"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Nordic curls are a bit of a gymgoer’s party trick. As you lower the backside of your body backwards ...

Research shows this simple routine can rapidly improve endurance and health — no gym required. The 7-minute workout is the ideal way to get fit: It’s fast, efficient and fun. It also builds endurance, ...

A woman smashed a longstanding world record in the 200-meter sprint at the age of 91, prompting scientists to delve into her physiology to learn how she can run so fast. Researchers will present their ...