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Physiological alterations consequent to circuit weight training.

J H Wilmore, R B Parr, R N Girandola

    Medicine and Science in Sports
    |January 1, 1978
    PubMed
    Summary
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    Circuit weight training significantly improved fitness in men and women, increasing lean body weight, endurance, and strength. This general conditioning activity enhanced multiple fitness components over 10 weeks.

    Area of Science:

    • Exercise Physiology
    • Sports Science
    • Human Performance

    Background:

    • Circuit weight training (CWT) is a popular training modality.
    • Its effectiveness in improving various physiological parameters needs comprehensive evaluation.

    Purpose of the Study:

    • To assess the physiological adaptations following a 10-week CWT program.
    • To compare the efficacy of CWT in men and women.

    Main Methods:

    • 10-week CWT program (3 days/week, 22.5 min/day) at 40-55% of 1-RM.
    • 10 stations on Universal Gym, 30 sec work/15 sec rest intervals.
    • Measurements included body composition, strength, endurance, and flexibility.

    Main Results:

    • Significant increases in lean body weight, biceps girth, treadmill endurance, flexibility, and strength.

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  • Significant decreases in skinfolds and resting heart rate.
  • Women showed equal or greater improvements than men in most variables.

    • Conclusions:

    • CWT is an effective general conditioning activity, improving multiple fitness components.
    • CWT can elicit significant physiological adaptations in both men and women.
    • Women may experience greater relative benefits due to potentially lower initial levels or training intensity.