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标题：Brazilian Jiu-Jitsu matches induced similar physiological and technical-tactical responses in gi and nogi conditions
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作者：Victor Coswig ; Charles Bartel ; Fabrício Del Vecchio 等
期刊名称：Archives of Budo
印刷版ISSN：1643-8698
出版年度：2018
卷号：14
页码：291-301
出版社：International Scientific Literature Inc.
摘要：Background and Study Aim: In Brazilian Jiu-Jitsu (BJJ) competitions are based in two models accordingly to permitted clothing. The aim of this study was knowledge about physical and physiological responses, as well as the time-motion structure and technical-tactical actions induced by gi (traditional uniform) and nogi (where “gi” it is not permitted) simulated combats. Material and Methods: Twelve male athletes (age: 23 ±5 years, body mass: 81 ±8 kg, time of practice: 8 ±2 years) in two different conditions of simulated combats (gi and nogi). Blood lactate, heart rate, lower limbs power, strength and endurance handgrip were collected to asses physical and physiological demands. Additionally, technical-tactical and time-motion was analysed. Results: Considering the physiological responses showed significant differences between moments (p<0.001), but not between conditions (p = 0.14 for heart rate, and p = 0.57 for blood lactate). For technical-tactical variables, differences between groups were restricted to successful takedowns (p = 0.04), were nogi condition showed higher frequency. Considering time-motion, only pauses were different between conditions, in which gi condition showed higher total time of pause (p = 0.02) and in the percentage of total time (p = 0.02). Conclusions: Despite modest physiological (HRmean), technical-tactical (takedowns) and time-motion (pause time) differences, BJJ matches induced similar responses when gi and nogi conditions are compared.
关键词：combat sport ; heart rate ; lactate ; simulated combats ; time;motion