Circuit training involves transitioning quickly between various exercise stations, completing a set number of repetitions or working for a specific duration at each station. It is a type of high-intensity training that combines elements of resistance and aerobic exercises, primarily aimed at enhancing both strength and muscular endurance. A full round of the exercises in a session is referred to as an "exercise circuit. "This training method was introduced in 1953 by R.E. Morgan and G.T. Anderson at the University of Leeds, England. It is widely regarded as an effective way to improve multiple components of physical fitness, including muscular strength, muscular endurance, explosive power, cardiovascular endurance, anaerobic capacity, agility, and flexibility. Morgan and Anderson’s model typically include six to twelve different exercise stations, targeting overall body conditioning. A full workout usually comprises two to three rounds of the circuit, with rest periods between 15 to 30 seconds between stations or sets. Circuit training programs can be tailored to fit individual fitness goals by adjusting the duration, intensity, or number of exercises. In a study involving 45 district-level football players, participants were divided to undergo either traditional circuit training or cardio-based circuit training. A pretest was conducted to assess selected motor fitness components. After a 12-week training period, a post-test was administered to evaluate improvements. Statistical methods such as the paired ‘t’ test and Analysis of Covariance (ANCOVA) were used to analyze the data. Where significant differences were found using the F-ratio, Scheffe’s post hoc test was employed to determine specific group differences. All statistical analyses were performed using SPSS software. The results indicated that both forms of circuit training produced significant improvements in motor fitness variables, particularly in muscular strength and muscular endurance, among the football players.
Gopalakrishna et al. (Mon,) studied this question.