Armlock
2850745
224347846
2008-07-08T13:27:05Z
SuzukS
2495540
/* Americana (Ude-garami) */
{{Refimprove|date=July 2007}}
{{citation style}}
[[Image:Armlock juji-gatame armbar.jpg|thumb|right|200px|The ''juji-gatame'' armbar (see [[Armlock#juji-gatame|below]]) is one of the most effective and versatile [[joint lock]]s.]]
In [[grappling]], an '''armlock''' is a single or double [[joint lock]] that hyperextends, hyperflexes or hyperrotates the [[elbow|elbow joint]] and/or [[Glenohumeral joint|shoulder joint]]. An armlock that hyperflexes or hyperrotates the shoulder joint is referred to as a '''shoulder lock''', and an armlock that hyperextends the elbow joint is called an '''armbar'''. Depending on the joint [[flexibility]] and integrity of a person, armlocks that hyperrotate the shoulder joint can also hyperrotate the elbow joint, and vice versa.
Obtaining an armlock requires effective use of full-body [[leverage]] in order to initiate and secure a lock on the targeted arm, while preventing the opponent from escaping the lock. Therefore, armlocks are usually more easily performed on the ground, from positions such as the [[mount (grappling)|mount]], [[side control|side mount]], or [[guard (grappling)|guard]]. Armlocks are more difficult to perform when both combatants are standing up, though the stand-up variants are a focus in certain systems such as [[Chin Na]]. A failed armlock can sometimes result in the opponent escaping and obtaining a [[grappling position|dominant position]].
Armlocks are considered less dangerous techniques in combat sports allowing joint locks, and are the most common joint locks used as [[grappling hold#Submission hold|submission holds]]. In sparring or training, armlocks are generally done in a slow and controlled manner, so that the opponent can [[submission (combat sport term)|submit]] before any damage is inflicted. In [[self-defense]] application, or when applied improperly or with excessive force, armlocks can cause [[muscle]], [[tendon]] and [[ligament]] damage, even [[Dislocation (medicine)|dislocation]], or [[bone fracture]]s.
==Armbar==
[[Image:Holly-armbar-on-Kennedy,-RLA-Melb-10.11.2007.jpg|thumb|right|250px|Armbars are often used as 'rest holds' in [[professional wrestling]], with only occasional use as submission holds]]
[[Image:Juji.jpg|thumb|Execution of juji gatame in a [[judo]] match]]
[[Image:Slam from armbar.jpg|thumb|right|200px|A fighter attempts to escape from an armbar by slamming the opponent to the ground.]]
An '''armbar''' (sometimes called a '''straight armbar''') is a [[joint lock]] that hyperextends the elbow joint. It is typically applied by placing the opponent's extended arm at the elbow over a [[fulcrum]] such as an arm, leg or hip, and controlling the opponent's body while leveraging the arm over the fulcrum. It is used in various [[grappling]] martial arts, including [[Brazilian jiu-jitsu]], [[Catch wrestling]], [[Judo]], [[Jiu-Jitsu]] and is one of the most common ways to win a match in [[mixed martial arts]] competition<ref>Sherdog.com. [http://www.sherdog.com/stats/fightendings_ratio.asp Top 20 most common fight endings]. ''www.sherdog.com''. URL last accessed [[August 18]] [[2006]].</ref>. The technique has several variations, with the best known and most effective in competition being the [[#Juji-gatame|juji-gatame]]. The juji-gatame is so common, that "armbar" is often used synonymously with juji-gatame.
The [[English language|English]] word "''bar''" is used here to signify the opponent's extended arm, while the [[Japanese language|Japanese]] word "''juji''" (十字) refers to the armbar's visual resemblance to the number 10 as written in [[Kanji]], 十. The word ''juji'' is also found in "''juujika''" (十字架), meaning a [[cross]].
