Longer breaks between lifts = bigger muscles?
The Effect of Inter-Set Rest Intervals on Resistance Exercise-Induced Muscle Hypertrophy
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Some people thought taking short breaks between weight sets would make muscles grow faster because of hormone spikes. But this review found that’s not true — longer breaks actually help more by letting you lift more total weight.
Surprising Findings
No study found greater muscle growth with shorter rest intervals (<1 min), and one found significantly more growth with longer rests (2–3 min).
For decades, bodybuilders and programs like Insanity or CrossFit promoted short rests for ‘metabolic stress’ and ‘pump’—but this review says it’s not backed by data.
Practical Takeaways
Rest 2–3 minutes between heavy compound lifts (squat, bench, deadlift) to maximize total volume and muscle growth.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Some people thought taking short breaks between weight sets would make muscles grow faster because of hormone spikes. But this review found that’s not true — longer breaks actually help more by letting you lift more total weight.
Surprising Findings
No study found greater muscle growth with shorter rest intervals (<1 min), and one found significantly more growth with longer rests (2–3 min).
For decades, bodybuilders and programs like Insanity or CrossFit promoted short rests for ‘metabolic stress’ and ‘pump’—but this review says it’s not backed by data.
Practical Takeaways
Rest 2–3 minutes between heavy compound lifts (squat, bench, deadlift) to maximize total volume and muscle growth.
Publication
Journal
Sports Medicine
Year
2014
Authors
Menno Henselmans, Brad J. Schoenfeld
Related Content
Claims (6)
Increasing rest intervals between sets enhances total training tonnage, which amplifies mechanical tension accumulation and thereby increases the hypertrophic stimulus.
You don’t need to take shorter breaks to build muscle than you do to get stronger—both can be done with the same rest times if you lift the same amount of weight and do the same number of reps.
Whether you stick to a fixed rest time or rest as long as you feel you need to, it doesn’t seem to make a big difference for building muscle.
Taking longer breaks between sets of weightlifting doesn't hurt your muscle growth—you might even grow more muscle with longer breaks than with very short ones.
Even though lifting weights with short breaks makes your body release more growth hormone, that doesn’t mean you’ll grow bigger muscles over time.