Jonathan Lansdale
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Jun 7, 2024 · Learn about the structure and function of the hand, a grasping organ with great mobility and flexibility. Find out how the hand evolved in different vertebrates, especially in humans and primates.
- The Editors of Encyclopaedia Britannica
Nov 13, 2023 · Learn about the structure and function of the hand, the most distal part of the upper limb. Explore the carpals, metacarpals, phalanges, thenar, hypothenar and lumbrical muscles, and the nerves, arteries and veins that supply the hand.
Learn about the bones, muscles, nerves, tendons and ligaments that make up your hand and wrist. Find out how they work together to let you touch, hold and move objects with your fingers.
The Hand is a 1981 American psychological horror film written and directed by Oliver Stone, based on the novel The Lizard's Tail by Marc Brandel. The film stars Michael Caine and Andrea Marcovicci. Caine plays Jon Lansdale, a comic book artist who loses his hand, which in turn takes on a murderous life of its own.
- Bones of the hand. To understand the anatomy of the hand we first must understand the anatomy of the forearm and wrist. The forearm consists of two bones, the radius and the ulna.
- Muscles of the hand. Interossei muscles. The interossei muscles are intrinsic hand muscles that originate from the intermediate surfaces of the metacarpals.
- Nerves of the hand. The ulnar nerve (C8-T1 nerve roots) arises from the medial cord of the brachial plexus and supplies all of the intrinsic muscles of the hand with a few exceptions.
- Blood supply and drainage of the hand. The superficial palmar arch is the main continuation of the ulnar artery. It receives a small superficial branch from the radial artery and supplies the fingers with blood via the common digital, and the distal ‘proper digital arteries’ which run on either side of the finger.
Jan 20, 2018 · Learn about the structure and function of the hand, a complex and versatile organ that enables humans to perform many tasks. See images and diagrams of the hand's bones, muscles, nerves, and blood vessels.
The hand contains a number of joints that allow complex actions, such as manipulating, gripping and grasping objects. Optimal hand function requires adequate strength, sensation, range of motion, and dexterity.
