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Encyclopedia > Wrist
wrist joint
A human wrist.
Latin articulatio radiocarpalis
Gray's subject #86 327
MeSH Wrist+joint
Dorlands/Elsevier a_64/12161475

In human anatomy, the wrist is the flexible and narrower connection between the forearm and the palm. The wrist is essentially a double row of small short bones, called carpals, intertwined to form a malleable hinge. Image File history File links Question_book-3. ... For other uses, see Latin (disambiguation). ... Medical Subject Headings (MeSH) is a huge controlled vocabulary (or metadata system) for the purpose of indexing journal articles and books in the life sciences. ... Elseviers logo. ... List of bones of the human skeleton Human anatomy is primarily the scientific study of the morphology of the adult human body. ... // The Human Forearm The forearm is the structure on the upper limb, between the elbow and the wrist. ... For other uses, see Hand (disambiguation). ... Where a part of the skeleton is intended for strength and compactness combined with limited movement, it is constructed of a number of short bones, as in the carpus and tarsus. ... In human anatomy, the carpal bones are the bones of the human wrist. ...

The wrist-joint (articulatio radiocarpea) is a condyloid articulation allowing three degrees of freedom. In a condyloid joint (condyloid articulation, ellipsoidal joint) an ovoid articular surface, or condyle, is received into an elliptical cavity in such a manner as to permit of flexion, extension, adduction, abduction, and circumduction, but no axial rotation. ...


Structure of joint

The parts forming it are the lower end of the radius and under surface of the articular disk above; and the scaphoid, lunate, and triquetral bones below. The radius is the bone of the forearm that extends from the outside of your limb to your phlangx (lateral) of the elbow to the thumb side of the wrist. ... Diagrammatic section of a diarthrodial joint, with an articular disk. ... The scaphoid bone of the wrist is found on the thumb side of the hand, within the anatomical snuffbox. ... The lunate bone (os lunatum; semilunar bone) is a bone in the human hand that may be distinguished by its deep concavity and crescentic outline. ... The triquetral bone (also called triquetral, os triquetrum, cuneiform bone, pyramidal bone, cubital bone, os pyramidale, os triangulare, three-cornered bone, and triangular bone) is a type of carpal bone. ...

The articular surface of the radius and the under surface of the articular disk form together a transversely elliptical concave surface, the receiving cavity. Diagrammatic section of a diarthrodial joint, with an articular disk. ...

The superior articular surfaces of the scaphoid, lunate, and triquetrum form a smooth convex surface, the condyle, which is received into the concavity. Categories: Move to Wiktionary | Anatomy stubs ...

The bones of the wrist can be easily remembered by the Acronym SLTPTTCH - Some Lovers Try Positions That They Can't Handle. These represent the bones in order of proximal row lateral to medial and then distal row lateral to medial: Scaphoid Lunate Triqetrium Pisiform Trapezium Trapezoid Capitate Hamate.


The joint is surrounded by a capsule, strengthened by the following ligaments: In anatomy, the term ligament is used to denote three different types of structures:[1] Fibrous tissue that connects bones to other bones. ...

The synovial membrane lines the deep surfaces of the ligaments above described, extending from the margin of the lower end of the radius and articular disk above to the margins of the articular surfaces of the carpal bones below. It is loose and lax, and presents numerous folds, especially behind. The palmar radiocarpal ligament (anterior ligament, volar radiocarpal ligament)) is a broad membranous band, attached above to the anterior margin of the lower end of the radius, to its styloid process, and to the front of the lower end of the ulna; its fibers pass downward and medialward to be... The dorsal radiocarpal ligament (posterior ligament) less thick and strong than the volar, is attached, above, to the posterior border of the lower end of the radius; its fibers are directed obliquely downward and medialward, and are fixed, below, to the dorsal surfaces of the navicular, lunate, and triangular, being... The ulnar collateral ligament (internal lateral ligament, ulnar carpal collateral ligament) is a rounded cord, attached above to the end of the styloid process of the ulna, and dividing below into two fasciculi, one of which is attached to the medial side of the triangular bone, the other to the... The radial collateral carpal ligament attaches to the styloid process of the radius and the radial side of the scaphoid bone. ... The synovium or synovial membrane is a thin, weak layer of tissue which lines the non-cartilaginous surfaces within the joint space, sealing it from the surrounding tissue. ...


The movements permitted in this joint are flexion, extension, abduction, adduction, and circumduction. They are studied with those of the carpus, with which they are combined. In sciences dealing with the anatomy of animals, precise anatomical terms of location are necessary for a variety of reasons. ... In anatomy, Flexion is movement whereby bones or other objects are brought closer together. ... In metaphysics, extension is the property of taking up space; see Extension (metaphysics). ... In sciences dealing with the anatomy of animals, precise anatomical terms of location are necessary for a variety of reasons. ... In anatomy and physiology, adduction is the moving of limbs towards the midline of the body. ... This article is being considered for deletion in accordance with Wikipedias deletion policy. ... This article is about Carpal bones. ...

See also

Distal radius fractures are a very common injury of the that occur at the distal end, where the wrist joint lies. ... The Brunelli Procedure is a surgical procedure that can be used to correct instability in the wrist. ...

