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Topic: Ulna

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	Ulna - Wikipedia, the free encyclopedia
		Its antero-inferior surface is concave, and marked by a rough impression for the insertion of the brachialis.
		At the junction of this surface with the front of the body is a rough eminence, the tuberosity of the ulna, which gives insertion to a part of the brachialis; to the lateral border of this tuberosity the oblique cord is attached.
		The head presents an articular surface, part of which, of an oval or semilunar form, is directed downward, and articulates with the upper surface of the triangular articular disk which separates it from the wrist-joint; the remaining portion, directed lateralward, is narrow, convex, and received into the ulnar notch of the radius.
	en.wikipedia.org /wiki/Ulna (1692 words)

	Ulna (Site not responding. Last check: 2007-10-21)
		The ulna is the longer of the two bones of the forearm; the other being the radius.
		When the palm faces forward, the ulna is the inner bone (the one nearest the body) running down the forearm parallel to the radius.
		The lower end of the ulna is rounded and forms a joint with the wrist bones and lower end of the radius.
	www.innerbody.com /text/skel21.html (94 words)

	The Radius and Ulna (Site not responding. Last check: 2007-10-21)
		The ulna is medial to the radius in the supinated forearm.
		The shaft of the ulna is convex anteriorly.
		The muscle arises from the ulna distal to the EPL and runs to insert into the extensor hood of the index finger, together with the tendon of extensor digitorum.
	www.med.mun.ca /anatomyts/msk/forearm.htm (1829 words)

	Ulna 1
		The olecranon and coronoid processes and the trochlear notch of the ulna articulate with the trochlea of the humerus to form a hinge joint that permits flexion and extension at the elbow.
		This articulating surface on the ulna is termed the radial notch.
		At the distal end of the ulna is the head and the styloid process.
	bioweb.uwlax.edu /aplab/Table_of_Contents/Lab_04/Ulna_1/ulna_1.html (185 words)

	Radius-Ulna page
		The radius and ulna cross each other so the proximal ulna is caudal to the radius and the distal ulna is lateral to the radius.
		The radius is a rodlike bone, shorter in length than the ulna, articulating with the humerus proximally, with the carpus distally, and with the ulna both proximally and distally.
		The ulna is the longer bone in the forearm, exceeding the radius in length and located caudal to the radius.
	www.vet.purdue.edu /courses/bms/Osteology1/Canine/Radius-Ulna/Radius-Ulna.htm (460 words)

	Medcyclopaedia - Ulna
		Fractures of the styloid process of the ulna are usually a component of a Colles fracture, but an injury isolated to the ulnar styloid process is observed occasionally.
		Fracture of the middle or upper third of the ulna with posterior dislocation of the radial head and posterior angulation of the ulna.
		Fracture of the upper or middle third of the ulna with anterior dislocation of the radial head and fracture of the upper third of the radius below the bicipital tuberosity.
	www.medcyclopaedia.com /library/topics/volume_iii_1/u/ULNA.aspx (594 words)

	[No title] (Site not responding. Last check: 2007-10-21)
		It is attached by its apex to a depression between the styloid process and the head of the ulna; and by its base, which is thin, to the prominent edge of the radius, which separates the ulnar notch from the carpal articular surface.
		The radius articulates in pronation and supination on the distal ulna.
		The distal ulna is resected, by, for example, using an oscillating saw, exposing the intramedullary canal and the soft tissues that formerly surrounded the distal ulna.
	www.wipo.int /cgi-pct/guest/getbykey5?KEY=04/71357.040826&ELEMENT_SET=DECL (4569 words)

	Journal of Bone and Joint Surgery: effect of rotational malunion of the radius and the ulna on supination and ...
		We have assessed the influence of isolated and combined rotational malunion of the radius and ulna on the rotation of the forearm.
		A medial approach was used for the midpart of the shaft of the ulna and a volar approach for the midpart of the shaft of the radius.
		Osteotomies of the radius or ulna were rotated by 10 deg increments to evaluate the influence of rotational malunion of either the radius or ulna alone.
	www.findarticles.com /p/articles/mi_qa3767/is_200209/ai_n9139415 (1391 words)

