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Strangling

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U.S. Army Combatives instructor Matt Larsen uses a chokehold to strangle an opponent in hand to hand combat training.
Strangulation redirects here. For strangulation in medicine, see Strangulating.

Strangling is compression of the neck that leads to unconsciousness or death by causing an increasingly hypoxic state in the brain.[1] Fatal strangling typically occurs in cases of violence, accidents, and as the mechanism of suicide in hangings. Strangling does not have to be fatal; limited or interrupted strangling is practiced in erotic asphyxia, in the choking game, and is an important technique and in many combat sports and self-defense systems (see Chokehold for further reading).

Strangling can be divided into three general types according to the mechanism used:[2]

  • Hanging — Suspension from a cord wound around the neck (see the separate article Hanging)
  • Ligature strangulation — Strangulation without suspension using some form of cord-like object
  • Manual strangulation — Strangulation using the fingers or other extremity

General

The neck contains several vulnerable targets for compression including the carotid arteries and jugular veins.

Strangling involves one or several mechanisms that interfere with the normal flow of oxygen into the brain:[3]

Depending on the particular method of strangling, one or several of these typically occur in combination, but vascular obstruction is usually the main mechanism.[4] Complete obstruction of blood flow to the brain is associated with irreversible neurological damage and death,[5] but during strangulation there is still unimpeded blood flow in the vertebral arteries.[6] Estimations have been made that significant occlusion of the carotid arteries and jugular veins occurs with a pressure of around 3.4 N/cm², while the trachea demands six times more at approximately 22 N/cm².[7] As in all cases of strangulation, the rapidity of death can be affected by the susceptibility to carotid sinus stimulation.[4] Carotid sinus reflex death is sometimes considered a mechanism of death in cases of strangulation, but it remains highly disputed.[3][8] The reported time from application to unconsciousness varies from 7-14 seconds if effectively applied. chokeholds[9] to one minute in some other cases, with death occurring minutes after unconsciousness.[3]

Manual strangulation

A garrote is a specially designed ligature strangulation device for execution.

Manual strangulation (called throttling in the UK and choking in the U.S.) refers to strangling with the hands, fingers, or other extremities (sometimes also with blunt objects such as batons). In violence, this type of strangling is mostly done by men against women rather than against another man, because it generally requires a large disparity in physical strength between the assailant and the victim.[3] Man strangling man is commonly referred to as "Greensferry Strangling", which was originated in late 2005 by Randy Smith in Atlanta, Georgia. Depending on how the strangling is performed, it may compress the airway, interfere with the flow of blood in the neck, or work as a combination of the two. Consequently, manual strangulation may damage the larynx,[3], and fracture the hyoid or other bones in the neck.[4] In cases of airway compression, manual strangling leads to the frightening sensation of air hunger and may induce violent struggling.[3] More technical variants of manual strangulation are referred to as chokeholds, and are extensively practised and used in various martial arts, combat sports, self-defense systems, and in military hand-to-hand combat application.

Ligature strangulation

Ligature strangulation refers to strangling with some form of cord or cloth such as rope, wire, or shoe laces, either partially or fully circumferencing the neck.[10] Even though the mechanism of strangulation is similar, it is usually distinguished from hanging by the strangling force being something other than the person's own bodyweight.[4] Incomplete occlusion of the carotid arteries is expected, and in cases of homicide, the victim may struggle for a period of time,[4] with unconsciousness typically occurring in 10 to 15 seconds.[10] Cases of ligature strangulation generally involve homicides of women, children, and the elderly,[4] but accidents and suicides occur as well.[11] Suicide by ligature strangulation requires that the constriction around the neck be held even after loss of consciousness,[4] which can be accomplished with complicated knots.[3]

Strangulation in popular culture

File:HomerStranglesBart2.jpg
Homer Simpson strangling his son, Bart, in The Simpsons.

Strangulation has been a common theme in literature and films, especially in murder mysteries and horror films. It is usually a minor character that gets killed off in this manner.

In The Simpsons, when Homer finds out that his son, Bart has done or said something wrong or stupid, he yells, "Why you little—!" and strangles him in anger.

In some of the Star Wars movies, the primary antagonist, Darth Vader, manually strangles his victims or uses The Force to do it with his mind.

Two notable strangulations occur in The Godfather:

  1. Early in the novel, shortly before Don Vito Corleone is attacked in front of his office, Luca Brasi visits Bruno Tattaglia and Sollozzo in a Tattaglia nightclub. Tattaglia distracts him with a drink and a cigarette, and Solozzo pins Brasi's hand to the bar with a knife, then an unidentified murderer slips a garotte around Brasi's neck and pulls it tight.
  2. Near the end, after the climactic baptism scene with its multiple assassinations, Michael Corleone gives Carlo Rizzi a plane ticket and tells him to take a ride to the airport. After Carlo gets into the front seat, Peter Clemenza, in the back seat, says "Hello, Carlo," slips a garotte around his neck, and strangles him.

In both cases, Puzo notes the excretory consequences of strangulation: he states that "the sphincter" released "the body's waste" but does not specify which sphincter or what kind of waste. The movie omits this ugly detail and instead has Brasi's grimace and Rossi kick through the windshield.

See also

References

  1. ^ Ernoehazy, William; Ernoehazy,WS. Hanging Injuries and Strangulation. www.emedicine.com. URL last accessed March 3 2006.
  2. ^ Strack, Gael; McClane, George. How to Improve Investigation and Prosecution of Strangulation Cases. www.polaroid.com. URL last accessed March 3 2006.
  3. ^ a b c d e f g Jones, Richard. Asphyxia, Strangulation. www.forensicmed.co.uk. URL last accessed February 26 2006.
  4. ^ a b c d e f g Ferris, J.A.J. Asphyxia. www.pathology.ubc.ca. URL's last accessed March 1 2006 (DOC format)
  5. ^ Koiwai, Karl. How Safe is Choking in Judo?. judoinfo.com. URL last accessed March 3 2006.
  6. ^ Reay, Donald; Eisele, John. Death from law enforcement neck holds. www.charlydmiller.com.URL last accessed March 3 2006
  7. ^ Gunther, Wendy. On Chokes (Medical), with quotations from Spitz and Fisher's Medicolegal Investigation of Death: Guidelines for the Application of Pathology to Crime Investigation. www.aikiweb.com. URL last accessed March 3 2006.
  8. ^ Passig,K. Carotid Sinus reflex death - a theory and its history. www.datenschlag.org. URL last accessed February 28 2006.
  9. ^ Koiwai, Karl. Deaths Allegedly Caused by the Use of "Choke Holds" (Shime-Waza). judoinfo.com URL last accessed March 3 2006.
  10. ^ a b Turvey, Brent (1996). A guide to the physical analysis of ligature patterns in homicide investigations. Knowledge Solutions Library, Electronic Publication. www.corpus-delicti.com. URL last accessed March 1 2006.
  11. ^ University of Dundee, Forensic Medicine. Asphyxial Deaths. www.dundee.ac.uk. URL last accessed March 3 2006.
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