Search results
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.
- 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...
People also ask
What are the different types of hand bones?
What bones connect the lower arm to the hand and fingers?
How many bones are in a hand?
Where are the bones of the hand located?
Mar 9, 2024 · This joint facilitates a wide range of wrist motions, including grasping, raising, and rotating the hand. Carpometacarpal Joint. The carpometacarpal (CMC) joints connect the wrist and hand bones. There are five of these joints, with the thumb’s joint being the most flexible. The other four joints link the middle hand bones to the wrist bones.
They control the area of your hand that’s opposite your thumb. Interossei muscles: Interossei muscles are between the metacarpal bones in your palm. They help your fingers move side-to-side. Lumbrical muscles: Lumbrical muscles are at the base of your four non-thumb fingers. They help you flex your fingers.
Mar 20, 2015 · Capitate: The largest of the wrist bones, this rests between the trapezoid and the hamate behind the middle and ring fingers. Hamate: This small bone has a hook on the palmar side. It rests next ...
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. The proximal interphalangeal joint (PIPJ or PIJ) is located between the proximal and middle phalanges, while the distal ...
Nov 13, 2023 · Those are flexion, extension, abduction, and adduction of the hand. Take this specially designed quiz to test your knowledge about the hand and wrist. It specifically focuses on bones, muscles (including attachments, innervation, functions), arteries, veins, and nerves. Custom Quiz: Wrist anatomy Start quiz.