===Juji-gatame===
The '''juji-gatame''' is derived from judo.(十字固, "cross armlock" or technically referred to as ''ude-hishigi-juji-gatame''; in [[professional wrestling]] the technique is referred to a "cross armbreaker" or "crucifix armbar"). In general, the attacker grabs the wrist of the targeted arm of the opponent, holding and securing it by squeezing it between the [[thigh]]s of the attacker. The attacker's legs end up across the opponent's chest, with the arm held between the thighs, with the elbow pointing against the thigh or hips. By holding the opponent's wrist to the attacker's chest, the attacker can extend the opponent's arm and hyperextend the opponent's elbow. The attacker can further increase the pressure on the elbow joint by arching his or her hips against the elbow. This is extremely effective, especially against unknowledgeable opponents.
====Flying armbar====
The '''flying armbar''' is a version of the juji-gatame that is performed from a stand-up position. Without a gi, it is typically applied when the opponent has a [[collar tie]]. By tightly holding the opponent's neck and arm, the attacker puts one of his or her [[shin]]s against the opponents midsection, and leans up on the opponent; at the same time, the attacker swings the leg on the same side as the opponent's collar tie over the opponents head, into the typical juji-gatame position. (With a gi, it can be performed without needing to hold the neck.) If improperly performed, this technique will cause the opponent to escape the hold and gain an advantageous position, even the option of slamming the attacker to the ground. The flying armbar is considered to be one of the most spectacular [[joint lock]]s, but it is uncommon because of the risk of losing [[grappling position|position]].
====Sankaku-gatame====
The ''sankaku-gatame'' or "triangular armlock" is a juji-gatame performed from the ''[[sankaku]]'' position . Originating from judo it is normally used when the ''shime'' (strangle) is not working. It's an effective competition technique due to the fact that the opponent's arm became exposed while defending the sankaku-jime and his attention is focused in stopping the strangle.
{{-}}
==Elbow lock==
An '''elbow lock''' is a type of [[joint lock]] that hyperflexes or hyperrotates the [[elbow|elbow joint]]. An elbow lock is applied by forcing the arm beyond its normal range of elbow-wise movement, which can be done through a variety of ways. Typically, the body is controlled from moving by using a [[grappling hold#Pinning hold|pinning hold]], and the arm is then pulled, pushed or twisted.
===Keylock===
A '''keylock''' (also known as a '''bent armlock''', '''figure-four armlock''' or '''''ude-garami''''') involves holding the forearm and using it to twist the upper arm [[Anatomical terms of location#Relative motions|laterally]] or [[Anatomical terms of location#Relative motions|medially]], similarly to turning a key in a keyhole. It is usually considered to be a shoulder lock since the primary pressure is often on the shoulder, but depending on how it is performed, significant pressure can also be applied to the elbow. It passes for a lock on the elbow in [[judo]] competitions, where only elbow locks are allowed. It can be applied from a multitude of positions, and it is the most common shoulder lock used as a [[grappling hold#Submission hold|submission hold]] in [[mixed martial arts]] competition. The keylock has several variations with their own names, for instance depending on in which direction the arm is rotated. The word "reverse" is sometimes added to signify medial rotation as in '''reverse keylock''' or ''reverse ude-garami'', in which case the usage of just "keylock" indicates lateral rotation.
====Figure Four Arm-lock/Americana (Ude-garami)====
The '''figure four arm-lock''' (also known in the [[USA]] as the '''americana''') is a term used in [[Brazilian Jiu-Jitsu]] to specify the lateral keylock known in [[judo]] as ''ude-garami'' (arm entanglement). This lock is generally applied only from the [[mount (grappling)|mount]] or [[side control]]. The opponent's arm is pinned to the ground so that it is bent at the elbow, with the opponent's palm upwards. The wrist is grabbed with the opposite hand, and the arm on the same side is put under the opponents arm, gripping the attacker's wrist. This results in the necessary [[figure-four hold]]. While keeping the opponent's hand pinned to the ground, begin sliding their pinned arm down and parallel to your thigh while cranking their elbow upwards. This is referred to as *painting*. The opponent will feel pressure on their elbow and/or shoulder. From some positions, such as [[kesa-gatame]], it is possible to apply this technique with a leg instead of using two arms.
The technique is one of the official 29 grappling techniques of Kodokan Judo. It is one of the nine joint techniques of the [[Judo Lists#Kansetsu-waza|Kansetsu-waza]] list, one of the three grappling lists in Judo's [[Katame-waza]][http://www.judoinfo.com/gokyo3.htm] enumerating 29 grappling techniques.[http://www.judoinfo.com/gokyo2.htm] All of Judo's competition legal joint techniques are arm locks.
