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Purpose: The objective of the present review is to assemble the recognized anatomical variations, classifications, and clinical evidence with regard to innervation of the hand and discuss the clinical significance of these variations.
19 lip 2017 · The objective of the present review is to assemble the recognized anatomical variations, classifications, and clinical evidence with regard to innervation of the hand and discuss the clinical significance of these variations.
13 lis 2023 · This plexus is formed from the combination of the anterior rami of the spinal nerves C5-T1 and is responsible for motor and sensory innervation of the upper limb. The important nerves from the brachial plexus that innervate the hand and wrist are the median, ulnar, and radial nerves:
Median nerve—normal anatomy. The median nerve enters the hand through the carpal tun-nel. Usually, the Palmar Cutaneous Branch of the median nerve (PCBM) branches off just prior to the carpal tunnel [15]. After exiting the carpal tunnel the median nerve divides into medial and lateral branches.
5 lip 2023 · It is a mixed nerve and provides motor innervation to various muscles of the forearm and hand as well as sensory supply to the skin of the hand. The ulnar nerve can broadly be described as the nerve of the hand, as it innervates the vast majority of the intrinsic hand muscles.
The RCA is a motor anastomosis, and facilitates the Ulnar nerve innervation of the thenar muscles [9, 11, 25, 69, 70]. It has a reported prevalence of 19 – 77% [2, 28, 57, 70]. Yang et al recently noted an incidence of bilateral RCAs in 31% of dissected hands, and a unilateral RCA in 38%.
30 lip 2023 · The radial nerve in the antecubital fossa divides into the superficial (sensory) radial nerve, which emerges on the radial side of the hand, and the deep (motor) branch. The superficial (sensory) branch supplies the dorsum of the hand on the radial side.
