Step foot in the gym and you'll likely spot two types of lifters: one busting out endless reps with lighter weights, and another lifting heavy loads for considerably less reps. Both have equally ...

The fitness industry has convinced everyone that building serious muscle requires loading barbells with intimidating amounts of weight and grunting your way through sets that make you question your ...

Building muscle depends on several factors and isn't something that'll happen overnight after just one workout.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Of course, if you own a pair, you might wonder if you can ditch dumbbells completely and rely solely on ...

This biohacking center is taking “work smarter, not harder” to a whole new level. At Upgrade Labs, members trade dumbbells for data, using cutting-edge technology and AI to tailor every rep, sprint ...

While walking can help develop muscular endurance (a.k.a., your muscles’ ability to sustain exercise for long periods of time ...