The Study
Acute cardiovascular responses to multiple sets of high-velocity resistance exercise in healthy adults
This study just watched what happened to 15 guys' hearts when they lifted weights in two different ways. It didn't test if one way was better or caused anything — it just saw what changed during the lifts.
Analysis score
Maximum 90 for a randomized controlled trial.
Where the score came from
This study compared lifting heavy weights slowly vs. light weights quickly to see how they affect your heart and blood pressure.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 526 / 100
Quality score
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1This means fast, light lifting might be safer for people with heart problems because it stresses the heart less, even though it still keeps the heart pumping efficiently.
- 2Lifting light weights fast lowered heart rate, blood pressure, and heart output more than lifting heavy weights slow — but both made your heart pump the same amount of blood each beat.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Research in Sports Medicine
Year
2017
Authors
T. Miyamoto, H. Kamada, T. Moritani
Related Content
Claims (4)
Resistance exercise that uses large muscle groups raises the amount of blood the heart pumps per minute by increasing both heart rate and the volume of blood pumped with each beat.
In healthy adult men, performing resistance exercises quickly with lighter weights causes smaller rises in blood pressure and heart output during the workout than performing the same exercises slowly with heavier weights, while the amount of blood pumped per heartbeat stays the same.
In healthy adult men, performing resistance exercises quickly with lighter weights results in the same amount of blood pumped by the heart per beat as performing the same exercises slowly with heavier weights, and cardiac efficiency during pumping is unchanged.
In healthy adult men, performing resistance exercises quickly with lighter weights results in smaller increases in heart rate during the workout than performing the same exercises slowly with heavier weights.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.