Rear naked choke

US Marines demonstrate the rear naked choke.

The rear naked choke (RNC), also known as "hadaka jime" in Judo and "lion killer choke (Mata Leão)" in BJJ, is a chokehold in martial arts applied from an opponent's back. The word naked in this context suggests that, unlike other strangulation techniques found in jujutsu/judo, this hold does not require the use of a keikogi ("gi") or training uniform.

The choke has two variations:[1] in one version, the attacker's arm encircles the opponent's neck and then grabs their own biceps/shoulder on the other arm (see below for details); in the second version, the attacker clasps their hands together instead after encircling the opponent's neck.[2] Recent studies have shown that the rear-naked choke takes an average of 8.9 seconds to render an opponent unconscious regardless of the grip that is used.[3]

  1. ^ "Judosport.net - Hadaka-jime". Archived from the original on 3 March 2016. Retrieved 19 June 2016.
  2. ^ "F. UNIVERSITY: REAR NAKED CHOKE:151 (with Renzo Gracie)". Vimeo. Archived from the original on 7 April 2017. Retrieved 4 May 2018.
  3. ^ "Scientists Confirm Which Chokes Put People to Sleep the Fastest". 31 March 2021.