Add Yahoo as a preferred source to see more of our stories on Google. Ever skip the gym for a few days… and suddenly realize it's been three weeks? Whether it was work, travel, injury, or life just ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A wave of research over the past few years has made it clear that a strength training habit is really ...

A biohybrid hand which can move objects and do a scissor gesture has been created. The researchers used thin strings of lab-grown muscle tissue bundled into sushilike rolls to give the fingers enough ...

Research suggests shorter strength-training sessions may lead to noticeable muscle gains. A study found that lifting weights twice a week for just 30 minutes helped increase muscle mass in certain ...