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  2. List of Brazilian jiu-jitsu practitioners - Wikipedia

    en.wikipedia.org/wiki/List_of_Brazilian_jiu...

    The Brazilian jiu-jitsu ranking system awards practitioners different colored belts for increasing levels of knowledge and skill. [1] [2] The system shares its origins with Judo but now has its own character that has become synonymous with the art, including an informality in promotional criteria and a conservative approach to promotion in general generally resulting in a longer time to reach ...

  3. Total disc replacement - Wikipedia

    en.wikipedia.org/wiki/Total_Disc_Replacement

    The first design with wide clinical adoption was the Charité disc replacement, designed by East German scientists: two-time Olympic champion in women's artistic gymnastics Karin Büttner-Janz and Kurt Schellnack, a doctor, engineer, and professor—both of whom were affiliated with the Charité Center for Musculoskeletal Surgery at the Medical ...

  4. Renzo Gracie: Legacy - Wikipedia

    en.wikipedia.org/wiki/Renzo_Gracie:_Legacy

    Renzo Gracie is from the third generation of Brazilian jiu-jitsu's Gracie family. [3] In 1993, his uncle Rorion Gracie joined forces with Art Davie and Bob Meyrowitz to create a martial arts promotion to endorse his family's fighting style - the Ultimate Fighting Championship. [3] The sport is now considered one of the fastest growing in the ...

  5. Robert Drysdale - Wikipedia

    en.wikipedia.org/wiki/Robert_Drysdale

    Robert Lewis Drysdale [1] (born October 5, 1981) is a Brazilian-American Brazilian jiu-jitsu 4th degree black belt under Léo Vieira, a retired undefeated mixed martial artist and an instructor at his own BJJ academy.

  6. List of Brazilian jiu-jitsu techniques - Wikipedia

    en.wikipedia.org/wiki/List_of_Brazilian_jiu...

    Brazilian jiu-jitsu (BJJ) does not have an established canon (formalized set of techniques), with significant regional variation seen in both application and naming. . Brazilian jiu jitsu initially consisted of judo katame-waza (newaza) techniques, but has since evolved to encompass a far greater variety by absorbing techniques from amateur wrestling, catch wrestling, sambo, and Japanese ...

  7. Hélio Gracie - Wikipedia

    en.wikipedia.org/wiki/Hélio_Gracie

    Hélio Gracie (October 1, 1913 – January 29, 2009) was a Brazilian martial artist who together with his brothers Oswaldo, Gastao Jr, George and Carlos Gracie founded and developed the self-defense martial art system of Gracie jiu-jitsu, also known as Brazilian jiu-jitsu (BJJ).

  8. B.J. Penn - Wikipedia

    en.wikipedia.org/wiki/B.J._Penn

    Jay Dee "B.J." Penn III (born December 13, 1978) [2] is an American former professional mixed martial art fighter and 5th degree black belt Brazilian jiu-jitsu (BJJ) practitioner. [ a ] A former UFC Lightweight Champion and UFC Welterweight Champion , he is the second of nine fighters in UFC history to win titles in multiple weight classes . [ 4 ]

  9. Brazilian jiu-jitsu - Wikipedia

    en.wikipedia.org/wiki/Brazilian_jiu-jitsu

    The few injuries that may be incurred in Brazilian jiu-jitsu usually affect the joints and rarely the head. The most common injuries Brazilian jiu-jitsu practitioners suffer from are ACL tears, rotator cuff tears in the shoulders, and spinal disc herniations, most commonly in the neck region. Many are repairable via surgery that require an ...