	Chapter 24 On the Bones of the Forearm: the Ulna and Radius
		of the epiphysis of the ulna to which is attached or rather inserted a certain cartilage to be marked T, originating from the depression of the radius, where it holds the carpus.
		The ulna is articulated to the groove or trochlea (K, L, M of figs.
		Protruding thus, this line runs along the lower surface of the ulna beyond the midpoint of its length; two others are seen besides this one; together with the one already mentioned, these shape the ulna, so as it proceeds from the humerus toward the wrist it appears not round but triangular.
	vesalius.northwestern.edu /chapters/FA.1.24.html (5978 words)

	Radius-Ulna Page
		The radius and ulna are two separate bones separated by an interosseous space.
		The distal part of the ulna is incorporated within the radius.
		Don't confuse the coranoid processes on the ulna with the coracoid process on the scapula.
	www.vet.purdue.edu /courses/bms/Osteology1/Comparative/Radius-Ulna/Radius-Ulna.htm (65 words)

	Wrist
		The Colles fracture is a fracture of the distal radius and ulna with posterior displacement of the distal portions and the carpal bones.
		A fracture of both radius and ulna when the fracture sites are alongside each other may cause problems during healing in that a "callus bridge" may form joining the two bones which would prevent pronation and supination.
		This is an undisplaced fracture of the distal ulna caused by the wrist being hit by the wing mirror of a passing car.
	www.fortunecity.com /campus/oakland/1115/id21.htm (1533 words)

	[No title] (Site not responding. Last check: 2007-10-21)
		The proximal ulna is formed by a large bony process, the olecranon, which serves as the insertion of the triceps muscles.
		Shaft fractures of the radius and ulna occur at all levels; however, fractures of the distal one-third of the radius and ulna are the most common.
		Brinker WO, Piermattei DL, Flo GL: Fractures of the radius and ulna.
	cal.vet.upenn.edu /saortho/chapter_24/24mast.htm (3269 words)

	radius-ulna (Site not responding. Last check: 2007-10-21)
		In this view, the distal portions of the radius and ulna are toward the top of the screen.
		The lower part of the forelimb is composed of two bones: the radius and the ulna.
		is the point where the ulna articulates with the head of the radius.
	biology.kenyon.edu /heithausp/cat-tutorial/forelimb/radius-ulna.htm (113 words)

	Radial Aplasia and Distraction
		The correction of angulation of the radius and the length of distraction needed to accomplish the realignment of the hand-carpal unit on the distal ulna is measured.
		Premature closure of the ulna physis presumably from the centralization procedure at a young age was responsible for the inability of the affected forearm to keep up with growth.
		The ulna regenerate through a metaphyseal osteotomy healed primarily with a length increase of 7 cm and radial alignment was maintained (Fig.
	www.limblength.com /pubs/articles/radial/radial.htm (3619 words)

	II. Osteology. 6a. 4. The Ulna. Gray, Henry. 1918. Anatomy of the Human Body.
		—The lower extremity of the ulna is small, and presents two eminences; the lateral and larger is a rounded, articular eminence, termed the head of the ulna; the medial, narrower and more projecting, is a non-articular eminence, the styloid process.
		—The ulna is ossified from three centers: one each for the body, the inferior extremity, and the top of the olecranon.
		In the anatomical position, the forearm is placed in extension and supination with the palm looking forward and the thumb on the outer side.
	www.bartleby.com /107/52.html (1533 words)

	ulna -- Encyclopædia Britannica
		In humans it is shorter than the other bone of the forearm, the ulna.
		The elbow allows the bending and extension of the forearm, and it also allows the rotational movements of the radius and ulna that enable the palm of the hand to be turned upward or downward.
		The humerus is the bone of the upper arm, and the ulna and radius form the forearm.
	www.britannica.com /eb/article-9074157?tocId=9074157 (535 words)

	Sports Fracture Clinic - Ulna and Radius (Site not responding. Last check: 2007-10-21)
		The ulna is the inner of the two bones of the forearm (when viewed with the palm facing forward).
		Fractures of the ulna or radius are common in road traffic accidents.
		This is primary fracture of the Ulna and Radius.
	www.sport-fractureclinic.co.uk /radialulnapage.htm (137 words)

	Ulna / Ulnar Shaft Fracture - Wheeless' Textbook of Orthopaedics
		Ulna / Ulnar Shaft Fracture - Wheeless' Textbook of Orthopaedics
		- Bracing of stable shaft fractures of the ulna.
		The treatment of isolated fractures of the distal ulna.
	www.wheelessonline.com /ortho/10807 (573 words)

