170 relations: Abductor digiti minimi muscle of hand, Abductor pollicis brevis muscle, Abductor pollicis longus muscle, Accessory bone, Acheulean, Adductor pollicis muscle, Adobe Flash, Algeria, Amelia (birth defect), Anatomical snuffbox, Anatomical terms of motion, Anatomy, Animal, Anthropometry, Anthropomorphism, Ape, Arboreal locomotion, Ardipithecus, Australopithecus, Autoimmune disease, Bennett's fracture, Bipedalism, Bird, Body language, Bone fracture, Boxer's fracture, Brachial plexus, Capitate bone, Carpal bones, Carpal tunnel, Carpal tunnel syndrome, Catel–Manzke syndrome, Central nervous system, Cerebral hemisphere, Chimpanzee, Chimpanzee–human last common ancestor, Claw, Cutaneous condition, Dactyly, Deep palmar arch, Dermatoglyphics, Dermis, Digit (anatomy), Dinosaur, Dorsal interossei of the hand, Dorsal venous network of hand, Dupuytren's contracture, Ectrodactyly, Embryo, Epidermis, ..., Evolution, Extensor carpi radialis brevis muscle, Extensor carpi radialis longus muscle, Extensor carpi ulnaris muscle, Extensor digiti minimi muscle, Extensor digitorum muscle, Extensor indicis muscle, Extensor pollicis brevis muscle, Extensor pollicis longus muscle, Finger, Finger tracking, Finger-counting, Fingerprint, First metacarpal bone, Flexor carpi radialis muscle, Flexor carpi ulnaris muscle, Flexor digiti minimi brevis muscle (hand), Flexor digitorum profundus muscle, Flexor digitorum superficialis muscle, Flexor pollicis brevis muscle, Flexor pollicis longus muscle, Flexor retinaculum of the hand, Foot, Forearm, Forelimb, Genetic disorder, Hair, Hamate bone, Hand strength, Hand surgery, Hand walking, Handedness, Handstand, Hinge joint, Hominidae, Homo floresiensis, Homo sapiens, Homology (biology), Human, Human skeletal changes due to bipedalism, Hypothenar eminence, In utero, Index finger, Intercarpal joints, Interosseous muscles of the hand, Interphalangeal joints of the hand, Joint, Knuckle-walking, Lemur, Little finger, Lumbricals of the hand, Lunate bone, Mammal, Manus (anatomy), Mechanoreceptor, Median nerve, Melanin, Metacarpal bones, Metacarpophalangeal joint, Middle finger, Miocene, Monkey, Motor cortex, Motor neuron, Mudra, Nail (anatomy), National Geographic, Neanderthal, Opponens digiti minimi muscle of hand, Opponens pollicis muscle, Ossification, Paleolithic, Palmar interossei muscles, Palmaris brevis muscle, Palmaris longus muscle, Palmistry, Paranthropus, Paw, Phalanx bone, Pisiform bone, Polydactyly, Prehensility, Primate, Primitive (phylogenetics), Raccoon, Radial nerve, Radius (bone), Rheumatoid arthritis, Ring finger, Rolando fracture, Scaphoid bone, Scaphoid fracture, Sesamoid bone, Sex steroid, Short bone, Sign language, Skeleton, Skin fold, Somatosensory system, Spider monkey, Stereopsis, Stratum corneum, Stratum lucidum, Sun tanning, Superficial palmar arch, Symplesiomorphy, Synapomorphy and apomorphy, Syndactyly, Thenar eminence, Thumb, Toe, Trapezium (bone), Trapezoid bone, Treeshrew, Triquetral bone, Ulna, Ulnar collateral ligament injury of the thumb, Ulnar nerve, Vertebrate, Wrist. Expand index (120 more) » « Shrink index
In human anatomy, the abductor digiti minimi (abductor minimi digiti, abductor digiti quinti, ADM) is a skeletal muscle situated on the ulnar border of the palm of the hand.
