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Topic: Carpal bones

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Carpal tunnel

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	Carpus - Wikipedia, the free encyclopedia
		In tetrapods, the carpus is the cluster of bones in the hand between the radius and ulna and the metacarpus.
		The carpal bones have evolved differently in different animals (for example in some macropods, the scaphoid and lunar bones are fused into the scapholunar bone)[1].
		Trapezium (bone) articulates with the metacarpal of the thumb.
	en.wikipedia.org /wiki/Carpal_bone (551 words)

	Carpal tunnel - Wikipedia, the free encyclopedia
		The term 'carpal tunnel' is also used quite commonly to refer to 'carpal tunnel syndrome' which is a condition where the median nerve is pinched within the tunnel and causes pain and/or numbness of the wrist/hand, once thought to be a result of repetitive motion such as painting or typing.
		The carpal tunnel is a fibro-osseous tunnel on the palmar surface of the carpal bones which transmits a number of tendons (flexor pollicis longus, flexor digitorum superficialis and profundus) and the median nerve from the forearm into the hand.
		It attaches to the scaphoid tubercle and ridge of the trapezium laterally (radially), and to the pisiform and hook of the hamate medially (ulnarly).
	en.wikipedia.org /wiki/Carpal_tunnel (387 words)

	II. Osteology. 6b. The Hand. 1. The Carpus. Gray, Henry. 1918. Anatomy of the Human Body.
		—The pisiform articulates with one bone, the triangular.
		This process gives attachment, by its apex, to the transverse carpal ligament and the Flexor carpi ulnaris; by its medial surface to the Flexor brevis and Opponens digiti quinti; its lateral side is grooved for the passage of the Flexor tendons into the palm of the hand.
		It is one of the four eminences on the front of the carpus to which the transverse carpal ligament of the wrist is attached; the others being the pisiform medially, the oblique ridge of the greater multangular and the tubercle of the navicular laterally.
	www.bartleby.com /107/54.html (1866 words)

	Carpal Tunnel Syndrome (Site not responding. Last check: 2007-11-01)
		The carpal tunnel is an anatomic passageway formed by the arched carpal bones of the wrist and a strong ligament called the transverse carpal ligament, which spans these bones.
		The median nerve lies directly beneath the transverse carpal ligament and is the softest structure of the carpal tunnel.
		The consequent expansion of the contents of the carpal tunnel is especially common at night due to the pooling and accumulation of fluid with lack of exercise and motion.
	www.oscharleston.com /carpal_tunnel.htm (1472 words)

	Carpal Tunnel Syndrome (Site not responding. Last check: 2007-11-01)
		Carpal tunnel syndrome manifests as numbness and/or pain in the hand due to compression of one of the major nerves of the hand.
		The nerve and tendons pass through the carpal tunnel, which (as the name states) is a tunnel which passes over the "carpal" bones of the hand.
		In this graphic, the carpal tunnel is shown with the tendons (brown) and the median nerve (red) passing through the carpal tunnel (green).
	www.animatedmedical.com /carpal.html (324 words)

	MedlinePlus Medical Encyclopedia: Carpal tunnel syndrome
		Carpal tunnel syndrome is compression of the median nerve at the wrist, which may result in numbness, tingling, weakness, or muscle atrophy in the hand and fingers.
		Carpal tunnel syndrome is caused by pressure exerted on the median nerve at the point where it passes through the wrist.
		Carpal tunnel release is a surgical procedure that cuts into the ligament to relieve pressure on the median nerve.
	www.nlm.nih.gov /medlineplus/ency/article/000433.htm (1065 words)

	Carpal Tunnel Release: Brown Two Portal Technique page 1
		Carpal tunnel syndrome was first used in the 1930s to describe entrapment neuropathy of the median nerve at the wrist.
		The carpal tunnel is bounded on three sides by the carpal bones and on the volar side by the transverse carpal ligament.
		The transverse carpal ligament begins at the distal wrist crease that is a transition zone between the volar forearm fascia and transverse carpal ligament.
	www.carpaltunnel.com /pub/crt_brown_two_portal_technique.html (537 words)