Additional images


External links

Look up Wrist in
Wiktionary, the free dictionary.
The interphalangeal articulations of hand are hinge-joints of the phalanges of the hand. ... List of bones of the human skeleton Human anatomy is primarily the scientific study of the morphology of the adult human body. ... For other uses of the word head, see head (disambiguation). ... In humans, the adult skull is normally made up of 22 bones. ... In human anatomy, the forehead or brow is the bony part of the head above the eyes. ... For other uses, see Eye (disambiguation). ... For other uses, see Ear (disambiguation). ... The visible part of the human nose is the protruding part of the face that bears the nostrils. ... Sagittal section of nose mouth, pharynx, and larynx. ... For other uses, see Tongue (disambiguation). ... Teeth redirects here. ... The mandible (from Latin mandibÅ­la, jawbone) or inferior maxillary bone is, together with the maxilla, the largest and strongest bone of the face. ... For other uses, see Face (disambiguation). ... This article is about the anatomical feature. ... This article is about the part of the face. ... Image File history File links Human body features (external) Created by Vsion. ... For other uses, see Neck (disambiguation). ... For other uses, see Throat (disambiguation). ... For other uses, see Adams apple (disambiguation). ... The human torso Torso is an anatomical term for the greater part of the human body without the head and limbs. ... This article is about the body part. ... The vertebral column seen from the side Different regions (curvatures) of the vertebral column The vertebral column (backbone or spine) is a column of vertebrae situated in the dorsal aspect of the abdomen. ... For other uses, see Breast (disambiguation). ... The Tail of Spence (or Spences tail) is an extension of the tissue of the breast which extends into the axilla (armpit). ... Male Chest The chest is a part of the anatomy of humans and various other animals. ... The human rib cage. ... The human abdomen (from the Latin word meaning belly) is the part of the body between the pelvis and the thorax. ... This article does not cite any references or sources. ... A sex organ, or primary sexual characteristic, as narrowly defined, is any of those anatomical parts of the body which are involved in sexual reproduction and constitute the reproductive system in a complex organism; in mammals, these are: Female: Bartholins glands, cervix, clitoris, Fallopian tubes, labia, ovaries, Skenes... The clitoris is a sexual organ that is present in biologically female mammals. ... The vagina, (from Latin, literally sheath or scabbard ) is the tubular tract leading from the uterus to the exterior of the body in female placental mammals and marsupials, or to the cloaca in female birds, monotremes, and some reptiles. ... The penis (plural penises, penes) is an external male sexual organ. ... In some male mammals, the scrotum is a protuberance of skin and muscle containing the testicles. ... Look up testes in Wiktionary, the free dictionary. ... In anatomy, the hip is the bony projection of the femur which is known as the greater trochanter, and the overlying muscle and fat. ... This article is about the bodily orifice. ... Bottom commonly refers to the human buttocks but also has other uses. ... A limb (from the Old English lim) is a jointed, or prehensile (as octopus tentacles or new world monkey tails), appendage of the human or animal body; a large or main branch of a tree; a representative, branch or member of a group or organization. ... Look up ARM in Wiktionary, the free dictionary. ... This article is about the joint in the arm. ... // The Human Forearm The forearm is the structure on the upper limb, between the elbow and the wrist. ... For other uses, see Hand (disambiguation). ... This article does not cite any references or sources. ... For other uses, see Thumb (disambiguation). ... The Index finger The index finger, pointer finger or forefinger is the second digit of a human hand, located between the thumb and the middle finger. ... This article is about the vulgar gesture. ... The ring finger is the fourth digit of the human hand, and the second most ulnar finger, located between the middle finger and the little finger. ... The little finger, often called the pinky in American English and pinkie in Scottish English (from the Dutch word pink, meaning little finger), is the most ulnar and usually smallest finger of the human hand, opposite the thumb, next to the ring finger. ... In common usage, a human leg is the lower limb of the body, extending from the hip to the ankle, and including the thigh, the knee, and the cnemis. ... Manuel Márquez de León International Airport (IATA: LAP, ICAO: MMLP) is an international airport located at La Paz, Baja California Sur, Mexico. ... In humans the thigh is the area between the pelvis and buttocks and the knee. ... For other uses, see Knee (disambiguation). ... The calf or gastrosoleus is a pair of muscles—the gastrocnemius and soleus—at the back of the lower human leg. ... For other uses, see Heel (disambiguation). ... For a review of anatomical terms, see Anatomical position and Anatomical terms of location. ... For other uses, see Foot (disambiguation). ... This article is about the body part. ... Toes on foot. ... For other uses, see Skin (disambiguation). ... For the 1968 stage production, see Hair (musical), for the 1979 film, see Hair (film). ...

  Results from FactBites:
BBC - Health - Ask the doctor - Sore wrist (deQuervain's tendonitis) (540 words)
The end result is stiffness and pain, especially when you form a fist with that hand, try to grip things or turn the wrist (for example when opening a door).
The symptoms are, as you describe, pain over the thumb side of the wrist which may start slowly or suddenly.
This may be enough but you should also rest the thumb and wrist, ideally by wearing a splint to prevent movement.
Wrist (2030 words)
The carpal tunnel is the area of the wrist which is made up of the wrist bones on the sides and floor of the tunnel and the transverse carpal ligament, which connects the wrist bones on either side, on the ceiling, as viewed with the palm up.
Flexion of the wrist or pressure over the nerve usually causes numbness in at least part of the median nerve innervated fingers, and there may be tingling in the same area by tapping over the nerve at the wrist.
For keyboard users, using a wrist support and positioning the height of the keyboard so that the wrist is not held in flexion or extension; optimally, with the arms at the side, the forearms should be parallel to the floor.
  More results at FactBites »



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