====Kimura (Gyaku ude-garami)====<!--WARNING: OTHER ARTICLES LINK TO THIS SECTION NAME-->
[[Image:Masahiko Kimura vs Helio Gracie ude-garami.jpg|thumb|200px|The ''kimura lock'' (''Ude Garami''), applied on [[Hélio Gracie]] by [[Masahiko Kimura]]. Note that the arm is twisted unusually far because Hélio refused to submit.]]
'''Kimura''' ([[Brazilian Jiu-Jitsu]]), '''chicken wing/double wristlock''' ([[wrestling]]), or '''reverse keylock''' are terms used to specify a medial keylock known in judo as ''gyaku ude-garami'' (reverse arm entanglement) or simply as ''ude-garami''. The application is similar to the americana, except that it is reversed. It needs some space behind the opponent to be effective, and can be applied from the [[side control]] or [[guard (grappling)|guard]]. Contrary to the americana, the opponent's wrist is grabbed with the hand on the same side, and the opposite arm is put on the back side the opponent's arm, and again grabbing the attacker's wrist and forming a [[figure-four]]. By controlling the opponent's body and cranking the arm away from the attacker, pressure is put on the shoulder joint, and depending on the angle, also the elbow joint (in some variations the opponent's arm is brought behind his back, resulting in a finishing position resembling that of the ''hammerlock'' outlined below). The kimura was named after the [[judo]]ka [[Masahiko Kimura]], who used it to defeat one of the founders of Brazilian Jiu-Jitsu, [[Hélio Gracie]].
===Omoplata (Ashi-garami/sankaku-garami/ude-garami)===
The '''omoplata''' (sometimes referred to as ''ude-garami'' or ''sankaku-garami'', 三角緘, "triangular entanglement"<ref>{{cite book|author=Inokuma, Isao; Sato, Nobuyuki|title=Best Judo|publisher=Kodansha America|year=1987|id=ISBN 0-87011-786-6}}</ref><ref>Judo-club Hadamar. [http://www.judoclubhadamar.de/Judolexikon.htm Judo von A - Z]. ''www.judoclubhadamar.de''. URL last accessed [[August 18]] [[2006]]. (In German)</ref> or ''ashi-garami'', "leg entanglement"<ref>{{cite book|author=Kashiwazaki, Katsuhiko|title=Osaekomi - Judo Masterclass Techniques|publisher=Ippon USA|year=1997|id=1874572364}}</ref> in [[Judo]]) is a commonly featured shoulder lock in [[Brazilian Jiu-Jitsu]]. The locking mechanism is similar to the kimura lock, but instead of using a [[figure-four]], it is applied using a leg. The omoplata can be applied from the [[guard (grappling)|guard]], by placing one leg under the opponents armpit and turning 180 degrees in the direction of that leg, so that the leg moves over the back of the opponent and entangles the opponents arm. By controlling the opponent's body and pushing the arm perpendicularly away from the opponents back, pressure can be put on the opponent's shoulder. It is also possible to put pressure on the elbow joint by bending the leg entangling the arm, and twisting it in a specific manner. Though an effective lock, it is more difficult than other armlocks to successfully apply.
===Hammerlock===
[[Image:Burns03-05-60hammerlock.jpg|thumb|250px|A ''hammerlock'' as demonstrated in Farmer Burns correspondence course, 1913.]]
A '''hammerlock''' is a shoulder lock similar to the kimura lock where the opponent's arm is held bent against his or her back, and their hand forced upwards towards the neck, thereby applying pressure to the [[shoulder joint]]. The hammerlock is well-known as a [[grappling hold#Pain compliance hold|pain compliance hold]] in [[law-enforcement]] where it is typically used from a stand-up position to control an aggressor, and is also utilized in the application of [[handcuffs]]. It is also sometimes seen used as a [[grappling hold#Submission hold|submission hold]] in [[submission wrestling]] arts and professional wrestling.
==See also==
* For armlocks involving a separating motion of the [[elbow|elbow joint]], see [[compression lock#Biceps slicer|Biceps slicer]].