	Common Fractures of Carpal Bones
		Furthermore, the carpal bones normally shift in their relationship to one another during the various arcs of wrist motion.
		Because it articulates with the distal radius as well as with four of the remaining seven carpal bones, the scaphoid moves with nearly all carpal motions, especially volar flexion.
		Of the remaining bones, 13% have blood supply predominantly in the distal third and 20% have most of the arterial foramina in the waist area of the bone with no more than a single foramen near the proximal third.
	www.teambone.com /chapters/hand/scaphoid/carpalbone.html (3443 words)

	Musician's Health
		A second factor involved in carpal tunnel syndrome is misalignment of the carpal bones.
		The radius and ulna are connected to the carpal bones by ligaments, the radial collateral and Ulnar collateral ligaments, respectively.
		This may be due to previous wrist fractures which have caused changes to the size and shape of one or more carpal bones, hypertophic (enlargement) changes of the carpal bones due to imposed stresses over a long period of time, and callus formations in and around the bones from healing fractures.
	www.musicianshealth.com /CarpalTunnel.htm (1207 words)

	Carpal Tunnel Syndrome - Articles - TIFAQ (Site not responding. Last check: 2007-11-01)
		Carpal tunnel syndrome is one of a group of disorders categorized by several different terms: repetitive stress injuries, cumulative trauma disorder, overuse syndromes, chronic upper limb pain syndrome, or repetitive motion disorders.
		Carpal tunnel syndrome can also be caused by long-term hemodialysis and diseases such as multiple myeloma, Waldenstrom's macroglobulinemia, and non-Hodgkin's lymphoma, which cause a build-up of a waxy starchlike protein called amyloid in the bone and joint tissues.
		Carpal tunnel syndrome as a herald of autoimmune rheumatic disorders.
	www.tifaq.com /articles/carpal_tunnel_syndrome-sep98-well-connected.html (7751 words)

	Carpal tunnel syndrome, the facts about CTR
		Carpal tunnel syndrome (CTS) has long been regarded in the medical community as a “simple problem” and unfortunately there have been very few comprehensive publications in either the medical or the lay literature to clear up some of the misinformation that surrounds carpal tunnel syndrome.
		Carpal tunnel syndrome was a term first used in the 1930’s to describe an entrapment neuropathy of the median nerve at the wrist.
		Thus the goal of treating carpal tunnel syndrome is not simply to reduce the pressure on the nerve so that the symptoms are tolerable and the patient can live with it but rather to alleviate the pressure entirely.
	www.carpaltunnel.com (1086 words)

	What Is Carpal Tunnel Syndrome? (Site not responding. Last check: 2007-11-01)
		Carpal tunnel syndrome is a condition with a collection of symptoms which include pain, numbness, tingling, and a loss of muscle strength in the wrist and hand.
		By definition, CTS is a form of nerve entrapment in which the carpal bones of the wrist and the vertebrae in the neck become misaligned and irritate the nerves which exit the neck, travel down the arm and pass through a tunnel formed by the carpal bones and wrist ligaments.
		Therefore, it is essential that the vertebrae in the neck area be adjusted in addition to the carpal bones of the wrist in the care of patients with carpal tunnel syndrome.
	www.healthyfamilychiro.com /carpaltunnel.html (2594 words)

	eMedicine - Carpal Bone Injuries : Article by Bryan Hoynak
		The 8 carpal bones are arranged in 2 rows and are cuboid with 6 surfaces.
		With dorsiflexion and radial deviation of the wrist, the joint is impinged by the radius; because of its narrow mid portion, it is predisposed to injury.
		The scaphoid is wedged between the radius and the surrounding carpal bones, particularly the capitate.
	www.emedicine.com /SPORTS/topic16.htm (5289 words)

