![]() These modalities of combat sports require the performance of explosive and high-intensity movements of both the upper and lower extremities. Finally, mixed combat sports are those that have characteristics of both groups (e.g., hapkido, mixed martial arts ). Striking sports focus on the use of punches and kicks (e.g., kickboxing, boxing, Muay Thai, karate, taekwondo). Grappling sports are characterized by holds, locks, and falls to the ground (e.g., judo, wrestling, and jiu-jitsu). ![]() β-alanine supplementation appears to be safe and could be a suitable nutritional ergogenic aid for combat athletes.Ĭombat sports can be classified into thre groups: grappling, hitting, and mixed. ![]() Finally, there was a non-significant ( p > 0.05) improvement in the anthropometric parameters of lean mass and fat mass. Regarding biochemical parameters, carnosine increased significantly ( p 0.05), and the results for blood bicarbonate and blood lactate were heterogeneous. Overall, performance parameters related to strength, power, total exercise work capacity, and combat-specific parameters were significantly improved ( p 0.05). Of the 41 registers identified, only 7 met the established criteria and were included in this systematic review. The search was carried out in the SCOPUS, Web of Science (WOS), and Medline (PubMed) databases for studies published from the beginning of the database until July 31, 2023. ![]() Furthermore, the Cochrane risk-of-bias assessment tool was used. This systematic review was conducted following the specific methodological guidelines of the Preferred Report Items for Systematic Reviews and Meta-Analyses guidelines (PRISMA), the PICOS question model, the Critical Review Form of McMaster, and the PEDro scale. We aimed to critically review clinical trial evidence on the impact of β-alanine supplementation on sports performance, perception, and anthropometric parameters, as well as circulating biochemical markers in combat athletes. Therefore, β-alanine could be considered a nutritional ergogenic aid to improve sports performance in combat athletes. β-alanine and carnosine together help improve the muscles’ functionality, especially in high-intensity exercises such as combat sports. Β-alanine does not have an ergogenic effect by itself, but it does as a precursor for the synthesis of carnosine in human skeletal muscle. ![]()
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