A grappling hold, commonly referred to simply as a hold that in Japanese is referred to as katame-waza (固め技 "grappling technique"), is any specific grappling, wrestling, judo, or other martial art grip that is applied to an opponent. Grappling holds are used principally to control the opponent and to advance in points or positioning. The holds may be categorized by their function, such as clinching, pinning, or submission, while others can be classified by their anatomical effect: chokehold, headlock, joint-lock, or compression lock.
An injury is any physiological damage to living tissue caused by immediate physical stress. An injury can occur intentionally or unintentionally and may be caused by blunt trauma, penetrating trauma, burning, toxic exposure, asphyxiation, or overexertion. Injuries can occur in any part of the body, and different symptoms are associated with different injuries. Treatment of a major injury is typically carried out by a health professional and varies greatly depending on the nature of the injury.
A traumatic brain injury (TBI), also known as an intracranial injury, is an injury to the brain caused by an external force. TBI can be classified based on severity ranging from mild traumatic brain injury (mTBI/concussion) to severe traumatic brain injury. TBI can also be characterized based on mechanism (closed or penetrating head injury) or other features (e.g., occurring in a specific location or over a widespread area). Head injury is a broader category that may involve damage to other structures such as the scalp and skull.
A chokehold, choke, stranglehold or, in Judo, shime-waza (絞技) is a general term for a grappling hold that critically reduces or prevents either air (choking) 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.
Jujutsu (dʒuːˈdʒɪtsuː ; 柔術 , dʑɯꜜːʑɯtsɯ), 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 subdue one or more weaponless or armed and armored opponents. Jiu-jitsu dates back to the 1530s and was coined by Hisamori Tenenouchi when he officially established the first jiu-jitsu school in Japan. This form of martial arts uses few or no weapons at all and includes strikes, throws, holds, and paralyzing attacks against the enemy.
Brain ischemia is a condition in which there is insufficient bloodflow to the brain to meet metabolic demand. This leads to poor oxygen supply or cerebral hypoxia and thus leads to the death of brain tissue or cerebral infarction/ischemic stroke. It is a sub-type of stroke along with subarachnoid hemorrhage and intracerebral hemorrhage. Ischemia leads to alterations in brain metabolism, reduction in metabolic rates, and energy crisis.
Hanging is killing a person by suspending them from the neck with a noose or ligature. Hanging has been a common method of capital punishment since the Middle Ages, and is the primary execution method in numerous countries and regions. The first known account of execution by hanging is in Homer's Odyssey. Hanging is also a method of suicide. The past and past participle of hang in this sense is hanged rather than hung. There are numerous methods of hanging in execution which instigate death either by cervical fracture or by strangulation.
Death by burning (also known as immolation) is an execution, murder, or suicide method involving combustion or exposure to extreme heat. It has a long history as a form of public capital punishment, and many societies have employed it as a punishment for and warning against crimes such as treason, heresy, and witchcraft. The best-known execution of this type is burning at the stake, where the condemned is bound to a large wooden stake and a fire lit beneath.
is an unarmed modern Japanese martial art, Olympic sport (since 1964), and the most prominent form of jacket wrestling competed internationally. Judo was created in 1882 by Kanō Jigorō (嘉納 治五郎) as an eclectic martial art, distinguishing itself from its predecessors (primarily Tenjin Shinyo-ryu jujutsu and Kitō-ryū jujutsu) due to an emphasis on "randori" (乱取り, lit. 'free sparring') instead of "kata" (pre-arranged forms) alongside its removal of striking and weapon training elements.
Capital punishment, also known as the death penalty and formerly called judicial homicide, is the state-sanctioned practice of killing a person as a punishment for a crime, usually following an authorized, rule-governed process to conclude that the person is responsible for violating norms that warrant said punishment. The sentence ordering that an offender be punished in such a manner is known as a death sentence, and the act of carrying out the sentence is known as an execution.
