"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." THE LEG CURL is one of the best machines—and best methods, period—for building hamstring strength and ...
The Muscles at the back of your thigh, hamstrings, are made up of three muscles: biceps femoris, semitendinosus, and semimembranosus. The second biggest muscle in the leg plays a critical role in knee ...