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Mar 31, 2024 · The bones of the hand provide support and movement to the soft tissues. They can be categorised into three different types: Carpal bones (proximal) – a set of eight irregularly shaped bones. They are located in the area of the wrist. Metacarpals – a set of five bones, each one related to a digit. They are located in the area of the palm.
Oct 30, 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.
- Medical Content
- Synovial hinge joint; uniaxial
- Proper palmar digital nerves
- Carpal Bones
- Metacarpal Bones
- Phalanges
- Joints and Articulations
The human wrist comprises 8 uniquely-shaped irregular bonesarranged in two rows, with the first four in the proximal row and the next four in the distal row. Here are their names: 1. Scaphoid 2. Lunate 3. Triquetrum 4. Pisiform 5. Trapezium 6. Trapezoid 7. Capitate 8. Hamate Together, these bones connect the lower arm to the hand and fingers as the...
These bones form the middle part, the back of the hand or palm area. There are 5 metacarpal bones in the human body, with each of these long boneshaving a base, shaft, and head. Their proximal end articulates with the distal row of carpal bones. The first to the fifth metacarpal is associated with the respective finger, from the thumb to the little...
There are 7 bones forming the fingers in each hand. Based on their location, they are referred to as: 1. Proximal phalanx 2. Middle phalanx 3. Distal phalanx The index to little finger have 3 phalanges each, while only two are in each thumb.
Radiocarpal joint:Between the radius and the carpals Ulnocarpal Joint: Where the carpals articulate with the ulna. The above two articulations, together with the distal radioulnar joint (between the radius and ulna) form the wrist. Carpometacarpal (CMC) Joints: Between the carpals and the metacarpal bone. The CMC joint of the thumb has the greatest...
Mar 9, 2024 · Read More – Complete Guide to Finger A natomy with Parts, Names, Functions & Diagram. Hand Anatomy – Joints. With the help of different hand joints, we can carry out many actions accurately and skillfully. They allow us to perform intricate movements with precision and accuracy.
Jul 5, 2023 · The carpometacarpal (CMC) joints are articulations between the carpal bones (carpo-) and metacarpal bones (-metacarpal) of the hand. There are five CMC joints in total, out of which the carpometacarpal joint of thumb ( trapeziometacarpal joint) is the most specialized and flexible.
- Medical Content Validation
- Palmar and dorsal carpal anastomoses
Wrist and Forearm Joints. Diagram 1: bones of the hand. The forearm has a proximal radial ulnar joint at the elbow and a distal radial ulnar joint at the wrist. The forearm has a range of movement of about 180 degrees in pronation-supination.
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Dec 16, 2015 · The trapezium articulates with the first metacarpal, i.e. the thumb metacarpal (hence ‘trapezi um with the th um b’). Adjacent to this we have the trapezoid, which articulates with the second metacarpal. Superficial to the triquetrum, we have the pisiform, a pea-shaped sesamoid bone that lies within the tendon of flexor carpi ulnaris.
