The Claim
In overweight adolescent boys aged 11–13, vigorous aerobic exercise (77–95% max heart rate) results in 20% higher energy expenditure during the first hour and 14% higher at 24 hours compared to moderate aerobic exercise (64–76% max heart rate), indicating intensity-dependent acute metabolic effects.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
In overweight boys aged 11 to 13, high-intensity aerobic exercise increases energy burned by 20% in the first hour and 14% after 24 hours compared to moderate-intensity aerobic exercise.
See the scientific wording
In overweight adolescent boys aged 11–13, vigorous aerobic exercise (77–95% max heart rate) results in 20% higher energy expenditure during the first hour and 14% higher at 24 hours compared to moderate exercise (64–76% max heart rate), indicating intensity-dependent acute metabolic effects.
When the body works harder during exercise, muscles need more energy fast, so they burn more sugar and fat using oxygen, which uses up more energy overall and keeps the body burning calories longer after the workout ends.
What the research says
1 studyWhen overweight teenage boys did a harder workout, they burned more calories in the first day and over six days than when they did an easier workout — even if they moved a little less afterward. So yes, working out harder burns more calories overall.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.