EFFECT OF CIRCUIT TRAINING AND INTERVAL TRAINING ON CARDIO RESPIRATORY ENDURANCE AND VO2 MAX AMONG LONG DISTANCE RUNNER
DOI:
https://doi.org/10.29121/shodhkosh.v5.i6.2024.4624Keywords:
Circuit Training, Interval Training, Cardio-Respiratory Endurance, Vo2 Max, Long-Distance Runners, Performance EnhancementAbstract [English]
This study investigates the effects of circuit training and interval training on cardio-respiratory endurance and VO2 max among long-distance runners. Cardio-respiratory endurance and VO2 max are critical for endurance athletes, as they directly impact their performance. Circuit training and interval training are two commonly employed methods aimed at improving these physiological parameters. While circuit training involves a sequence of exercises targeting different muscle groups with minimal rest, interval training alternates high-intensity exercise with low-intensity recovery. Both methods are believed to enhance cardiovascular fitness, but limited research has compared their effects on long-distance runners.
A total of 60 students (aged 18-21 years) from Government Degree College, Srikakulam, Andhra Pradesh, were randomly assigned to three groups: a control group and two experimental groups—circuit training and interval training. The study was conducted over a 12-week period, with pre-test, post-test, and interval-test measurements of cardio-respiratory endurance and VO2 max. Data were analyzed using one-way analysis of variance (ANOVA), and post-hoc analysis was conducted using Scheffe’s test.
The results indicated that both circuit and interval training significantly improved cardio-respiratory endurance and VO2 max compared to the control group. While both experimental groups showed improvements, circuit training was found to be more effective in enhancing cardio-respiratory endurance. Furthermore, there was no significant difference in VO2 max between the two experimental groups, though the circuit training group demonstrated a slightly higher improvement than the interval training group.
In conclusion, circuit and interval training both offer substantial benefits for long-distance runners in terms of improving cardio-respiratory endurance and VO2 max. However, circuit training appeared to be more effective in improving cardio-respiratory endurance, while the two methods produced similar improvements in VO2 max. These findings can inform training programs aimed at optimizing long-distance running performance.
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