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The tendons connect muscles in the arm or hand to the bone to allow movement. In addition, there are arteries, veins and nerves within the hand that provide blood flow and sensation to the hand and fingers.
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.
17 paź 2022 · The cutaneous innervation of the hand is formed primarily by the terminal branches of 3 nerves: the median, radial, and ulnar. The brachial plexus forms These nerves proximally, which arise from the cervical root levels C5 to T1.
5 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.
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.
Each dot in the drawings of the hand represents a single sensory unit innervating the skin area. Histograms give the density of innervation in the following three skin regions: the tip of the finger, the rest of the finger, and the palm. Reprinted from Vallbo & Johansson, 1984, with permission of Springer-Verlag.
16 gru 2015 · An overview of hand anatomy including the bones of the hand, the muscles of the hand, the blood supply of the hand and the innervation of the hand.
