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The elbow is the region surrounding the elbow-jointthe ginglymus or hinge joint in the middle of the arm. Three bones form the elbow joint: the humerus of the upper arm, and the paired radius and ulna of the forearm.

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Wikipedia about elbow

The elbow is the region surrounding the elbow-jointthe ginglymus or hinge joint in the middle of the arm. Three bones form the elbow joint: the humerus of the upper arm, and the paired radius and ulna of the forearm.

The bony prominence at the very tip of the elbow is the olecranon process of the ulna, and the inner aspect of the elbow is called the antecubital fossa.

Movements

Two main movements are possible at the elbow:

  • The hinge-like bending and straightening of the elbow (flexion and extension) happens at the articulation ("joint") between the humerus and the ulna.
  • The complex action of turning the forearm over (pronation or supination) happens at the articulation between the radius and the ulna (this movement also occurs at the wrist joint).

In the anatomical position (with the forearm supine), the radius and ulna lie parallel to each other. During pronation, the ulna remains fixed, and the radius rolls around it at both the wrist and the elbow joints. In the prone position, the radius and ulna appear crossed.

Most of the force through the elbow joint is transferred between the humerus and the ulna. Very little force is transmitted between the humerus and the radius. (By contrast, at the wrist joint, most of the force is transferred between the radius and the carpus, with the ulna taking very little part in the wrist joint).

Muscles, arteries, and nerves

The muscles in relation with the joint are:

  • in front, the Brachialis
  • behind, the Triceps brachii and Anconæus
  • laterally, the Supinator, and the common tendon of origin of the Extensor muscles
  • medially, the common tendon of origin of the Flexor muscles, and the Flexor carpi ulnaris

The arteries supplying the joint are derived from the anastomosis between the profunda and the superior and inferior ulnar collateral branches of the brachial, with the anterior, posterior, and interosseous recurrent branches of the ulnar, and the recurrent branch of the radial. These vessels form a complete anastomotic network around the joint.

The nerves of the joint are a twig from the ulnar, as it passes between the medial condyle and the olecranon; a filament from the musculocutaneous, and two from the median.

Portions of joint

The elbow-joint comprises three different portions. All these articular surfaces are enveloped by a common synovial membrane, and the movements of the whole joint should be studied together.

The combination of the movements of flexion and extension of the forearm with those of pronation and supination of the hand, which is ensured by the two being performed at the same joint, is essential to the accuracy of the various minute movements of the hand.

The hand is only directly articulated to the distal surface of the radius, and the ulnar notch on the lower end of the radius travels around the lower end of the ulna. The ulna is excluded from the wrist-joint by the articular disk.

Search results for Elbow

Elbow (band) - Wikipedia, the free encyclopedia

In 2004, Elbow went on an unofficial tour of Cuba, becoming the first British ... Elbow's innovation in the studio has invited work with other bands, notably ...en.wikipedia.org/wiki/Elbow_(band)

elbow - Wiktionary

Finnish: kyynärnivel (the joint as an organ), kyynärpää (tip of the elbow) ... to elbow (third-person singular simple present elbows, present participle ...en.wiktionary.org/wiki/elbow

Elbow

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Tennis Elbow Central

Contains an overview of the causes, diagnosis, treatment, and resources available to sufferers.www.tennis-elbow.net/

elbow - Definition from the Merriam-Webster Online Dictionary

Definition of elbow from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.www.merriam-webster.com/dictionary/elbow

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News about Elbow

Elbow’s Mercury triumph

NZCityElbow won the prestigious Nationwide Mercury Prize last night (09.09.08), and have vowed to donate their £20,000 prize money to charity.http://home.nzcity.co.nz/news/article.aspx?id=90046&fm=newsm...

UK rockers Elbow win Mercury for "Seldom Seen Kid"

Reuters via Yahoo! News Rock outsiders Elbow have joined British music's elite after winning the prestigious Nationwide Mercury Prize for their fourth album "The Seldom Seen Kid."http://news.yahoo.com/s/nm/20080910/lf_nm_life/britain_music...

Cardinals not certain Pujols needs elbow surgery

Park Hills Daily JournalST. LOUIS (AP) Major league batting leader Albert Pujols may be headed to reconstructive elbow surgery that could sideline him into next season. Or he might not.http://www.dailyjournalonline.com/articles/2008/09/11/sports...

Cardinals not certain Pujols needs elbow surgery

USA TodayMajor league batting leader Albert Pujols may be headed to reconstructive elbow surgery that could sideline him into next season. Or he might not.http://www.usatoday.com/sports/baseball/nl/cardinals/2008-09...

Wagner needs elbow surgery, will miss entire 2009 season

USA TodayNew York Mets closer Billy Wagner needs elbow surgery that will sideline him through the 2009 season. The five-time All-Star has been sidelined since Aug. 3. He has a torn medial collateral ligament in his left elbow and a torn flexor pronator, which is a muscle in the forearm.http://www.usatoday.com/sports/baseball/nl/mets/2008-09-08-w...

