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Air choke[ edit ] 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 submit 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.
Injury or death is plausible if the arteries remain constricted for more than 20 seconds. Compared to strangulation with the hands, properly applied blood chokes require little physical strength. 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.
Use in law enforcement lateral vascular neck restraint [ edit ] 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. Following a series of choking deaths, the Los Angeles Police Department banned chokeholds in , and was soon followed by police departments nationwide.
Choking suspects was widely banned by American police departments by the early s, when New York City strengthened the force of an earlier ban on chokeholds. The attacker then arches his back, bending backward to apply the choke. Arm triangle choke — Choke starting with the attacker facing the opponent. The attacker passes the arm over the opponents same-side shoulder and across the back to the other shoulder.
The attacker then positions the opponents arm across their neck and traps it using their head and applies pressure. May be performed from the top, or the bottom. Guillotine — Applied in front of and above the opponent, the attacker restricts air flow by lifting the forearm into the neck.
A common finishing hold in mixed martial arts. Uses the shoulder and biceps to cut off air flow. Push choke — This can be applied a prone opponent, facing the person applying, by simply placing a hand to the throat, and pushing down, as the name implies. This is an air choke, and if left applied for too long, will result in fracture of the Hyoid bone in the neck, and death.
Because of the high likelihood of death to the opponent, it is often not used in most fighting, and is an outlawed hold within the wrestling community because of the high chance of it being mis-delivered, resulting in death. Rear naked choke — Applied from behind the opponent, starting by looping one arm around the neck so that the crook of the elbow is under the opponents chin, then placing the hand of that arm on the opposite biceps.
A simple and effective chokehold, it is the most common finishing hold in mixed martial arts competition. Shin choke — Used on a prone opponent, by simply placing the shin across the neck, resulting in constriction of airflow to the lungs, it will quickly result in the loss of consciousness of the opponent.
It digs the blade of the wrist into the carotid sinus similar to the hand clasp method and uses a lever motion helped by the underhand.
Von Flue choke — this choke is mostly used in MMA, and some rare instances in wrestling, because of the rarity of its use, it is often overlooked in its effectiveness. The choke is applied with the opponent in a supine position, with his back against the mat, the person applying then laces his closest arm around the back of the head, and places his entire body weight against the neck, causing both air constriction, and restriction of blood flow to the brain, prolonged applying of this hold can result in loss of consciousness, either due to loss of blood flow to the brain, or loss of air to the lungs, if kept applied for too long, it can result in death to the opponent.
Archivo de la categoría: SHIME-WAZA (Técnicas estrangulación Judo)
How Safe is Choking in Judo? Koiwai, M. When properly applied, the choke hold causes unconsciousness in seconds. No fatalities as a result of shime-waza have been reported in the sport of judo since its inception in Using the choke hold, officers may afford themselves maximum safety while subjecting the suspect to a minimum possibility of injury. The author has reviewed 14 fatalities with autopsy findings where death was allegedly caused by the use of choke holds. Recently, however, there have been reports of deaths allegedly caused by the use of choke holds, which have led to class action suits against its use from local to state to the U.
3.- Shime-Waza (Estrangulaciones)
Choking Techniques (Shime-Waza)
List of Kodokan judo techniques