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An armlock in
grappling Grappling, in hand-to-hand combat, describes sports that consist of gripping or seizing the opponent. Grappling is used at close range to gain a physical advantage over an opponent, either by imposing a position or causing injury. Grappling i ...
is a single or double
joint lock A joint lock is a grappling technique involving manipulation of an opponent's joints in such a way that the joints reach their maximal degree of motion and hyperextension. In judō these are referred to as, 関節技 ''kansetsu-waza'', "joint lo ...
that hyperextends, hyperflexes or hyperrotates the elbow joint or
shoulder joint The shoulder joint (or glenohumeral joint from Greek ''glene'', eyeball, + -''oid'', 'form of', + Latin ''humerus'', shoulder) is structurally classified as a synovial ball-and-socket joint and functionally as a diarthrosis and multiaxial joint ...
. An armlock that hyper-extends the arm is known as an armbar, and it includes the traditional armbar, pressing their elbow into your thigh, and the triangle armbar, like a triangle choke, but you press their elbow into your thigh. An armlock that hyper-rotates the arm is known as an armcoil, and includes the americana, kimura, and omaplata. Depending on the joint
flexibility Stiffness is the extent to which an object resists deformation in response to an applied force. The complementary concept is flexibility or pliability: the more flexible an object is, the less stiff it is. Calculations The stiffness, k, of a bo ...
of a person, armcoils can either hyper-rotate only the shoulder joint, only the elbow joint, or both the elbow joint and shoulder joint. Generally, armcoils hurt more than armbars, as they attack several joints at the bone and muscle. Obtaining an armlock requires effective use of full-body
lever A lever is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or '' fulcrum''. A lever is a rigid body capable of rotating on a point on itself. On the basis of the locations of fulcrum, load and effort, the lever is ...
age in order to initiate and secure a lock on the targeted arm, while preventing the opponent from escaping the lock. Therefore, performing an armlock is less problematic on the ground, from positions such as the
mount Mount is often used as part of the name of specific mountains, e.g. Mount Everest. Mount or Mounts may also refer to: Places * Mount, Cornwall, a village in Warleggan parish, England * Mount, Perranzabuloe, a hamlet in Perranzabuloe parish, ...
, side control, or 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 Qinna () is the set of joint lock techniques used in the Chinese martial arts to control or lock an opponent's joints or muscles/tendons so they cannot move, thus neutralizing the opponent's fighting ability. ''Qinna Shu'' ( meaning "technique") ...
. Armlocks, considered less dangerous techniques in combat sports allowing joint locks, are the most common joint locks used as
submission holds A grappling hold, commonly referred to simply as a hold that in Japanese is referred to as ''katame-waza'' ( "grappling technique"), is any specific grappling, wrestling, judo, or other martial art grip that is applied to an opponent. Grapplin ...
. In training, the method of executing an armlock is generally slow and controlled to give the opponent time to submit prior to any infliction of injury. However, in
self-defense Self-defense (self-defence primarily in Commonwealth English) is a countermeasure that involves defending the health and well-being of oneself from harm. The use of the right of self-defense as a legal justification for the use of force in ...
applications, or when applied improperly or with excessive force, armlocks can cause
muscle Skeletal muscles (commonly referred to as muscles) are organs of the vertebrate muscular system and typically are attached by tendons to bones of a skeleton. The muscle cells of skeletal muscles are much longer than in the other types of m ...
,
tendon A tendon or sinew is a tough, high-tensile-strength band of dense fibrous connective tissue that connects muscle to bone. It is able to transmit the mechanical forces of muscle contraction to the skeletal system without sacrificing its abilit ...
and
ligament A ligament is the fibrous connective tissue that connects bones to other bones. It is also known as ''articular ligament'', ''articular larua'', ''fibrous ligament'', or ''true ligament''. Other ligaments in the body include the: * Peritoneal ...
damage, even
dislocation In materials science, a dislocation or Taylor's dislocation is a linear crystallographic defect or irregularity within a crystal structure that contains an abrupt change in the arrangement of atoms. The movement of dislocations allow atoms to s ...
, or
bone fracture A bone fracture (abbreviated FRX or Fx, Fx, or #) is a medical condition in which there is a partial or complete break in the continuity of any bone in the body. In more severe cases, the bone may be broken into several fragments, known as a '' ...
s.


