Background and Study Aim. In the context of the growing importance of strength training, the analysis of the impact of strength loads on muscle hypertrophy becomes increasingly significant. Therefore, it is critical to comprehend both the effects of strength training on stimulating muscle growth and the potential ramifications. This study aimed to systematically analyze and collate the existing scientific evidence on the effects of weight training on muscle hypertrophy. Material and Methods. The research method involved the source selection of relevant studies from various databases, with predefined inclusion criteria. A thorough literature search was conducted, followed by data extraction focusing on study design, subject population, type of weight training, duration, and outcome measures of muscle hypertrophy. Databases such as PubMed, Google Scholar and Scopus were the primary sources of literature searches. Results. The results of this systematic review indicated evidence supporting the positive effect of weight training on muscle hypertrophy in most of the studies included. However, some studies produced controversial findings or even showed no significant impact. Factors such as variations in exercise type, intensity, and frequency also influence the outcome of weight training on muscle growth. Conclusions. While weight training has the potential to stimulate muscle hypertrophy, its effects may vary based on various factors. Therefore, selecting the correct type of exercise, setting the appropriate intensity, and planning the frequency of activity is essential in achieving optimal results. This study has strong relevance in fostering effective and safe exercise programs.It can also serve as a basis for further research in exploring other factors that may influence weight training-induced muscle hypertrophy outcomes.
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