Key result
Despite having significantly larger visceral fat cross-sectional areas (118 vs 67 cm2, p<0.01), heavyweight Judo athletes did not exhibit significantly higher cardiometabolic risk in blood biochemical parameters compared to heavyweight football players.
Cross-Sectional (n=58)
Absolute Event Rate: 118% vs 67%
p-value: p=<0.01
Despite having significantly more excess fat mass and visceral fat, heavyweight Judo athletes do not exhibit a correspondingly higher cardiometabolic risk based on blood biochemical parameters compared to other heavyweight athletes.
Larger visceral fat may not elevate cardiometabolic risk in all heavyweight athletes; leaves open sport-specific protective factors for prospective study.
BACKGROUND: The purpose of this study was to clarify the characteristics of body composition and cardiometabolic risk of Japanese male heavyweight Judo athletes compared with heavyweight athletes of other sports. METHODS: Nineteen heavyweight Judo athletes (mean age, 20.4 ± 1.1 years), as well as 22 heavyweight (mean age, 21.5 ± 0.9 years) and 17 nonheavyweight (mean age, 21.1 ± 0.8 years) American football and Rugby football athletes in Japan participated in this study. Body composition was assessed by using dual-energy X-ray absorptiometry and magnetic resonance imaging. Cardiometabolic risk was evaluated by measuring blood biochemical variables. RESULTS: Heavyweight Judo athletes had significantly heavier body mass (122.7 ± 13.1 kg vs. 99.0 ± 8.1 kg), higher body fat percentage (27.5 % ± 5.2% vs. 19.4% ± 4.7%), and larger visceral fat cross-sectional area (118 ± 35 cm(2) vs. 67 ± 24 cm(2)) (P < 0.01) compared with heavyweight football players. Although the cardiometabolic risk was higher in heavyweight athletes compared to nonheavyweight athletes, there were no significant differences between heavyweight Judo and heavyweight Football athletes in the blood biochemical variables, except for high concentration of uric acid in heavyweight Judo athletes. CONCLUSIONS: Even though heavyweight Judo athletes had more excess fat mass, especially VF mass, their cardiometabolic risk in terms of blood biochemical parameters was not significantly higher compared with heavyweight athletes of other sports. Therefore, excessive fat accumulation may not necessarily increase cardiometabolic risk for heavyweight Judo athletes. TRIAL REGISTRATION: This trial is registered with the University Hospital Medical Information Network Clinical Trial Registration (UMIN-CTR) UMIN000020564.
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Murata et al. (2016) conducted a cross-sectional in Cardiometabolic risk and obesity in athletes (n=58). Heavyweight Judo athlete status vs. Heavyweight football athlete status was evaluated on Visceral fat cross-sectional area (cm2) (p=<0.01). Despite having significantly larger visceral fat cross-sectional areas (118 vs 67 cm2, p<0.01), heavyweight Judo athletes did not exhibit significantly higher cardiometabolic risk in blood biochemical parameters compared to heavyweight football players.
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