The abductor pollicis brevis is a muscle in the hand that functions as an abductor of the thumb.
In human anatomy, the abductor pollicis longus (APL) is one of the extrinsic muscles of the hand.
An accessory bone or supernumerary bone is a bone that is not normally present in the body, but can be found as a variant in a significant number of people.
Acheulean (also Acheulian and Mode II), from the French acheuléen, is an archaeological industry of stone tool manufacture characterized by distinctive oval and pear-shaped "hand-axes" associated with Homo erectus and derived species such as Homo heidelbergensis.
In human anatomy, the adductor pollicis muscle is a muscle in the hand that functions to adduct the thumb.
Adobe Flash is a deprecated multimedia software platform used for production of animations, rich Internet applications, desktop applications, mobile applications, mobile games and embedded web browser video players.
Algeria (الجزائر, familary Algerian Arabic الدزاير; ⴷⵣⴰⵢⴻⵔ; Dzayer; Algérie), officially the People's Democratic Republic of Algeria, is a sovereign state in North Africa on the Mediterranean coast.
Amelia (from Greek ἀ- "lack of" plus μέλος (plural: μέλεα or μέλη) "limb") is the birth defect of lacking one or more limbs.
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.
Motion, the process of movement, is described using specific anatomical terms.
Anatomy (Greek anatomē, “dissection”) is the branch of biology concerned with the study of the structure of organisms and their parts.
Animals are multicellular eukaryotic organisms that form the biological kingdom Animalia.
Anthropometry (from Greek ἄνθρωπος anthropos, "human", and μέτρον metron, "measure") refers to the measurement of the human individual.
Anthropomorphism is the attribution of human traits, emotions, or intentions to non-human entities.
Apes (Hominoidea) are a branch of Old World tailless anthropoid primates native to Africa and Southeast Asia.
Arboreal locomotion is the locomotion of animals in trees.
Ardipithecus is a genus of an extinct hominine that lived during Late Miocene and Early Pliocene in Afar Depression, Ethiopia.
Australopithecus (informal australopithecine or australopith, although the term australopithecine has a broader meaning as a member of the subtribe Australopithecina which includes this genus as well as Paranthropus, Kenyanthropus, Ardipithecus, and Praeanthropus) is an extinct genus of hominins.
An autoimmune disease is a condition arising from an abnormal immune response to a normal body part.
Bennett fracture is a fracture of the base of the first metacarpal bone which extends into the carpometacarpal (CMC) joint.
Bipedalism is a form of terrestrial locomotion where an organism moves by means of its two rear limbs or legs.
Birds, also known as Aves, are a group of endothermic vertebrates, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.
Body language is a type of nonverbal communication in which physical behavior, as opposed to words, are used to express or convey information.
A bone fracture (sometimes abbreviated FRX or Fx, Fx, or #) is a medical condition in which there is a partial or complete break in the continuity of the bone.
A boxer's fracture is the break of the 5th metacarpal bones of the hand near the knuckle.
The brachial plexus is a network of nerves formed by the anterior rami of the lower four cervical nerves and first thoracic nerve (C5, C6, C7, C8, and T1).
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.
The carpal bones are the eight small bones that make up the wrist (or carpus) that connects the hand to the forearm.
In the human body, the carpal tunnel or carpal canal is the passageway on the palmar side of the wrist that connects the forearm to the hand.
Carpal tunnel syndrome (CTS) is a medical condition due to compression of the median nerve as it travels through the wrist at the carpal tunnel.
Catel–Manzke syndrome is a rare genetic disorder characterized by distinctive abnormalities of the index fingers; the classic features of Pierre Robin syndrome; occasionally with additional physical findings.
The central nervous system (CNS) is the part of the nervous system consisting of the brain and spinal cord.
The vertebrate cerebrum (brain) is formed by two cerebral hemispheres that are separated by a groove, the longitudinal fissure.
The taxonomical genus Pan (often referred to as chimpanzees or chimps) consists of two extant species: the common chimpanzee and the bonobo.