Armbar

The jūji-gatame (十字固め, rendered as " Ude-Hishigi-Juji-Gatame"), which translates to "cross pin" or "cross hold down" also sometimes used interchangeably with the terms armbar, cross armbar or straight armbar, is a Jujutsu, and thus a Judo, technique also widely used in other grappling martial arts such as
Brazilian jiu-jitsu Brazilian jiu-jitsu (BJJ; pt, jiu-jitsu brasileiro ) is a self-defence martial art and combat sport based on grappling, ground fighting ( ne-waza) and submission holds. BJJ focuses on the skill of taking an opponent to the ground, control ...
(BJJ). The English word "bar" is used here to signify the opponent's extended arm, while the Japanese word "jūji" (十字) refers to the armbar's visual resemblance to the number 10 as written in
kanji are the logographic Chinese characters taken from the Chinese script and used in the writing of Japanese. They were made a major part of the Japanese writing system during the time of Old Japanese and are still used, along with the subsequ ...
, 十. The word jūji is also found in "jūjika" (十字架), meaning a cross. In general, the practitioner secures an arm at the wrist of the opponent, trapping it by squeezing the
knee In humans and other primates, the knee joins the thigh with the leg and consists of two joints: one between the femur and tibia (tibiofemoral joint), and one between the femur and patella (patellofemoral joint). It is the largest joint in the ...
s together. To initiate the submission one of the legs will be across the chest of the opponent, the second leg's calf will cross face the opponent, with the hips tight into the armpit, 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 with the pinky finger on the sternum and the thumb facing up (arm semi-
supinated Motion, the process of movement, is described using specific anatomical terms. Motion includes movement of organs, joints, limbs, and specific sections of the body. The terminology used describes this motion according to its direction relativ ...
or semi- pronated), the practitioner can easily 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 hips against the elbow. This technique is used in various grappling martial arts, including but not limited to
Brazilian jiu-jitsu Brazilian jiu-jitsu (BJJ; pt, jiu-jitsu brasileiro ) is a self-defence martial art and combat sport based on grappling, ground fighting ( ne-waza) and submission holds. BJJ focuses on the skill of taking an opponent to the ground, control ...
, catch wrestling,
judo is an unarmed modern Japanese martial art, Olympic sport (since 1964), and the most prominent form of jacket wrestling competed internationally.『日本大百科全書』電子版【柔道】(CD-ROM version of Encyclopedia Nipponica, "Judo"). ...
,
jujutsu Jujutsu ( ; ja, link=no, 柔術 , ), also known as jiu-jitsu and ju-jitsu, is a family of Japanese martial arts and a system of close combat (unarmed or with a minor weapon) that can be used in a defensive or offensive manner to kill or subdu ...
,
Sambo , aka = Sombo (in English-speaking countries) , focus = Hybrid , country = Soviet Union , pioneers = Viktor Spiridonov, Vasili Oshchepkov, Anatoly Kharlampiev , famous_pract = List of Practitioners , olym ...
, and
shoot wrestling Shoot wrestling is a combat sport that originated in Japan's professional wrestling circuit of the 1970s. Professional wrestlers of that era attempted to use more realistic or even "full contact" moves in their matches to increase their exciteme ...
, and is reportedly at least 200 years old.


Flying armbar

The flying armbar or tobi-jūji-gatame (飛び十字固め) is a version of the jūji-gatame that is performed from a stand-up position. Without a gi, it is typically applied when the opponent has a
collar tie Collar tie is a grappling clinch hold that is used to control the opponent. It is performed from the front of the opponent by grabbing the opponent by the collar, behind the neck, or behind the trapezius muscle. A collar tie using one hand is ca ...
and arm control. By tightly holding the opponent's neck and arm, the practitioner places one of his
shin Shin may refer to: Biology * The front part of the human leg below the knee * Shinbone, the tibia, the larger of the two bones in the leg below the knee in vertebrates Names * Shin (given name) (Katakana: シン, Hiragana: しん), a Japanese g ...
s against the opponent's 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 opponent's head, into the typical jūji-gatame position. A slight modification of this maneuver can also be made. Instead of initiating the move by placing the shin against the opponent's midsection, the lower leg can be directed through the space between the arm and trunk of the opponent with the knee generally placed close to the opponent's armpit. The advantage of this modification is that the attacking practitioner's hips more closely engage with the defender's shoulders, making the forthcoming armbar submission easier to accomplish. However, the disadvantage of this modification is that the associated risk of injury is increased due to the attacker's increased height above the ground and near-vertical upside-down angle to the ground. (With a gi, it can be performed without needing to hold the neck.) If improperly performed, this technique can allow the opponent to escape, and gain an advantageous position. The flying armbar is considered to be one of the most visually spectacular joint locks, but it is uncommon because of the associated risk of falling into a poor
position Position often refers to: * Position (geometry), the spatial location (rather than orientation) of an entity * Position, a job or occupation Position may also refer to: Games and recreation * Position (poker), location relative to the dealer ...
.


