WebThe hand has 27 bones: the 8 bones of the carpus (wrist), arranged in two sets of four; the 5 bones of the metacarpus, one to each digit; and the 14 digital bones, or phalanges, 2 in the thumb and 3 in each finger. The … WebFunction. tether skin to deeper layers of fascia and bone to prevent excessive mobility of skin and improve grip. stabilize the digital neurovascular bundle with finger flexion and extension. Anatomic …

Human Body Diagrams - Medical Art Library

WebThe hand and wrist have a total of 27 bones arranged to roll, spin and slide [5]; allowing the hand to explore and control the environment and objects. The carpus is formed from eight small bones collectively referred to as the carpal bones. The carpal bones are bound in two groups of four bones: the pisiform, triquetrum, lunate and scaphoid on ... WebApr 12, 2024 · Origin and insertion. Extensor digitorum is a superficial muscle of the posterior compartment of the forearm. Like the majority of the muscles in this compartment, it originates via common extensor tendon … consumer direct maryland

The Muscles of the Hand - Thenar - Hypothenar - TeachMeAnatomy

WebJan 22, 2024 · Index finger. The index finger is the second digit of the hand. Along with the thumb and middle finger, it is one of the most often-used digits. This finger has practical … WebYour arm muscles help you move your arms, hands, fingers and thumbs. You have many muscles in your upper arm and forearm. They allow you to do activities that require big movements, like swinging a baseball bat. They also control small, precise movements such as writing your name. To avoid an injury, take time to warm up before exercising. WebTendons. Tendons are fibrous cords, similar to a rope, and are made of collagen. They have blood vessels and cells to maintain tendon health and repair injured tendon. Tendons are … consumer direct mortgage rates today