The chimpanzee–human last common ancestor, or CHLCA, is the last common ancestor shared by the extant Homo (human) and Pan (chimpanzee) genera of Hominini.
A claw is a curved, pointed appendage, found at the end of a toe or finger in most amniotes (mammals, reptiles, birds).
A cutaneous condition is any medical condition that affects the integumentary system—the organ system that encloses the body and includes skin, hair, nails, and related muscle and glands.
In biology, dactyly is the arrangement of digits (fingers and toes) on the hands, feet, or sometimes wings of a tetrapod animal.
The deep palmar arch (deep volar arch) is an arterial network found in the palm.
Dermatoglyphics (from Ancient Greek derma, "skin", and glyph, "carving") is the scientific study of fingerprints, lines, mounts and shapes of hands.
The dermis or corium is a layer of skin between the epidermis (with which it makes up the cutis) and subcutaneous tissues, that primarily consists of dense irregular connective tissue and cushions the body from stress and strain.
A digit is one of several most distal parts of a limb, such as fingers or toes, present in many vertebrates.
Dinosaurs are a diverse group of reptiles of the clade Dinosauria.
In human anatomy, the dorsal interossei (DI) are four muscles in the back of the hand that act to abduct (spread) the index, middle, and ring fingers away from hand's midline (ray of middle finger) and assist in flexion at the metacarpophalangeal joints and extension at the interphalangeal joints of the index, middle and ring fingers.
The dorsal venous network of the hand is a network of veins in the superficial fascia on the dorsum of hand formed by the dorsal metacarpal veins.
Dupuytren's contracture is a condition in which one or more fingers become permanently bent in a flexed position.
Ectrodactyly, split hand, cleft hand, derived from the Greek ektroma (abortion) and daktylos (finger) involves the deficiency or absence of one or more central digits of the hand or foot and is also known as split hand/split foot malformation (SHFM).
An embryo is an early stage of development of a multicellular diploid eukaryotic organism.
The epidermis is the outer layer of the three layers that make up the skin, the inner layers being the dermis and hypodermis.
Evolution is change in the heritable characteristics of biological populations over successive generations.
In human anatomy, extensor carpi radialis brevis (Beaver muscle) is a muscle in the forearm that acts to extend and abduct the wrist.
The extensor carpi radialis longus is one of the five main muscles that control movements at the wrist.
In human anatomy, the extensor carpi ulnaris is a skeletal muscle located on the ulnar side of the forearm.
The extensor digiti minimi (extensor digiti quinti proprius) is a slender muscle of the forearm, placed on the ulnar side of the extensor digitorum communis, with which it is generally connected.
The extensor digitorum muscle (also known as extensor digitorum communis) is a muscle of the posterior forearm present in humans and other animals.
In human anatomy, the extensor indicis is a narrow, elongated skeletal muscle in the deep layer of the dorsal forearm, placed medial to, and parallel with, the extensor pollicis longus.
In human anatomy, the extensor pollicis brevis is a skeletal muscle on the dorsal side of the forearm.
In human anatomy, the extensor pollicis longus muscle (EPL) is a skeletal muscle located dorsally on the forearm.
A finger is a limb of the human body and a type of digit, an organ of manipulation and sensation found in the hands of humans and other primates.
In the field of technology and image processing, finger tracking is a high-resolution technique that is employed to know the consecutive position of the fingers of the user and hence represent objects in 3D.
Finger-counting, or dactylonomy, is the act of counting along one's fingers.
A fingerprint in its narrow sense is an impression left by the friction ridges of a human finger.
The first metacarpal bone or the metacarpal bone of the thumb is the first bone proximal to the thumb.
In anatomy, flexor carpi radialis is a muscle of the human forearm that acts to flex and (radial) abduct the hand.
The flexor carpi ulnaris muscle (or FCU) is a muscle of the human forearm that acts to flex and adduct (medial deviation) the hand.
The flexor digiti minimi brevis is a hypothenar muscle in the hand that flexes the little finger (digit V) at the metacarpophalangeal joint.