Helicopter armbar

The helicopter armbar is a slightly different version of the armbar, a combination of an armbar and tomoe nage, which is also used by wrestling, Judo and BJJ. When the attacker stands in front of the opponent, he grabs both of his arms and falls backwards, causing the opponent to lean forward. Then the attacker puts his feet on the opponent's stomach or hips and lifts him up with his feet. While securing one of the opponents arms, the attacker will drop one foot (Same side as the secured arm). This will cause the opponent to twist and fall, landing with the secured arm extended by the attacker.


Sankaku-gatame

The sankaku-gatame (三角固め) or triangle armlock is a jūji-gatame performed from the ''sankaku'' position. It is normally used when the ''shime'' (strangle) is not working. It is an effective competition technique because the opponent's arm became exposed while defending the sankaku-jime and their attention is focused in stopping the strangle.


Shoulder locks

The "shoulder lock" is a technique used as a method of upper body restraint. It should not be confused with a choke because the lock does not block or interfere with the flow of air or oxygen to the brain. The application is executed by applying pressure between the radial bone and shoulder.


Top shoulder lock

The top shoulder lock, (Also known as the figure-four armlock, bent armlock, americana, keylock, V1 armlock, paintbrush, or ude-garami) is a
grappling Grappling, in hand-to-hand combat, describes sports that consist of gripping or seizing the opponent. Grappling is used at close range to gain a physical advantage over an opponent, either by imposing a position or causing injury. Grappling i ...
keylock technique in which both of the practitioner's arms isolate and cause
flexion Motion, the process of movement, is described using specific anatomical terms. Motion includes movement of organs, joints, limbs, and specific sections of the body. The terminology used describes this motion according to its direction relativ ...
to the shoulder,
elbow The elbow is the region between the arm and the forearm that surrounds the elbow joint. The elbow includes prominent landmarks such as the olecranon, the cubital fossa (also called the chelidon, or the elbow pit), and the lateral and the m ...
, and to a lesser extent the
wrist 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; "The wrist contains eight bones, roughly aligned in two rows, known as the carpal ...
of the opponent. The technique is generally set in motion by the practitioner, using their opposite side hand (i.e. to target the opponents' right hand he uses his own left hand), pinning the opponent's arm to the ground at the wrist, so that the elbow falls at a
right angle In geometry and trigonometry, a right angle is an angle of exactly 90 degrees or radians corresponding to a quarter turn. If a ray is placed so that its endpoint is on a line and the adjacent angles are equal, then they are right angles. ...
with the palm facing upwards. Subsequently, the practitioner will thread his opposite hand under the opponent's biceps, reach through and grasp his own wrist. Doing so creates the signature "
figure four The Figure Four is a Canadian hardcore punk band, started in December 1997, and recorded 3 albums since. The band usually performs songs of the hardcore punk and metalcore genres. The band is currently on hiatus. Biography Figure Four started ...
", from which one name for this technique was derived. This also gives the practitioner a mechanical advantage over the opponent. To finish the submission the practitioner slides the wrist of the opponent toward the lower body, while simultaneously elevating the elbow and forearm, in a motion resembling using a paintbrush, creating opposition to the joints and causing the necessary flexion in the shoulder and elbow to cause significant pain, and damage if the opponent fails to submit. While it is feasible to execute this technique from several different positions, the most commonly utilized is the side mount position. This technique also has numerous variations with their own nomenclature, for instance depending on the rotational direction the arm, the addition of the word "reverse" signifying medial rotation as in reverse keylock or reverse ude-garami, in which case the usage of "keylock" indicates lateral rotation only.


Double wristlock (Gyaku ude-garami)

