Which workout boosts heart fitness better for heart patients: short hard bursts or longer easy ones?
High-intensity interval training versus moderate-intensity continuous training on exercise capacity and health-related quality of life in patients with coronary artery disease: An updated systematic review and meta-analysis.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
This study compares two types of exercise in people with heart disease: short, intense workouts (HIIT) and longer, easier ones (MICT). It looks at how much each improves heart fitness and quality of life.
No biological mechanisms were identified in this study. This may be an epidemiological, observational, or survey-based study that reports associations rather than proposing causal biological pathways.
Systematic Reviews & Meta-Analyses
Max 100Randomized Controlled Trials
Max 90Cohort Studies
Max 72Case-Control Studies
Max 58Cross-Sectional Studies
Max 44Case Reports & Case Series
Max 30Expert Opinion & Narrative Reviews
Max 542 / 100
Evidence Score
The highest quality evidence. These studies systematically search, appraise, and synthesize results from multiple individual studies, providing the most reliable summary of current knowledge.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
This study compares two types of exercise in people with heart disease: short, intense workouts (HIIT) and longer, easier ones (MICT). It looks at how much each improves heart fitness and quality of life.
No biological mechanisms were identified in this study. This may be an epidemiological, observational, or survey-based study that reports associations rather than proposing causal biological pathways.
Systematic Reviews & Meta-Analyses
Max 100Randomized Controlled Trials
Max 90Cohort Studies
Max 72Case-Control Studies
Max 58Cross-Sectional Studies
Max 44Case Reports & Case Series
Max 30Expert Opinion & Narrative Reviews
Max 542 / 100
Evidence Score
The highest quality evidence. These studies systematically search, appraise, and synthesize results from multiple individual studies, providing the most reliable summary of current knowledge.
Publication
Authors
Gomes-Neto M, Durães AR, Conceição LSR, Silva CM, Martinez BP, Carvalho VO
Related Content
Claims (5)
Short, intense bursts of exercise (like sprinting) can boost heart and lung fitness just as well as longer, steady workouts — and take way less time.
Doing short bursts of intense exercise might boost heart fitness more than steady, moderate workouts for people with heart disease — on average by a small but measurable amount.
For people with heart disease, short bursts of intense exercise don’t seem to work much better than steady, moderate exercise when both burn the same number of calories — both help a bit, but the difference between them is tiny.
People with heart disease who did either short bursts of intense exercise or longer, steady workouts felt about the same in terms of how their physical, emotional, and social lives were affected — and the evidence we have isn't very strong.
For heart patients, how much total energy you burn during exercise might matter more than whether you do intense bursts or steady workouts — when both types burn the same calories, they seem to help your fitness just as much.