The flexor digitorum profundus is a muscle in the forearm of humans that flexes the fingers (also known as digits).
Flexor digitorum superficialis (flexor digitorum sublimis) is an extrinsic flexor muscle of the fingers at the proximal interphalangeal joints.
The flexor pollicis brevis is a muscle in the hand that flexes the thumb.
The flexor pollicis longus (FPL, Latin flexor, bender; pollicis, of the thumb; longus, long) is a muscle in the forearm and hand that flexes the thumb.
The flexor retinaculum (transverse carpal ligament, or anterior annular ligament) is a fibrous band on the palmar side of the hand near the wrist.
The foot (plural feet) is an anatomical structure found in many vertebrates.
The forearm is the region of the upper limb between the elbow and the wrist.
A forelimb is an anterior limb (arm, leg, or similar appendage) on a terrestrial vertebrate's body.
A genetic disorder is a genetic problem caused by one or more abnormalities in the genome.
Hair is a protein filament that grows from follicles found in the dermis.
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.
Hand strength measurements are of interest to study pathology of the hand that involves loss of muscle strength.
The field of hand surgery deals with both surgical and non-surgical treatment of conditions and problems that may take place in the hand or upper extremity (commonly from the tip of the hand to the shoulder), American Society for Surgery of the Hand.
Hand walking is an unusual form of human locomotion in which a person travels in a vertically inverted orientation with all body weight resting on the hands.
In human biology, handedness is a better, faster, or more precise performance or individual preference for use of a hand, known as the dominant hand; the less capable or less preferred hand is called the non-dominant hand.
A handstand is the act of supporting the body in a stable, inverted vertical position by balancing on the hands.
A hinge joint (ginglymus) is a bone joint in which the articular surfaces are molded to each other in such a manner as to permit motion only in one plane.
The Hominidae, whose members are known as great apes or hominids, are a taxonomic family of primates that includes eight extant species in four genera: Pongo, the Bornean, Sumatran and Tapanuli orangutan; Gorilla, the eastern and western gorilla; Pan, the common chimpanzee and the bonobo; and Homo, which includes modern humans and its extinct relatives (e.g., the Neanderthal), and ancestors, such as Homo erectus.
Homo floresiensis ("Flores Man"; nicknamed "hobbit") is an extinct species in the genus Homo.
Homo sapiens is the systematic name used in taxonomy (also known as binomial nomenclature) for the only extant human species.
In biology, homology is the existence of shared ancestry between a pair of structures, or genes, in different taxa.
Humans (taxonomically Homo sapiens) are the only extant members of the subtribe Hominina.
The evolution of human bipedalism, which began in primates about four million years ago, or as early as seven million years ago with Sahelanthropus, has led to morphological alterations to the human skeleton including changes to the arrangement and size of the bones of the foot, hip size and shape, knee size, leg length, and the shape and orientation of the vertebral column.
The hypothenar muscles are a group of three muscles of the palm that control the motion of the little finger.
In utero is a Latin term literally meaning "in the womb" or "in the uterus".
The index finger (also referred to as forefinger, first finger, pointer finger, trigger finger, digitus secundus, digitus II, and many other terms), is the first finger and the second digit of a human hand.
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.
The interosseous muscles of the hand are muscles found near the metacarpal bones that help to control the fingers.
The interphalangeal joints of the hand are the hinge joints between the phalanges of the fingers that provide flexion towards the palm of the hand.
A joint or articulation (or articular surface) is the connection made between bones in the body which link the skeletal system into a functional whole.
Knuckle-walking is a form of quadrupedal walking in which the forelimbs hold the fingers in a partially flexed posture that allows body weight to press down on the ground through the knuckles.
Lemurs are a clade of strepsirrhine primates endemic to the island of Madagascar.
The little finger or pinky finger, also known as the fourth digit or just pinky, is the most ulnar and smallest finger of the human hand, opposite the thumb, and next to the ring finger.