	Carpal Tunnel Syndrome
		Carpal Tunnel Syndrome is due to excessive repetitive movements of the arms, wrists or hands.
		Carpal tunnel syndrome occurs when the median nerve, which relays sensation from the palm of the hand and fingers, becomes pinched.
		Broken wrist bones, bones that are out of place (dislocated bones), or new bone growth from healing bones that take up space in the carpal tunnel and put more pressure on the median nerve.
	www.mamashealth.com /bodyparts/carpal.asp (479 words)

	Carpal Tunnel Syndrome
		The carpal tunnel is the passageway in the hand made up of the median nerve, tendons and the carpal bones (eight bones in the wrist).
		Carpal tunnel syndrome occurs when the nerve passing through the wrist (called the median nerve) becomes pinched by irritated, swollen tendons.
		Whether or not true carpal tunnel symptoms recur in these patients, many continue to have pain and are unable to use their hands to any great extent.
	www.clevelandclinic.org /health/health-info/docs/0100/0191.asp?index=4005&src=news (1232 words)

	Medinfo: Carpal tunnel syndrome
		Carpal tunnel syndrome is a condition where pressure on a nerve (the Median Nerve), where it passes through the wrist into the hand, causes pain, pins and needles, weakness and numbness in the hand.
		The main contents of the carpal tunnel are the tendons which cause the hand to flex, but the structure in the wrist that is most sensitive to pressure is the nerve which passes into the hand (the median nerve).
		Carpal tunnel syndrome may also be more likely to occur when the nerves to the arm are already working at a disadvantage, for example when there are pre-existing neck problems.
	www.medinfo.co.uk /conditions/carpaltunnel.html (754 words)

	Handbook for People with Hands - Carpal Tunnel Syndrome (Site not responding. Last check: 2007-11-01)
		Carpal tunnel has also been exhibited in children that are clinically found to have atrophy of the index finger.
		These eight bones are contained by larger bones called the metacarpals on one side and, on the other side, are constrained by the ulna and radius.
		While it is true that the Transverse Carpal Ligament does indeed press on the tissues beneath it, including the Median Nerve, it appears more likely that the reason for this pressure stems not from the ligament itself, but rather from the contents of the Carpal Canal.
	www.voicerecognition.com /carpal_tunnel.html (3113 words)

	Carpal Tunnel Release: Health Topics: UI Health Care
		Carpal tunnel release is an operation to correct carpal tunnel syndrome.
		The carpal tunnel is formed on three sides by the carpal bones of the wrist.
		Endoscopic surgery is usually for patients whose carpal tunnel syndrome is caused by overuse of the hand and wrist.
	www.uihealthcare.com /topics/bonesjointsmuscles/bone4241.html (669 words)

	Hand Pain & Problems
		The carpal bones are connected to two bones of the arm, the ulnar bone and the radius bone.
		Heberden nodes, abnormal enlargements of the bone or cartilage - about the size of a pea or smaller - may occur in the finger joints, and may be aggravated by osteoarthritis.
		Carpal tunnel syndrome is a condition in which the median nerve is compressed as it passes through the carpal tunnel in the wrist, a narrow confined space.
	medicalcenter.osu.edu /patientcare/healthinformation/diseasesandconditions/orthopaedic/hand (1017 words)

	Carpal Tunnel Syndrome - 2003 Health & Safety
		One side of the carpal tunnel is formed by the hand bones (carpals).
		Carpal tunnel syndrome occurs when any of these tissues (bone, ligament, tendon, or tendon sheath) press against the median nerve and disrupt that nerve’s function.
		This is because the tendons swell gradually; it may be a period of hours before the space in the carpal tunnel is taken up and the pressure on the nerve begins.
	www.uaw.org /hs/03/01/hs01.cfm (643 words)

