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Related Experiment Videos

Adherence in the training levels comparison trial

J Y Lee1, B E Jensen, A Oberman

  • 1Division of Preventive Medicine, University of Alabama at Birmingham 35294-3300, USA. GCRC002@UABDPO.DPO.UAB.EDU

Medicine and Science in Sports and Exercise
|January 1, 1996
PubMed
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High-intensity exercise in cardiac rehabilitation led to better heart rate achievement, though low-intensity training had higher attendance. Maximizing achieved heart rate in cardiac patients may require motivating them towards high-intensity training.

Area of Science:

  • Cardiology
  • Exercise Physiology
  • Rehabilitation Medicine

Background:

  • Coronary heart disease (CHD) patients require effective rehabilitation programs.
  • Exercise intensity is a key factor in cardiac rehabilitation outcomes.
  • Adherence to prescribed exercise is crucial for patient benefit.

Purpose of the Study:

  • To compare adherence and heart rate achievement between low and high intensity training programs in male CHD patients.
  • To determine the optimal exercise intensity for maximizing achieved heart rate in cardiac rehabilitation.

Main Methods:

  • 197 male CHD patients were randomized to low (50% VO2max) or high (85% VO2max) intensity training.
  • Supervised exercise sessions were conducted three times per week for 2 years.

Related Experiment Videos

  • Adherence was measured by session attendance and target heart rate achievement.

    • Main Results:

    • Low-intensity training group had significantly higher attendance (64.0%) than the high-intensity group (55.5%) in the first year.
    • At 1 year, 54% of low-intensity and 37% of high-intensity patients achieved target heart rates.
    • Patients attending high-intensity training achieved higher heart rates compared to those in low-intensity training.

    Conclusions:

    • Low-intensity exercise promotes better attendance in cardiac rehabilitation.
    • High-intensity exercise, despite lower attendance, leads to greater achievement of target heart rates.
    • Motivating cardiac rehabilitation patients towards high-intensity training may be optimal for maximizing achieved heart rate and potential benefits.