The lumbricals are intrinsic muscles of the hand that flex the metacarpophalangeal joints and extend the interphalangeal joints.
The lunate bone (semilunar bone) is a carpal bone in the human hand.
Mammals are the vertebrates within the class Mammalia (from Latin mamma "breast"), a clade of endothermic amniotes distinguished from reptiles (including birds) by the possession of a neocortex (a region of the brain), hair, three middle ear bones, and mammary glands.
The manus (Latin for hand) is the zoological term for the distal portion of the fore limb of an animal.
A mechanoreceptor is a sensory receptor that responds to mechanical pressure or distortion.
The median nerve is a nerve in humans and other animals in the upper limb.
Melanin (from μέλας melas, "black, dark") is a broad term for a group of natural pigments found in most organisms.
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.
The metacarpophalangeal joints (MCP) are situated between the metacarpal bones and the proximal phalanges of the digits.
The middle finger, long finger, or tall finger is the third digit of the human hand, located between the index finger and the ring finger.
The Miocene is the first geological epoch of the Neogene Period and extends from about (Ma).
Monkeys are non-hominoid simians, generally possessing tails and consisting of about 260 known living species.
The motor cortex is the region of the cerebral cortex involved in the planning, control, and execution of voluntary movements.
A motor neuron (or motoneuron) is a neuron whose cell body is located in the motor cortex, brainstem or the spinal cord, and whose axon (fiber) projects to the spinal cord or outside of the spinal cord to directly or indirectly control effector organs, mainly muscles and glands.
A mudra (Sanskrit "seal", "mark", or "gesture") is a symbolic or ritual gesture in Hinduism and Buddhism.
A nail is a horn-like envelope covering the tips of the fingers and toes in most primates and a few other mammals.
National Geographic (formerly the National Geographic Magazine and branded also as NAT GEO or) is the official magazine of the National Geographic Society.
Neanderthals (also; also Neanderthal Man, taxonomically Homo neanderthalensis or Homo sapiens neanderthalensis) are an extinct species or subspecies of archaic humans in the genus Homo, who lived in Eurasia during at least 430,000 to 38,000 years ago.
The opponens digiti minimi (opponens digiti quinti in older texts) is a muscle in the hand.
The opponens pollicis is a small, triangular muscle in the hand, which functions to oppose the thumb.
Ossification (or osteogenesis) in bone remodeling is the process of laying down new bone material by cells called osteoblasts.
The Paleolithic or Palaeolithic is a period in human prehistory distinguished by the original development of stone tools that covers c. 95% of human technological prehistory.
In human anatomy, the palmar or volar interossei (interossei volares in older literature) are three small, unipennate muscles in the hand that lie between the metacarpal bones and are attached to the index, ring, and little fingers.
Palmaris brevis is a thin, quadrilateral muscle, placed beneath the integument of the ulnar side of the hand.
The palmaris longus is a muscle visible as a small tendon between the flexor carpi radialis and the flexor carpi ulnaris, although it is not always present.
Palmistry, or chiromancy (also spelled cheiromancy; from Greek kheir (χεῖρ, ός; "hand") and manteia (μαντεία, ας; "divination"), is the claim of characterization and foretelling the future through the study of the palm, also known as chirology, or in popular culture as palm reading. The practice is found all over the world, with numerous cultural variations. Those who practice chiromancy are generally called palmists, hand readers, hand analysts, or chirologists. There are many—often conflicting—interpretations of various lines and palmar features across various schools of palmistry. These contradictions between different interpretations, as well as the lack of empirical support for palmistry's predictions, contribute to palmistry's perception as a pseudoscience among academics.
Paranthropus (from Greek παρα, para "beside"; άνθρωπος, ánthropos "human") is a genus of extinct hominins that lived between 2.6 and 1.1 million years ago.
A paw is the soft foot-like part of a mammal, generally a quadruped, that has claws.
The phalanges (singular: phalanx) are digital bones in the hands and feet of most vertebrates.
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.
