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Effect of resistance training on cardiorespiratory endurance and coronary artery disease risk

B S Shaw1, I Shaw

  • 1Department of Sport and Physical Rehabilitation Sciences, Tshwane University of Technology, Pretoria, South Africa.

Cardiovascular Journal of South Africa : Official Journal for Southern Africa Cardiac Society [And] South African Society of Cardiac Practitioners
|November 25, 2005
PubMed

Insights

Resistance training significantly improved cardio-respiratory endurance (VO2max) in untrained men. This suggests resistance exercise can be a valuable strategy for reducing coronary artery disease risk.

Area of Science:

  • Exercise Physiology
  • Cardiovascular Health
  • Preventative Medicine

Background:

  • Coronary artery disease (CAD) is a significant health concern, particularly in South Africa.
  • Existing research on exercise and CAD risk predominantly focuses on aerobic training.
  • The role of resistance training in mitigating CAD risk factors requires further investigation.

Purpose of the Study:

  • To determine if resistance training can enhance cardio-respiratory endurance (VO2max).
  • To assess the potential of resistance training to reduce coronary artery disease risk.
  • To compare the effects of resistance training versus a control group on VO2max.

Main Methods:

  • A quantitative, experimental design with pre-test and post-test measurements.
  • Twenty-eight untrained males were randomly assigned to a resistance-training group (n=13) or a control group (n=15).
  • Participants were age-matched, with the training group undergoing an 8-week resistance program.

Main Results:

  • The resistance-training group showed a statistically significant increase in VO2max (p=0.004).
  • The control group exhibited no significant change in VO2max (p=0.201).
  • Post-intervention, the resistance-training group's VO2max was significantly higher than the control group's (p=0.001).

Conclusions:

  • Eight weeks of resistance training can significantly improve VO2max in untrained men.
  • Resistance training demonstrates potential for favorably impacting coronary artery disease risk.
  • Incorporating resistance training into exercise programs may offer comprehensive physiological benefits for cardiovascular health.

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