	Carpal Tunnel - Carpal Tunnel Treatment Center (Site not responding. Last check: 2007-11-01)
		Carpal Tunnel Syndrome is caused when something (fluid, bone, or tight tendons) presses on the nerve within the carpal tunnel of the wrist.
		The muscle is compared to the motor of the system, the tendon, a strong fibrous band which connects a muscle to a bone, is the cable that runs from the motor to the door, and the bone is the garage door.
		Carpal Tunnel Syndrome is the #1 Repetitive Motion Injury in the United States.
	www.aboutcts.com /carpal_tunnel.html (1651 words)

	• Carpal Tunnel •
		At the base of your wrist is a group of small bones called the “carpals.” The “carpal tunnel” runs through these bones allowing nerves and tendons to pass through to your fingers.
		If you were to look at a cross section of the wrist and hand, with the palm facing up, the carpals would represent the floor and side walls of the tunnel.
		Carpal Tunnel Syndrome is the compression of the median nerve as it passes through the tunnel.
	www.signaturehandtherapy.com /carpal.html (370 words)

	Carpal Tunnel Syndrome
		The carpal tunnel is made up of the flexor retinaculum (transverse carpal ligament) as well as carpal bones of the wrist.
		The transverse carpal ligament is considered the anterior portion (roof) of the carpal tunnel wall, while the carpal bones form the rest of the tunnel.
		The carpal bones involved are the triquetrum, hamate, and the pisiform, which interact with the transverse carpal ligament.
	www.mtsu.edu /~wwhitehi/atep/496/projects/carpaltunnel.html (2815 words)

	Arthritis Research Campaign \| Carpal Tunnel Syndrome (Site not responding. Last check: 2007-11-01)
		The carpal tunnel is the space at the base of the wrist bounded on three sides by the carpal bones and covered by the flexor retinaculum.
		The median nerve, which passes through the carpal tunnel, passes under the palmaris longus tendon and supplies sensation to the palmar aspect of the radial 31/2 digits and the distal half of the dorsal aspect of the same digits.
		Carpal tunnel syndrome (CTS) is caused by elevated pressure in the carpal tunnel resulting in ischaemia of the median nerve and consequent impaired nerve conduction, paraesthesiae and pain.
	www.arc.org.uk /about_arth/med_reports/series5/ho/6523/6523.htm (1742 words)

	Carpal Tunnel Syndrome
		The carpal tunnel is the passageway in the hand made up of the arching carpal bones (eight bones in the wrist) and the ligament connecting the pillars of the arch.
		Carpal tunnel syndrome occurs when the median nerve, which relays sensation from the palm of the hand and fingers, becomes pinched, usually by swelling of the tendons.
		Injections provide temporary relief and are best reserved for people who have carpal tunnel syndrome as a result of an acute (sharp or severe) flare-up of tenosynovitis (an inflammation of the sheath around the tendon).
	www.webmd.com /content/article/44/2945_385.htm (884 words)

	Carpal Tunnel (Site not responding. Last check: 2007-11-01)
		Carpal tunnel syndrome: Carpus- the joint between the arm and hand, made up of eight bones; the wrist.
		The most common nerve entrapment syndrome, carpal tunnel syndrome results from compression of the median nerve at the wrist, within the carpal tunnel (formed by the carpal bones and the transverse carpal ligament).
		Carpal tunnel syndrome usually occurs more in women between the ages of 30 - 60, it posses a serious occupational health problem.
	www.med-help.net /CarpalTunnel.html (275 words)

	Carpal Tunnel Syndrome Treatment: Save Your Hands
		The "carpal tunnel" is a structure in the wrist, where the tendons of the finger flexors and the median nerve pass over the wrist bones.
		A surgical approach is to lengthen the ligament forming the palmar boundary of the carpal tunnel, thereby increasing the volume in the tunnel.
		Although we've focused on problems associated with the carpal tunnel, the median nerve and tendons of the finger flexors may be affected by conditions elsewhere in the body.
	www.jeffreyburch.com /home/jb1/page/145/45 (3185 words)

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