Øvretveit, K. Anthropometric and physiological characteristics of Brazilian jiu-jitsu athletes. J Strength Cond Res 32(4): 997-1004, 2018-The aim of this study was to describe anthropometric and physiological characteristics of Brazilian jiu-jitsu (BJJ) athletes. For this purpose, 42 male athletes were recruited from one of the largest BJJ academies in central Norway. The subjects were 32 ± 6 (SD) years old, 181.9 ± 7.2 cm tall, had a body mass (mb) of 85.7 ± 10.6 kg, and 5.5 ± 3.7 years of BJJ training experience. The subjects underwent segmental multifrequency bioelectrical impedance analysis of body composition (BIA), direct measurements of pulmonary function and maximal oxygen uptake (V[Combining Dot Above]O2max), assessments of 1-repetition maximum (1RM) in the parallel squat and paused bench press, and one set of pronated-grip pull-ups to muscular failure. The average body fat percentage (BF) was 12.9 ± 5.3%. The subjects achieved a V[Combining Dot Above]O2max of 50.6 ± 4.6 mL·kg·min. Absolute squat 1RM (113.2 ± 20.4 kg) was significantly higher than bench press 1RM (87.6 ± 16.5 kg) (p < 0.001). The mean number of pull-ups achieved was 9 ± 4. These characteristics were generally independent of rank, training experience, weekly training volume, competition volume, and style preference. Additional strength training was associated with improved bench press performance (p < 0.05). Beyond that, additional strength and/or conditioning training had no apparent relationship with any variable (p > 0.05). This study provides novel insight into the fitness levels of BJJ athletes. These findings indicate the degree of exercise response to BJJ training and are applicable in athlete assessment and exercise prescription in this population.
The aim of this study was to assess the short-term effects of maximal strength training (MST) as an accessory to grappling training on strength performance in competitive Brazilian jiu-jitsu (BJJ) athletes. Fourteen male BJJ athletes underwent measurements of one-repetition maximum (1RM) in the squat and bench press, rate of force development (RFD) and peak force (PF) in the squat jump (SJ), countermovement jump (CMJ) height, and muscular endurance in pullups, sit-ups and push-ups. Following baseline measurements, subjects were randomly allocated to either an MST group or control group (CON). The MST intervention consisted of 4x4 repetitions at ≥ 85% of 1RM in the squat and bench press, and four sets of pull-ups to failure, performed 3x per week. Both groups were instructed to maintain their BJJ training and avoid additional strength training. MST improved 1RM in the squat and bench press by 15 ± 9% (p = 0.02) and 11 ± 3% (p = 0.03), respectively, and CMJ height by 9 ± 7% (p = 0.04). Muscular endurance performance increased by 33 ± 33% in pull-ups (p = 0.03), 32 ± 12% in push-ups (p = 0.03), and 13 ± 13% in sit-ups (p = 0.03). Increases in RFD (35 ± 55%, p = 0.13) and PF (8 ± 9%, p = 0.09) did not reach significance. No improvements were apparent from BJJ training alone (p > 0.05). These findings suggest that MST is a potent approach to rapid improvements in maximal strength, power, and muscular endurance in active grapplers.
This is a detailed study of nutritional and lifestyle data on a single individual who adhered to the Paleolithic diet (PD) for a full year. The dietary intake was compared with evidence-based guidelines and various PD iterations from the research literature and popular diet books. Although the subject's diet aligned with PD book recommendations, several nutrients differed markedly from estimations in the scientific literature, highlighting the importance of relying on evidence-based dietary advice. These findings provide insight into a contemporary PD in practice, the feasibility of nutrition tracking, and how self-tracked dietary data can inform health behavior. Nutr Today. 2022;57(2):79-87
Brazilian jiu-jitsu (BJJ) is a grappling-based combat sport with a growing recreational and professional athlete population. The sport is notoriously hard to master, which requires practitioners to maintain a high BJJ-specific training volume. High-intensity training is a well-established approach to rapid improvements in strength and endurance. Recent studies show that concomitant BJJ and high-intensity strength and conditioning training can improve several physical and physiological attributes. The present article briefly reviews literature pertaining to BJJ and its athletes and provides training recommendations based on high-intensity strength and conditioning concepts.
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