Effects of Krav Maga physical training on body composition, physical fitness and muscle strength
DOI:
https://doi.org/10.33233/rbfex.v20i6.4949Keywords:
exercise; muscle strength; physical fitness; body compositionAbstract
Objective: To compare body composition, physical fitness and muscle strength levels between veteran and beginner Krav Maga practitioners during 16-week physical training. Methods: Thirty men participated in the study, Krav Maga practitioners divided into veterans (GV, n = 15) and beginners (GI, n = 15). Body composition was measured using the Jackson and Pollock method, physical fitness by bending the arm, abdominal and flexibility, isometric handgrip strength using the protocol adapted from Fess, and voluntary muscle strength in the Shoulder Press, Back Squat and Deadlift movements, using the Baseyana statistic. The intervention was carried out with 60-minute sessions, three times a week, for 16 weeks, totaling 48 classes. Results: No differences were found between body composition and fat percentage between groups (GV = 24.14 ± 4.13%; GI = 26.10 ± 5.18%; BF10 = 0.56) in handgrip strength (GV = 46.66 ± 8.17 kgf; GI = 41.23 ± 7.77 kgf; BF10 = 1,238) and muscle flexibility (GV = 28.30 ± 7.23 cm; GI = 24.60 ± 7.61 cm; BF10 = 0.691). Statistically significant differences were found in voluntary muscle strength (GV = 242.13 ± 43.52 kg; GI = 184.86 ± 43.94 kg; BF10 = 25,615). Conclusion: It can be concluded that veteran Krav Maga practitioners have higher levels of muscle strength, muscular endurance, physical fitness and upper limb isometric strength when compared to beginners.
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