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The
Unified Rules designate limits for fourteen different weight classes in mixed martial arts; all definitions and measurements are in pounds. The strawweight class was added in 2015. The super lightweight, super welterweight, super middleweight, and cruiserweight classes were added in July 2017.
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With no state or government laws regarding weight class restrictions, organizations in other countries are free to schedule bouts with little regard for weight differential. However, due to the increasingly competitive and international nature of the sport, weight limits have been set by the
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had worked extensively on regulation, but their sanctioning of MMA was not implemented due to state governmental issues surrounding the process. California officially sanctioned MMA on
December 28, 2005, using the ruleset it helped devise five years previously.
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Weight limits in women's MMA mostly follow the
Unified Rules' limits, but organizations that recognize women's championships usually only have titles at the lower end of the table. UFC, for example, recognizes women's titles in the
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Weight classes underwent many changes in the ensuing years, but the ability of promotions to autonomously decide their own weight classes eventually disappeared after athletic commissions began supervising mixed martial arts.
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by dehydration in
December 2015 and holds fights based on a competitor's "walking weight", rather than pre-fight weigh-ins. The change took place after 21-year-old Yang Jian Bing died due to dehydration by
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competition rules and statutes. For a promotion to hold mixed martial arts events in a state-sanctioned venue, the promotion must abide by the state athletic commission's body of rules for weight limits.
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promotions themselves, usually in alignment with the
Unified Rules, as maintaining standard weight classes is seen as fair and standard for all competitors. Singapore-based
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Prior to state sanctioning, weight classes were not mandatory since the competitions were held without the approval of the athletic commissions. For instance, the
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Since then, to create uniformity, all state commissions in the United States that regulate mixed martial arts have assimilated these rules into their existing
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62:: heavyweight, which grouped competitors above 200 lb (91 kg), and lightweight, which grouped competitors under 200 lb.
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511:"With current focus on weight-cutting solutions, veteran manager believes ONE Championship may have answers"
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in 2015. The new system has been well-received by athletes and other stakeholders in the MMA industry.
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344:. Ivan's Blog, formerly posted on MMAWeekly.com. Retrieved December 5, 2006.
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408:"ABC approves adoption of four new weight classes for mixed martial arts"
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New Jersey
Commission Corrects Mainstream UFC Stories
363:. martialarts.about.com. Retrieved December 5, 2006.
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448:"ONE Championship fighter dies after weight cut"
422:"Say Goodbye To Weight Cutting By Dehydration"
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756:over 265 lb (120.2 kg)
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54:Ultimate Fighting Championship
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375:. Retrieved December 9, 2006.
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40:that pertain to the sport of
26:weighing in for his fight at
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746:265 lb (120.2 kg)
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213:205 lb (93.0 kg)
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323:Wrestling weight classes
318:Taekwondo weight classes
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567:at Wikimedia Commons
103:Upper weight limit
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472:. 13 February 2016
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390:. Retrieved
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476:19 November
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279:strawweight
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149:Lightweight
109:Strawweight
788:Openweight
773:Atomweight
329:References
291:atomweight
632:Flyweight
515:MMAjunkie
283:flyweight
243:No limit
119:Flyweight
803:Category
357:Archived
297:See also
259:banned
285:, and
77:. The
59:UFC 12
766:Other
272:Women
523:2018
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394:2015
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