Wrist and Wrist osteoarthritis

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Difference between Wrist and Wrist osteoarthritis

Wrist vs. Wrist osteoarthritis

In human anatomy, the wrist is variously defined as 1) the carpus or carpal bones, the complex of eight bones forming the proximal skeletal segment of the hand;Behnke 2006, p. 76. "The wrist contains eight bones, roughly aligned in two rows, known as the carpal bones."Moore 2006, p. 485. "The wrist (carpus), the proximal segment of the hand, is a complex of eight carpal bones. The carpus articulates proximally with the forearm at the wrist joint and distally with the five metacarpals. The joints formed by the carpus include the wrist (radiocarpal joint), intercarpal, carpometacarpal and intermetacarpal joints. Augmenting movement at the wrist joint, the rows of carpals glide on each other " (2) the wrist joint or radiocarpal joint, the joint between the radius and the carpus and (3) the anatomical region surrounding the carpus including the distal parts of the bones of the forearm and the proximal parts of the metacarpus or five metacarpal bones and the series of joints between these bones, thus referred to as wrist joints.Behnke 2006, p. 77. "With the large number of bones composing the wrist (ulna, radius, eight carpas, and five metacarpals), it makes sense that there are many, many joints that make up the structure known as the wrist."Baratz 1999, p. 391. "The wrist joint is composed of not only the radiocarpal and distal radioulnar joints but also the intercarpal articulations." This region also includes the carpal tunnel, the anatomical snuff box, bracelet lines, the flexor retinaculum, and the extensor retinaculum. As a consequence of these various definitions, fractures to the carpal bones are referred to as carpal fractures, while fractures such as distal radius fracture are often considered fractures to the wrist. Wrist osteoarthritis is a group of mechanical abnormalities resulting in joint destruction, which can occur in the wrist.

Anatomical snuffbox

The anatomical snuff box or snuffbox is a triangular deepening on the radial, dorsal aspect of the hand—at the level of the carpal bones, specifically, the scaphoid and trapezium bones forming the floor.

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Anatomical terms of location

Standard anatomical terms of location deal unambiguously with the anatomy of animals, including humans.

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Anatomical terms of motion

Motion, the process of movement, is described using specific anatomical terms.

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Capitate bone

The capitate bone is found in the center of the carpal bone region, colloquially known as the wrist, which is at the distal end of the radius and ulna bones.

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Carpal bones

The carpal bones are the eight small bones that make up the wrist (or carpus) that connects the hand to the forearm.

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Distal radioulnar articulation

The distal radioulnar articulation (inferior radioulnar joint) is a joint between the two bones in the forearm; the radius and ulna.

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Hamate bone

The hamate bone or unciform bone (from Latin uncus, "hook") is a bone in the human wrist readily distinguishable by its wedge shape and a hook-like process ("hamulus") projecting from its palmar surface.

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Intercarpal joints

The intercarpal joints (joints of the carpal bones of the wrist) can be subdivided into three sets of joints (also called articulations): Those of the proximal row of carpal bones, those of the distal row of carpal bones, and those of the two rows with each other.

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Lunate bone

The lunate bone (semilunar bone) is a carpal bone in the human hand.

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Metacarpal bones

In human anatomy, the metacarpal bones or metacarpus, form the intermediate part of the skeletal hand located between the phalanges of the fingers and the carpal bones of the wrist which forms the connection to the forearm.

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Pisiform bone

The pisiform bone, also spelled pisiforme (from the Latin pisifomis, pea-shaped), is a small knobbly, pea-shaped bone that is found in the wrist.

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Radius (bone)

The radius or radial bone is one of the two large bones of the forearm, the other being the ulna.

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Rheumatoid arthritis

Rheumatoid arthritis (RA) is a long-term autoimmune disorder that primarily affects joints.

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Scaphoid bone

The scaphoid bone is one of the carpal bones of the wrist.

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Scapholunate ligament

The scapholunate ligament is a ligament of the wrist.

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Trapezium (bone)

The trapezium bone (greater multangular bone) is a carpal bone in the hand.

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Trapezoid bone

The trapezoid bone (lesser multangular bone) is a carpal bone in tetrapods, including humans.

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Triquetral bone

The triquetral bone (also called triquetrum, pyramidal, three-faced, and formerly cuneiform bone) is located in the wrist on the medial side of the proximal row of the carpus between the lunate and pisiform bones.

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Ulna

The ulna is a long bone found in the forearm that stretches from the elbow to the smallest finger, and when in anatomical position, is found on the medial side of the forearm.

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