	Military Medicine: Stress Fracture of the Ulna Occurring in Military Recruits after Rifle Drill Training
		The morphological study of the ulna by Tanabe et al.2 indicated that the crosssectional area of the middle third of the total length of the ulna was smaller in area, thinner in cortex, and triangular in shape compared with the other parts of the bone.
		This is the first article to describe stress fractures of the ulna occurring in military recruits who participated in rifle drill training for an honor guard.
		Sopov W, Groshar D: Asymptomatic fatigue fracture of the proximal ulna associated with symptomatic fatigue fractures of the lower limbs.
	www.findarticles.com /p/articles/mi_qa3912/is_200410/ai_n9464201 (1280 words)

	Fracture of the Radius and Ulna in Dogs - PetPlace.com (Site not responding. Last check: 2007-10-21)
		The radius and ulna are the two bones that comprise the forearm.
		Depending on the nature of the fracture and the age of the animal, different methods of repair may be indicated for each situation.
		Radius and ulna fractures can have serious complications if not repaired, or if the repair fails, and can result in developmental abnormalities of the leg if the animal is immature when the injury occurred.
	www.petplace.com /dogs/fracture-of-the-radius-and-ulna-in-dogs/page1.aspx (581 words)

	YNA
		The hypothesis that diatoms such as Synedra ulna could be used as an index of water characteristics impacting water quality could not be supported by my data.
		The water data and the Synedra ulna counts from the four trials were inconsistent.
		Because the counts of Synedra ulna in the Phosphate Treatment samples were inconsistent, no specific relationship to phosphate content could be made by the present study.
	www.amnh.org /nationalcenter/youngnaturalistawards/2004/robyn2.html (1669 words)

	THE ULNA (Site not responding. Last check: 2007-10-21)
		Although much of the find consists of fragmented bones, over twenty ulnas (the lower forearm bone) remain intact.
		The particular problem given to you, one of the summer research assistants, is that of determining the height of one of these people, apparently an elder of the group, whose ulna measures 12.25.
		We will find the heights and the measurements of the ulnas of all the students in our class, keeping the data for the women and men separate.
	uhaweb.hartford.edu /RDECKER/M110/M110lab1.htm (438 words)

	LimbDifferences.org – Connections (Site not responding. Last check: 2007-10-21)
		His ulna bone is a bit shorter in his left arm.
		Hello, my name is Paula Andersen I have a 3 year old boy named Hunter who was bone with Ulna Deficiency of the right fore arm he has a tiny part of the ulna so he has a very good elbow, he is missing the pinky and ring finger.
		I would love to hear from you as it is hard to find anyone with Ulna Deficiency and I hope that I might have some experiance to share with you, you can contact me at, b_carle@spin.net.au I can't wait to hear from you.
	www.limbdifferences.org /connections/index.cfm?frmid=2&tpcid=351 (648 words)

	Rupture Ulna collateral ligament
		Rupture of Ulna Collateral Ligament (UCL) occurs by a hyper abduction force across MCP joint.
		Previously termed Gamekeepers thumb (should generally be reserved for chronic/ repetitive attrition injury of Ulna Collateral Ligament).
		The torn UCL stump folds back and comes to lie dorsal to the adductor aponeurosis and is prevented from healing to its anatomic insertion on the volar, ulnar base of the proximal phalanx.
	www.rcsed.ac.uk /fellows/lvanrensburg/classification/hand/skier.htm (440 words)

	Elbow & Radio-Ulna Joints (Site not responding. Last check: 2007-10-21)
		At proximal end of ulna is a deep notch for articulation with the trochlear
		it is the obliquity of the ulna shaft to this ridge that accounts for the majority of the carrying angle
		it is the transmitted to ulna which is larger superiorally and has a more secure articulation with the humerus for the force to be passed on.
	www.sohp.soton.ac.uk /aaanatomy/lect5'98.html (766 words)

	radial/ulna twist - Board Index
		It should be verticle with the origin on the ulna side touching the table.
		Constrain the radius and ulna skeletons to the wrist skeleton.
		I moved the ulna back to the position in the AW video, assigned a lattice to the forearm area and skinned this to the arm.
	www.highend3d.com /boards/index.php?showtopic=34999 (802 words)

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