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High Prevalence and Magnitude of Rapid Weight Loss in Mixed Martial Arts Athletes.
International Journal of Sport Nutrition and Exercise Metabolism ( IF 2.5 ) Pub Date : 2019-05-31 , DOI: 10.1123/ijsnem.2018-0393
Mathew Hillier 1 , Louise Sutton 1 , Lewis James 2 , Dara Mojtahedi 3 , Nicola Keay 4 , Karen Hind 4
Affiliation  

The practice of rapid weight loss (RWL) in mixed martial arts (MMA) is an increasing concern but data remain scarce. The aim of this study was to investigate the prevalence, magnitude, methods, and influencers of RWL in professional and amateur MMA athletes. MMA athletes (N = 314; 287 men and 27 women) across nine weight categories (strawweight to heavyweight), completed a validated questionnaire adapted for this sport. Sex-specific data were analyzed, and subgroup comparisons were made between athletes competing at professional and amateur levels. Most athletes purposefully reduced body weight for competition (men: 97.2%; women: 100%). The magnitude of RWL in 1 week prior to weigh-in was significantly greater for professional athletes compared with those competing at amateur level (men: 5.9% vs. 4.2%; women: 5.0% vs. 2.1% of body weight; p < .05). In the 24 hr preceding weigh-in, the magnitude of RWL was greater at professional than amateur level in men (3.7% vs. 2.5% of body weight; p < .05). Most athletes "always" or "sometimes" used water loading (72.9%), restricting fluid intake (71.3%), and sweat suits (55.4%) for RWL. Coaches were cited as the primary source of influence on RWL practices (men: 29.3%; women: 48.1%). There is a high reported prevalence of RWL in MMA, at professional and amateur levels. Our findings, constituting the largest inquiry to date, call for urgent action from MMA organizations to safeguard the health and well-being of athletes competing in this sport.

中文翻译:

混合武术运动员快速减肥的盛行和盛行。

混合武术(MMA)中快速减肥(RWL)的做法越来越引起人们的关注,但数据仍然很少。这项研究的目的是调查职业和业余MMA运动员中RWL的患病率,程度,方法和影响因素。九个体重类别(从轻量级到重量级)的MMA运动员(N = 314; 287名男性和27名女性)完成了一项针对这项运动的经验证的问卷。分析了按性别分类的数据,并在专业水平和业余水平的运动员之间进行了亚组比较。大多数运动员在比赛中故意减轻体重(男性:97.2%;女性:100%)。与业余水平的运动员相比,职业运动员在称重前1周的RWL幅度要大得多(男性:5.9%比4.2%;女性:5.0%比2.1%体重; p <。05)。在称重前的24小时内,男性职业水平RWL的水平大于业余水平(3.7%相对于体重的2.5%; p <.05)。对于RWL,大多数运动员“总是”或“有时”使用水负荷(72.9%),限制液体摄入(71.3%)和运动服(55.4%)。教练被认为是影响RWL练习的主要因素(男性:29.3%;女性:48.1%)。据报道,在职业和业余水平上,RWL在MMA中的患病率很高。我们的发现构成了迄今为止最大的调查,呼吁MMA组织采取紧急行动,以维护参加这项运动的运动员的健康。
更新日期:2019-11-01
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