Polydactyly or polydactylism, also known as hyperdactyly, is a congenital physical anomaly in humans and animals resulting in supernumerary fingers and/or toes.
Prehensility is the quality of an appendage or organ that has adapted for grasping or holding.
A primate is a mammal of the order Primates (Latin: "prime, first rank").
In phylogenetics, a primitive (or ancestral) character, trait, or feature of a lineage or taxon is one that is inherited from the common ancestor of a clade (or clade group) and has undergone little change since.
The raccoon (or, Procyon lotor), sometimes spelled racoon, also known as the common raccoon, North American raccoon, or northern raccoon, is a medium-sized mammal native to North America.
The radial nerve is a nerve in the human body that supplies the posterior portion of the upper limb.
The radius or radial bone is one of the two large bones of the forearm, the other being the ulna.
Rheumatoid arthritis (RA) is a long-term autoimmune disorder that primarily affects joints.
The ring finger is the finger on which it is the custom in a particular culture for a wedding ring to be placed during a wedding ceremony and on which the wedding ring is subsequently worn to indicate the status of the wearer as a married person.
The Rolando fracture is a comminuted intra-articular fracture through the base of the first metacarpal bone (the first bone forming the thumb).
The scaphoid bone is one of the carpal bones of the wrist.
A scaphoid fracture is a break of the scaphoid bone in the wrist.
In anatomy, a sesamoid bone is a bone embedded within a tendon or a muscle.
Sex steroids, also known as gonadocorticoids and gonadal steroids, are steroid hormones that interact with vertebrate androgen or estrogen receptors.
Short bones are designated as those bones that are as wide as they are long.
Sign languages (also known as signed languages) are languages that use manual communication to convey meaning.
The skeleton is the body part that forms the supporting structure of an organism.
Skin folds or skinfolds are areas of skin where it folds.
The somatosensory system is a part of the sensory nervous system.
Spider monkeys are New World monkeys belonging to the genus Ateles, part of the subfamily Atelinae, family Atelidae.
Stereopsis (from the Greek στερεο- stereo- meaning "solid", and ὄψις opsis, "appearance, sight") is a term that is most often used to refer to the perception of depth and 3-dimensional structure obtained on the basis of visual information deriving from two eyes by individuals with normally developed binocular vision.
The stratum corneum (Latin for 'horny layer') is the outermost layer of the epidermis, consisting of dead cells (corneocytes).
The stratum lucidum (Latin for "clear layer") is a thin, clear layer of dead skin cells in the epidermis named for its translucent appearance under a microscope.
Sun tanning or simply tanning is the process whereby skin color is darkened or tanned.
The superficial palmar arch is formed predominantly by the ulnar artery, with a contribution from the superficial palmar branch of the radial artery.
In phylogenetics, a plesiomorphy, symplesiomorphy or symplesiomorphic character is an ancestral character or trait state shared by two or more taxa.
In phylogenetics, apomorphy and synapomorphy refer to derived characters of a clade – characters or traits that are derived from ancestral characters over evolutionary history.
Syndactyly (from Greek συν- meaning "together" and δακτυλος meaning "finger") is a condition wherein two or more digits are fused together.
The thenar eminence refers to the group of muscles on the palm of the human hand at the base of the thumb.
The thumb is the first digit of the hand.
Toes are the digits of the foot of a tetrapod.
The trapezium bone (greater multangular bone) is a carpal bone in the hand.
The trapezoid bone (lesser multangular bone) is a carpal bone in tetrapods, including humans.
The treeshrews (or tree shrews or banxrings) are small Euarchontoglire mammals native to the tropical forests of Southeast Asia.
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.
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.
Gamekeeper's thumb (also known as skier's thumb or UCL tear) is a type of injury to the ulnar collateral ligament (UCL) of the thumb.
In human anatomy, the ulnar nerve is a nerve that runs near the ulna bone.
Vertebrates comprise all species of animals within the subphylum Vertebrata (chordates with backbones).
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.
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