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Mar 31, 2024 · Learn about the anatomy and function of the bones of the hand, including carpal, metacarpal and phalangeal bones. Find out the common fractures and clinical relevance of each bone type.
- Wrist Joint
The wrist joint (also known as the radiocarpal joint) is an...
- Wrist Joint
- Where Are The Hand and Wrist located?
- How Are The Hand and Wrist structured?
- Hand and Wrist Anatomy
- Hand and Wrist Bones
- Hand and Wrist Muscles
- Hand Nerves and Wrist Nerves
- Hand and Wrist Tendons
- Hand and Wrist Ligaments
- Hand and Wrist Arteries and Blood Vessels
- Hand and Wrist Lymphatics
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Your wrist is the joint at the end of your forearm. It’s the hinge between your arm and hand that lets you reposition your hand. Your hand begins where your wrist ends. It includes your palm, fingers and thumb.
Your hand and wrist are structured to allow you to move, flex and rotate your wrist joint and to use your hand to grab and touch objects. Your wrist acts like a pivot point that can move in almost any direction as you reach and flex your hand. Think about your hand and wrist like a crane game at an arcade. Your hand is the claw that grabs and holds...
The parts that make up your hand and wrist are layered upon each other to form a three-dimensional shape that gives them the ability to move and function. Your hand and wrist are made of: 1. Bones. 2. Muscles. 3. Nerves. 4. Tendons. 5. Ligaments. 6. Blood vessels(arteries and veins). 7. Lymphatic vessels.
Bones provide the main structural support in your hand and wrist. They give them their shape and are the anchors other pieces are connected to.
Muscles are soft tissue made of stretchy fiber. Intrinsic muscles inside your hand work with extrinsic muscles near the outside of your hand and in your forearm to give your hand its strength and dexterity.
Nerves control your muscles and help you feel and process sensations, including: 1. Touch. 2. Temperature. 3. Pain. 4. Pressure. Three main nerves give your hand and wrist sensation: 1. Radial nerve. 2. Median nerve. 3. Ulnar nerve. All three of these nerves are connected to many branches of smaller nerves that spread out into your hand and wrist.
Tendons link your muscles to your bones. They’re like strong, flexible ropes. Your hand and wrist have two groups of tendons: 1. Extensor tendons: Tendons that help you extend and straighten your fingers, hand and wrist. 2. Flexor tendons:Tendons that help you flex and curl your fingers, hand and wrist.
Ligaments are the other type of connective tissue in your hand. If tendons are like ropes, ligaments are more like thick rubber bands. Their main functions include: 1. Helping your joints move smoothly. 2. Protecting your joints from bending too far. 3. Keeping your joints in the proper alignment.
Your hand and wrist get blood from two arteries. The radial artery runs along your radius (closer to your thumb). The ulnar artery runs along your ulna (closer to your pinkie finger). These arteries communicate with each other in “arches” that form in your hand. There’s a superficial and deep arch in your hand. Vessels branch off the arches and sup...
Your lymphatic system is a network of tissue, vessels and organs that collect excess plasma from your bloodstream and redistribute it throughout your body. Tiny capillaries in your hand capture extra plasma from the blood vessels that supply your hand and wrist. They connect to bigger lymph nodes and vessels in your upper arm.
Learn about the structure and function of your hand and wrist, including the 19 bones, 34 muscles, nerves, tendons and ligaments that make up this complex network. Find out how your hand and wrist help you interact with the world and what conditions can affect them.
Apr 11, 2023 · Learn about the eight carpal bones, the five metacarpal bones, and the 14 phalanx bones of your hand and wrist. Find out how they move, support, and protect your hand and fingers, and what injuries and conditions can affect them.
Aug 5, 2018 · The skeleton of the hand contains 27 bones which can be divided into three groups: The carpus (the wrist): comprised of 8 carpal bones. The metacarpus: comprised of 5 metacarpal bones. The phalanges: comprised of 14 phalangeal bones.
- Carlo Ross
The hand and wrist have a total of 27 bones arranged to roll, spin and slide; 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.
Mar 31, 2023 · The wrist joint (also known as the radiocarpal joint) is an articulation between the radius and the carpal bones of the hand. It is condyloid-type synovial joint which marks the area of transition between the forearm and the hand.
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Jun 29, 2021 · Learn about the 27 bones in the hand and wrist, how they are connected with tendons and muscles and the nerves that run through them. See anatomy pictures and learn about common problems in the hand and wrist.
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