Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. A typical strength- or ...

A new study found that rest intervals of two to three minutes between sets led to similar muscle growth and strength gains as resting as long as needed, indicating that fixed rest periods may be just ...

Rest intervals are an overlooked aspect of training. During a workout, you want each set to approach failure, with the requisite weight, reps, and intensity. This points to longer rest periods between ...