News about Elbow

Cardinals not certain Pujols needs elbow surgery

ForbesMajor league batting leader Albert Pujols may be headed to reconstructive elbow surgery that could sideline him into next season. Or he might not. A day after the St. Louis slugger told KSDK television that he was considering having the operation ... http://www.forbes.com/feeds/ap/2008/09/10/ap5406835.html

Elbow win Mercury music prize

The IndependentThe rock band Elbow were last night crowned the surprise winners of this year's Nationwide Mercury Prize, for their fourth album The Seldom Seen Kid. The five-piece, from Bury, fought off stiff competition from 11 other acts to win the £20,000 prize ... http://www.independent.co.uk/arts-entertainment/music/news/e...

Estelle dominates MOBO nominations

The IndependentHer album "Shine" was pipped for British music's Mercury Prize earlier this week by rock outsiders Elbow. Former X-Factor winner Leona Lewis was nominated in three categories, including best female and best album.http://www.independent.co.uk/arts-entertainment/music/news/e...

U.K. Band Elbow Wins Mercury Prize as Judges Surprise Again

BloombergSept. 10 (Bloomberg) -- The U.K.'s Nationwide Mercury Prize judges last night burnished their reputation for surprises by handing the 2008 award to Elbow, an alternative rock band which has only released four albums over a 17-year career. Elbow ... http://www.bloomberg.com/apps/news?pid=20601088&sid=aJVsB6Io...

'Gym Teacher: The Movie' on Nickelodeon

Los Angeles TimesAs luck would have it, the very next day gym class is interrupted by new student Roland Waffle (Nathan Kress), a boy so complete in his "spaz"-dom that he wears a safety helmet and elbow guards, and talks about science fiction.http://www.latimes.com/entertainment/news/tv/la-et-gymteache...

Search results for Elbow

Elbow Cay Properties - Hope Town, Abaco, Bahamas Vacation Rentals

Vacation home rentals in and around Hope Town on beautiful Elbow Cay, the best of the Bahamas Out Islandshttp://www.elbowcayproperties.com/

The Elbow Room - Fresno's Friendliest Restaurant

Restaurant and bar in Fig Garden. Food, wine and spirits menus are listed, plus catering and staff information.http://www.elbow-room.com/

Elbow Pain Info

Elbow Pain Info is an educational website designed to help people obtain information about elbow anatomy and injuries.http://jointpaininfo.com/elbow/

Elbow Lake, MN -- Welcome to Elbow Lake

Elbow Lake MN ... Elbow Lake, a city of 1,275 people, is located only 12 miles west of Interstate 94 at the junction of State Highways 55, 59 and 79 in west central Minnesota.http://elbowlakechamber.com

Elbow Injuries-Topic Overview

Everyone has had a minor elbow injury. You may have bumped your ... Everyone has had a minor elbow injury. You may have bumped your "funny bone" at the back of your elbow ... http://www.webmd.com/a-to-z-guides/elbow-injuries-topic-over...
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Videos found for Elbow

Elbow: Great Expectations

Elbow: Great ExpectationsMusic Video by Elbow. Song: Great Expectations. Label: V2 Released in .msmedia: 26.3 MB w:320px - h:240px

Elbow: Forget Myself

Elbow: Forget MyselfMusic Video by Elbow. Song: Forget Myself. Label: V2 Released in .msmedia: 26.6 MB w:320px - h:240px

Elbow: The Everthere

Elbow: The EverthereMusic Video by Elbow. Song: The Everthere. Label: V2 Released in .msmedia: 21.4 MB w:320px - h:240px

Elbow: Forget Myself

Elbow: Forget MyselfMusic Video by Elbow. Song: Forget Myself. Label: V2 Released in 2005.msmedia: 18.7 MB w:320px - h:240px

Elbow: Leaders Of The Free World

Elbow: Leaders Of The Free WorldMusic Video by Elbow. Song: Leaders Of The Free World. Label: V2 Released in 2006.msmedia: 20.6 MB w:320px - h:240px

Answers for Elbow

stephanie h

How to fix a broken elbow on a hot tub?

stephanie hJB weld. It is ugly, but it might do the job. I would reccomend that you put in the right parts. If that broken filter causes your heater to go out, it could cost a whole lot more.
rawrrrr

What can i wear with elbow length gloves?

rawrrrrHmm...it depends on what the gloves are made from, if they are shiny/satin or velvet then they are quite formal and would suit that type of attire. But, you could try teaming them with a nice retro...
ee_tool

When should a person start physical therapy and mobilize his elbow after elbow dislocation/fracture ?

ee_toolWhen your doc and physical therapist say you should! Working that arm too soon or too late can be equally damaging to its future strength and mobility. Let the pros tell you when it's okay!
Mischa

How do you clean/disinfect knee pads/elbow pads?

MischaWhen I wash my volleyball team's knee pads, we flip them inside out and put them in the washing machine using cold water and laundry detergent. Then we let them air dry. Do not put them in the dryer...
hghbowe

How can I repair or replace the rubber elbow segment of hose leading to the pcv valve on my 2003 Ford ZX2?

hghbowetake the piece down to autozone and have them match it up size wize and just replace the entire hose with Rubber. Ford used that plastic crap but it cracks with age and thats what you have to do or sp...

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