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Submission hold that reduces air or blood flow From Wikipedia, the free encyclopedia
A chokehold, choke, stranglehold or, in Judo, shime-waza (Japanese: 絞技, lit. 'constriction technique')[1] is a general term for a grappling hold that critically reduces or prevents either air (choking)[2] or blood (strangling) from passing through the neck of an opponent. The restriction may be of one or both and depends on the hold used and the reaction of the victim. While the time it takes for the choke to render an opponent unconscious varies depending on the type of choke, the average across all has been recorded as 9 seconds.[3]
| Chokehold | |
|---|---|
.jpg) Rear naked choke between two US soldiers. | |
| Style | Brazilian jiu-jitsu, judo, sambo |
| AKA | Choke, stranglehold, shime-waza |
The lack of blood or air often leads to unconsciousness or even death if the hold is maintained. Chokeholds are used in martial arts, combat sports, self-defense, law enforcement and in military hand to hand combat applications. They are considered superior to brute-force manual strangling, which generally requires a large disparity in physical strength to be effective.[4] Rather than using the fingers or arms to attempt to crush the neck, chokeholds effectively use leverage such as figure-four holds or collar holds that use the clothes to assist in the constriction.
The terminology used varies; in most martial arts, the term "chokehold" or "choke" is used for all types of grappling holds that strangle. This can be misleading as most holds aim to strangle not choke with the exception of "air chokes" (choking means "to have severe difficulty in breathing because of a constricted or obstructed throat or a lack of air"[2]). In Judo terminology, "blood chokes" are referred to as "strangleholds" or "strangles" while "air chokes" are called "chokeholds" or "chokes".[1] In forensics, the terms "strangle" and "stranglehold" designate any type of neck compression,[4] while in law-enforcement they are referred to as "neck holds".[5]
An air choke (or tracheal choke) specifically refers to a "true" choke that compresses the upper airway (trachea, larynx or laryngopharynx), hence interfering with breathing and leading to asphyxia. Although less effective at inducing unconsciousness than its vascular counterpart, the air choke causes excruciating pain and air hunger, and in combat sports a fighter will usually yield to such a submission hold. Air chokes have been associated with fractures of the larynx or hyoid bone, and are considered less safe than blood chokes to practice.[citation needed]
Blood chokes (or carotid restraints / sleeper holds) are a form of strangulation that compress one or both carotid arteries and/or the jugular veins without compressing the airway, hence causing cerebral ischemia and a temporary hypoxic condition in the brain.[6] A well-applied blood choke may lead to unconsciousness in 10–20 seconds.[7] Injury or death is plausible if the arteries remain constricted for several minutes or more.[8] Compared to strangulation with the hands, properly applied blood chokes require little physical strength.
Most chokeholds featured in combat sports and martial arts are blood chokes, although some air chokes or combinations occur as well. Blood chokes, especially the rear naked choke, triangle chokes, or gi chokes, are commonly used as submission holds in Brazilian jiu-jitsu. In judo, chokeholds, known as shime-waza, are often subject to restrictions based on age or rank. Chokeholds are not allowed in sport sambo but are allowed in combat sambo. The chokeholds used in catch wrestling and shoot wrestling are the inspiration for the "chokeholds" in modern professional wrestling performances. Due to the effectiveness of chokeholds and their popularity in a wide variety of martial arts, they are most often used to force submissions in mixed martial art and submission grappling competitions.
Some martial arts include instruction on kappo, resuscitation techniques to heal a fighter choked to unconsciousness.
In law enforcement the goal is to force an uncooperative subject to submit without causing death or permanent injury. In this situation it is vital to distinguish between air and blood chokes. A hold that simultaneously blocks both the left and right carotid arteries results in cerebral ischemia and loss of consciousness within seconds. If properly applied, the hold produces almost immediate cessation of resistance. However to avoid injury the hold cannot be maintained more than a few seconds. When pressure on the carotids is released, the flow of oxygenated blood resumes immediately and consciousness slowly returns. In contrast, if the airway rather than the carotid arteries is blocked, the subject cannot breathe, but his brain is still perfused with blood and he will remain conscious and may continue to struggle for a minute or more; he will lose consciousness only when the oxygen in the circulating blood is consumed and he collapses from hypoxia. Even if the hold is released at this point, the blood circulating through the brain contains no oxygen, and consequently the subject may not regain consciousness or resume spontaneous breathing. Possibly the most important element of training for the use of chokeholds in law enforcement is the understanding that the subject should always be able to breathe freely. The operator uses his right arm to compress both sides of the subject's neck, assisted by the pressure of his left hand, while his elbow, sharply flexed and centered over the midline, places no pressure on the trachea.[9]
Following a series of choking deaths, the Los Angeles Police Department banned chokeholds in 1980, and was soon followed by police departments nationwide. Choking suspects was widely banned by American police departments by the early 1990s, when New York City strengthened the force of an earlier ban on chokeholds.[10] (It is also forensically known as a "carotid sleeper".)[11]
Despite the ban, in 2014, NYPD police killed Eric Garner by administering the prohibited hold. Garner was assaulted on suspicions of selling cigarettes without tax stamps, although he was not doing so. While being in the chokehold and restrained by multiple officers, he repeated the words "I can't breathe" 11 times while lying face down on the sidewalk. Garner lost consciousness and died approximately an hour later; his autopsy revealed that his death was a result of "[compression] of neck, compression of chest and prone positioning during physical restraint by police."[12] His death and quote became a prominent factor of Black Lives Matter protests, a social movement originating in 2013[13][14] and becoming most popular during the George Floyd protests in 2020 following his murder by Minneapolis police officer Derek Chauvin.[15][16] In response, the George Floyd Justice in Policing Act of 2021 was introduced, part of its statutes including prohibiting federal police officers from using chokeholds or other carotid holds, along with state and local law enforcement agencies that receive federal funding.[17][18]
 | This section needs additional citations for verification. (June 2020) |
One powerful way to grasp the arms together when doing front headlocks is the Gable grip. Named after wrestler Dan Gable, it involves clasping the hands together, palm to palm, at a ninety degree angle, with thumbs tucked in.
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