* [[Leglock]]
* [[Small joint manipulation]]
* [[Spinal lock]]
* [[Wristlock]]
==Notes==
{{Reflist}}
==References==
* Bothner, George; Gotch, Frank; Hackenschmidt, George; Liederman, Earle. [http://gnarlmaster.tripod.com/gnarlmaster/Hammerlock.htm Hammerlock]. ''gnarlmaster.tripod.com''. URL last accessed [[August 18]] [[2006]].
* Kesting, Stephan. [http://www.grapplearts.com/Omo-Plata-Article.htm Revolutionary Omo Plata]. ''www.grapplearts.com''. URL last accessed [[August 18]] [[2006]].
* Kesting, Stephan; Soares, Marcus. [http://www.grapplearts.com/Kimura-Article.htm Mastering the Kimura], ''www.grapplearts.com''. URL last accessed [[August 18]] [[2006]].
* Ohlenkamp, Neil. [http://judoinfo.com/jujigatame.htm The Most Powerful Armlock in Judo]. ''judoinfo.com''. URL last accessed [[August 18]] [[2006]].
* Trnka, Tue. [http://www.mmareporter.dk/?id=26 MMA-ordbogen]. ''www.mmareporter.dk''. URL last accessed [[August 18]] [[2006]]. (In Danish)
==External links==
===Armbar instructions===
* [http://judoinfo.com/jujigatame.htm The Judo Cross Armlock -- Jujigatame] By Neil Ohlenkamp, JudoInfo.com URL last accessed [[February 9]] [[2008]]
* [http://www.aesopian.com/tag/armbar Tutorials of BJJ armbar techniques]
* [http://www.bjj.org/techniques/bjjfighter/gi/mount/armbar/ Armbar]. Basic juji-gatame from the [[mount (grappling)|mount]]. URL last accessed [[August 18]] [[2006]].
* [http://www.andrew.cmu.edu/user/rcjones/guardarmbar.html Armbar Submission from the Guard]. Basic juji-gatame from the [[guard (grappling)|guard]]. URL last accessed [[August 18]] [[2006]].
* [http://www.bjj.org/techniques/bjjfighter/gi/guard/triangle/ Triangle choke (& armbar)]. [[Transition (grappling)|Transitioning]] from the [[triangle choke]] to an armbar. URL last accessed [[August 18]] [[2006]].
* [http://www.bjj.org/techniques/bjjfighter/gi/guard/double-armbar/ Double armbar]. Armbar on both arms.
* [http://www.geocities.com/josephgarza/tech042.html The flying armbar]. URL last accessed [[March 03]] [[2008]].
* [http://www.bjj.org/techniques/bjjfighter/gi/side/straight-armbar/ Straight armbar from side control]. URL last accessed [[August 18]] [[2006]].
* [http://www.mma-training.com/arm-bar.html Arm Bar instructional videos] The technique is taught from numerous positions.
* [http://submissions101.com/armlocks.htm Free Instructianal Submissions videos] Submissions101.com
===Shoulder lock instructions===
====Keylock====
* [http://innovativema.ca/forum/view.php?pg=scarfkeylock Keylock done with the legs]. Keylock from [[side control]] holding the arm with the legs. URL last accessed [[April 28]] [[2008]].
====Americana====
* [http://www.grapplearts.com/Americana-vs-Half-Guard.htm Americana Arm Lock from Top Half Guard]. URL last accessed [[April 28]] [[2008]].
====Kimura====
* [http://www.grapplearts.com/Kimura-vs-Half-Guard.htm Kimura Arm Lock from Top Half Guard]. URL last accessed [[April 28]] [[2008]].
* [http://www.grapplearts.com/Kimura-Technique-1.htm Marcus Soares Kimura from Closed Guard]. Kimura from the [[guard (grappling)|closed guard]]. URL last accessed [[April 28]] [[2008]].
====Omoplata====
* [http://www.grapplearts.com/Omo-Plata-Article.htm Revolutionary Omo Plata]. Discussion about moves that can be used in combination with the omoplata. URL last accessed [[April 28]] [[2008]].
[[Category:Joint locks]]
[[de:Hebel (Kampfsport)]]
[[nl:Armklem]]
[[ja:アームロック]]