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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Of course, if you own a pair, you might wonder if you can ditch dumbbells completely and rely solely on wrist weights to ...

If you're curious about starting a resistance training routine and not sure where to begin, start with these ...

Weight training is like eating your veggies: You know its good for you, but with so many varieties to choose from, how do you pick whats best?! Is lifting heavy the way to go? Or maybe working with ...

Daily exercises to build muscle after 45, with expert coaching cues, to improve strength, balance, and muscle retention.

"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 ...