The Study
Differential Adaptations in Resting Heart Rate Following Moderate-Intensity Aerobic and Sport-Specific Skill Training in University Athletes
This study is like a fair race between two types of workouts to see which one makes your heart beat slower when you're resting. It found that one kind of workout (aerobic training) worked better than the other. But it only tested a small group of young male athletes, so we can't say it works the same for everyone.
Analysis score
Maximum 90 for a randomized controlled trial.
Where the score came from
This study tested if running at a steady pace or just playing basketball/football/handball makes your heart stronger and slower at rest.
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 548 / 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.
- 1Yes — a drop of 4–5 beats per minute means the heart pumps more blood with each beat, making athletes recover faster and perform better during games.
- 2Running for 12 weeks made hearts beat 4.77 fewer times per minute.
- 3Playing sports made hearts beat 4.04 fewer times per minute.
- 4No extra training changed heart rate almost at all (0.48 bpm).
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
International Journal of Science and Social Science Research
Year
2026
Authors
G. B. Ajjaiah, D. Kalidoss
Related Content
Claims (6)
People with better cardiovascular fitness have lower resting heart rates and higher heart rate variability.
In male university athletes, resting heart rate decreases significantly after aerobic or skill training and stays unchanged without training, making it a consistent measure of cardiovascular adaptation.
Male university athletes who do 12 weeks of moderate aerobic exercise, such as jogging or cycling at 50–70% of their maximum heart rate, end up with a lower resting heart rate than those who do only sport-specific skill drills.
Among male university athletes aged 19–23 who play basketball, football, or handball, 12 weeks of moderate-intensity aerobic training lowers resting heart rate by 4.77 beats per minute more than sport-specific skill training, which lowers it by 4.04 beats per minute, while no change occurs in controls.
Male university athletes aged 19–23 who complete 12 weeks of sport-specific skill training have a resting heart rate that is 4.04 beats per minute lower than before training. This change results from cardiovascular adaptations caused by repeated sport-specific movements, but the effect is smaller than that from continuous aerobic training.
Among male university athletes aged 19 to 23, stopping all specialized training for 12 weeks does not change resting heart rate in a meaningful way, showing that cardiac efficiency remains stable without structured aerobic or skill-based exercise.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.