsal surface of the lateral side of the palm.
Radial neuropathy is a type of mononeuropathy which results from acute trauma to the radial nerve that extends the length of the arm. [3] It is known as transient paresthesia when sensation is temporarily abnormal.
The radial nerve gives out muscular branches to supply the long head, medial head, and lateral head of triceps brachii muscles before and during its course in the radial sulcus. After it emerges out from the radial sulcus, it supplies the brachialis , brachioradialis and extensor carpi radialis longus .
The radial nerve is commonly compressed within a 5 cm region near the elbow, but it can be compressed anywhere along the forearm if the syndrome is caused by injury (e.g. a fracture that puts pressure on the radial nerve). [3] The radial nerve provides sensation to the skin of posterior arm, posterior and lateral forearm and wrist, and the ...
Tight fitting handcuffs can compress the superficial branch of the radial nerve, known by several names such as Cheiralgia paresthetica, Wartenberg's syndrome, and handcuff neuropathy. [21] The use of a thick wallet in the rear pocket can compress the sciatic nerve when sitting. [22] Nerve compression can be secondary to other medical conditions.
The use of a nerve decompression or neurectomy to treat nerve pain along the lateral femoral cutaneous nerve is a firmly established surgical treatment. [ 24 ] [ 25 ] However, the more effective treatment between a decompression and neurectomy is still being researched.
Cheiralgia paraesthetica (Wartenberg's syndrome) is a neuropathy of the hand generally caused by compression or trauma to the superficial branch of the radial nerve. [1] [2] The area affected is typically on the back or side of the hand at the base of the thumb, near the anatomical snuffbox, but may extend up the back of the thumb and index finger and across the back of the hand.
Objective sensory symptoms are generally minimal in regards to touch, pain, heat, and cold. [1] In cases of motor neuron neurapraxia, symptoms consist of flaccid paralysis of the muscles innervated by the injured nerve or nerves. [2] Symptoms are often transient and only last for a short period of time immediately following the injury.