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Comprehensive anatomy of wrist and hand and common sites of injury. Palmar and extensor neurovasculature. The origin, course, distribution, and anastomosis of the branches of the major vessels that supply/drain the hand (superficial and deep palmar arches) and fingers (digital branches).
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5 lip 2023 · The superficial branch of the ulnar nerve supplies sensory innervation to the anterior aspect of the ulnar 1½ digits (little finger and half of the ring finger) and medial palmar skin. Additionally, it provides motor innervation to the palmaris brevis muscle in the hypothenar region of the hand.
13 lis 2023 · The hand itself consists of specific bones onto which various muscles are attached, and a collection of neurovascular structures responsible for drainage and innervation. However, the intrinsic muscles of the hand are only partially responsible for all its range of motion.
6 dni temu · Five major nerves extend from the brachial plexus into the arm: the axillary, musculocutaneous, median, radial, and ulnar nerves. Each of these nerves carries information in the form of nerve impulses to and from a particular region of the arm and hand.
21 sty 2014 · The document provides an overview of the anatomy of the hand. It describes the 27 bones in the hand and wrist, including the carpals, metacarpals, and phalanges. It outlines the extrinsic muscles that flex and extend the wrist and digits, as well as the intrinsic muscles of the hand including the thenar, hypothenar, lumbricals, and interossei ...
27 wrz 2024 · Innervation: The lateral two lumbricals (of the index and middle fingers) are innervated by the median nerve. The medial two lumbricals (of the little and ring fingers) are innervated by the ulnar nerve.
