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The human hand is made up of the wrist, palm, and fingers and consists of 27 bones, 27 joints, 34 muscles, over 100 ligaments and tendons, and many blood vessels and nerves. The hands enable us to perform many of our daily activities such as driving, writing and cooking.
The proximal and distal IP joints are very much alike. They’re different from the MP joints in that they only allow flexion, and extension. The head of the phalanx is curved mainly from front to back, with a slight depression in the middle.
13 lis 2023 · Recommended video: Bones of the wrist and hand [23:54] Overview of the bones of the hand and wrist. Hand (dorsal view) The human hand, the most distal part of the upper limb, is a remarkable feat of engineering and evolution.
30 paź 2023 · The interphalangeal joints of the hand are synovial hinge joints that span between the proximal, middle, and distal phalanges of the hand. In digits 2-5 these joints can be further classified based on which bones are involved.
The carpal bones articulate with each other to form the intercarpal joints. The distal row of carpal bones articulates with the next group of bones of the hand – the metacarpal bones – at the carpometacarpal joints. These bones can be numbered from 1 to 5, from lateral to medial as we can see here.
6 lut 2024 · Each finger comprises three small bones called phalanges, which give the finger its shape and strength. These bones are connected by joints and surrounded by a network of muscles, tendons, and ligaments, which allows smooth and coordinated movement.
The three phalanges in each finger are separated by two joints, called interphalangeal joints (IP joints). The one closest to the MCP joint (knuckle) is called the proximal IP joint (PIP joint). The joint near the end of the finger is called the distal IP joint (DIP joint).
