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Finger Joints Each finger consists of a metacarpal and three phalanges (diagram 2). The length of the fingers varies as do the phalanges to allow the tips to converge in full grip. Metacarpophalangeal Joint (MCP joint) This joint lies between the metacarpal head and proximal phalanx base. These condyloid joints allow flexion, extension,
17 paź 2022 · Three independent nerves supply the cutaneous innervation of the hand (see Image. Hand Cutaneous Innervation). From lateral to medial, these nerves include the superficial branch of the radial, median, and ulnar nerve. These peripheral nerves originate from the C5 to T1 levels of the spinal column.
13 lis 2023 · Cutaneous innervation: Lateral ⅔ of dorsum of hand; dorsal proximal ⅔ of lateral 3 ½ digits The following learning resources will explain everything you need to know about the innervation of the hand, as well as its origins.
•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.
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 .
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.
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.