Double wristlock / chicken wing ( catch wrestling), kimura (
Brazilian Jiu-Jitsu Brazilian jiu-jitsu (BJJ; pt, jiu-jitsu brasileiro ) is a self-defence martial art and combat sport based on grappling, ground fighting ( ne-waza) and submission holds. BJJ focuses on the skill of taking an opponent to the ground, control ...
), 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 top wristlock, 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. Contrary to the top wristlock, the opponent's wrist is grabbed with the hand on the same side, and the opposite arm is put behind the opponent's arm, 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 their back, resulting in a finishing position resembling that of the ''hammerlock'' outlined below). The name "kimura" started circulating in Brazil after a judoka and a professional wrestler
Masahiko Kimura was a Japanese judoka and professional wrestler who is widely considered one of the greatest judoka of all time.Jim Chen, Theodore ChenThe Man Who Defeated Helio Gracie.July 3, 2003. He won the All-Japan Judo Championships three times in a row ...
used it to defeat one of the founders of Brazilian Jiu-Jitsu, Hélio Gracie. This variation of the name gained more prominence in MMA after the introduction of UFC, and the role Gracie had in its early history. Although a top wristlock is technically a reverse double wristlock, UFC announcer
Bruce Buffer Bruce Anthony Buffer (born May 21, 1957) is an American professional mixed martial arts ring announcer and the official octagon announcer for Ultimate Fighting Championship (UFC) events, introduced on broadcasts as the "Veteran Voice of the Octag ...
still announces fights won by top wristlock as "by tap-out due to a kimura". The double wristlock is considered in catch wrestling to be the bread-and-butter part of their style. Professional wrestler
Terry Funk Terrence Funk (born June 30, 1944) is an American retired professional wrestler, rapper, disc jockey and actor. Funk is known for the longevity of his career – which spanned more than 50 years and included multiple short-lived retirements – ...
credits Lorigo "Tony" Morelli with introducing the hold to wrestling "in the '20s", and expressed light frustration with the term "kimura" gradually replacing "double wristlock". He says Morelli set it up by giving opponents (either in fixed matches or legitimate challenges) his back, while standing, throughout his thirty-year career. A reporter for ''
The Spokesman-Review ''The Spokesman-Review'' is a daily broadsheet newspaper based in Spokane, Washington, the city's sole remaining daily publication. It has the third-highest readership among daily newspapers in the state, with most of its readership base in ...
'' used the term in June 1925 to describe a submission by Jim "Cyclone Thompson" Corrigan over the deputy sheriff of
Worley, Idaho Worley is a city in southwestern Kootenai County, Idaho, United States. The population was 257 at the 2010 census, up from 223 in 2000.
, without elaborating on the mechanics. '' The Wichita Eagle'' did likewise that April, for Dick Daviscourt's first fall on strongman Henry "Milo" Steinborn. The 1928 National Collegiate Athletic Association rulebook noted, "Attention is called to the fact that if the double wristlock is brought up to a twisting hammerlock, it becomes an illegal hold and must be stopped by the Referee...". Elsewhere, it prohibits preventing an opponent from escaping with a bodylock, with low-quality photographic illustration. It also noted concern for the danger of a legally applied double wristlock. Robin Reed had used the move to force pins on his way to an Olympic gold medal in 1924.


Omoplata (sankaku-garami)

The omoplata (referred to in judo as ashi-sankaku-garami, 三角緘, "triangular entanglement" and in catch wrestling as coil lock) is another bent arm shoulder lock. The locking mechanism is similar to the kimura bent arm lock, but instead of using a figure-four, it is applied using a leg. The omoplata can be applied from the guard, by placing one leg under the opponent's 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 opponent's arm. By controlling the opponent's body and pushing the arm perpendicularly away from the opponent's 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. In order to secure the opponent and prevent him from rolling out of the lock, the inner arm can be thrown over the opponent's waist as a "seatbelt" securing the opponent. Though an effective lock, it is more difficult than other armlocks to successfully apply. The technique called a monoplata is a similar armlock that resembles jūji-gatame or spiderweb position yet has a mechanism like an omoplata. Tsunetane Oda, a judo groundwork specialist who died in 1955, was shown on video to have demonstrated the technique.


Hammerlock

A hammerlock is a shoulder lock similar to the double wristlock where the opponent's arm is held bent against their back, and their hand forced upwards towards the neck, thereby applying pressure to the
shoulder joint The shoulder joint (or glenohumeral joint from Greek ''glene'', eyeball, + -''oid'', 'form of', + Latin ''humerus'', shoulder) is structurally classified as a synovial ball-and-socket joint and functionally as a diarthrosis and multiaxial joint ...
. This version of the rotational armlock has been present in wrestling circles for centuries and its earliest appearance is in a 16th century German book detailing techniques for European Wrestling. In BJJ circles, this is sometimes referred to as ''chicken wing''. In recent years, its popularity with North Caucasian wrestlers like Khabib Nurmagomedov has garnered the lock the nickname ''Dagestani Handcuffs''.


See also

* For armlocks involving a separating motion of the elbow joint, see Biceps slicer *
Leglock A leglock is a joint lock that is directed at joints of the leg such as the ankle, knee or hip joint. A leglock which is directed at joints in the foot, is sometimes referred to as a foot lock and a lock at the hip as a hip lock. Leglocks are feat ...
* Small joint manipulation * Spinal lock * Wristlock


References


External links

* Gracie BJJ
Kimura Lock
mmasubmissionmoves.com. * Bothner, George; Gotch, Frank; Hackenschmidt, George; Liederman, Earle

gnarlmaster.tripod.com. * Kesting, Stephan

www.grapplearts.com. * Kesting, Stephan; Soares, Marcus

www.grapplearts.com. * Ohlenkamp, Neil

judoinfo.com. * Trnka, Tue
MMA-ordbogen
www.mmareporter.dk. URL last accessed August 18, 2006. (In Danish) {{Martial arts Grappling positions Joint locks