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Related Experiment Video

Updated: Jun 28, 2026

Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans

Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans

Published on: October 17, 2018

Acute physiological responses to different circuit training protocols.

A G Monteiro¹, D A Alveno, M Prado

¹University City of Sao Paulo, Sao Paulo, Brazil.

The Journal of Sports Medicine and Physical Fitness

|November 11, 2008

Summary

This summary is machine-generated.

Combined circuit training (CCT) with weights and treadmill running, and circuit weight training (CWT) were compared. CCT showed higher oxygen consumption and energy expenditure for both genders, suggesting greater cardiovascular benefits.

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Last Updated: Jun 28, 2026

Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans

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Published on: October 10, 2019

Area of Science:

Exercise Physiology
Sports Science
Human Kinetics

Background:

Circuit training is a popular exercise modality.
Understanding the physiological demands of different circuit training protocols is crucial for optimizing training outcomes.
Combined circuit training (CCT) integrates resistance exercises with aerobic activity, potentially offering unique benefits.

Purpose of the Study:

To compare the acute physiological responses to circuit weight training (CWT) versus combined circuit training (CCT) involving weight exercises and treadmill running.
To evaluate gender-specific differences in physiological responses to these training protocols.

Main Methods:

Twenty-five individuals (10 men, 15 women) with average training status participated.
Two protocols were tested: CWT (60s resistance exercise sets) and CCT (30s resistance exercise + 30s treadmill run).
Rest intervals were 15 seconds; statistical analysis used ANOVA at a 5% significance level.

Main Results:

CCT elicited significantly higher relative and absolute VO2 and energy expenditure than CWT in both genders (P<0.05).
Males exhibited higher absolute and relative VO2 and energy expenditure than females in both CWT and CCT (P<0.05).
Females demonstrated a significantly greater %VO2max in both protocols. VO2 rates were higher than previously reported for heavier weight lifting protocols.

Conclusions:

Combined circuit training (CCT) is effective for cardiovascular improvements and energy expenditure in both men and women.
Circuit weight training (CWT) may be sufficient for improving fitness in untrained women.