When you think of biceps, do you think bulging like Arnold Schwarzenegger? Or maybe that signature double flex pose comes to mind? Whatever image you conjure up, biceps are more than just for looks.

THE LEG CURL is one of the best machines—and best methods, period—for building hamstring strength and size. There are two types of hamstring curl machines, and you're likely to find one or the other ...

When it comes to lower-body exercises, big compound movements like squats and lunges may be where our thoughts initially turn for building general strength. But leg curls can be a much-needed addition ...