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. Sprint interval ...

Strengthmaxxing, like spring, is in the air right now. Everywhere you look, someone’s lifting. Celebrities, influencers, scientists, aging, shirtless rock stars and Cabinet secretaries all seem to be ...

Functional strength training involves exercises that mimic everyday activities, such as climbing stairs. It aims to improve people’s movement in their daily lives or their performance in certain ...

Here’s how to find the right effort level for a strength workout. By Alyssa Ages You’re sweaty and sore, and just hoisting your gym bag onto your shoulder makes you groan. The workout was exhausting, ...

· Scientists explain how much strength training you need to build muscle, as set forth in new guidelines from the American College of Sports Medicine. · Consistency is important, according to the ...

Runners hear the terms aerobic and anaerobic thrown around, but understanding the difference between the two can change how you approach your workouts. Together, these energy systems form the backbone ...

Building strength and muscle comes with huge payoffs for health and longevity, but most Americans still don't lift weights or regularly practice any muscle-strengthening activity. Why? People often ...