There's no shortage of valuable equipment and machines in the gym, but once you settle into a familiar routine, you'll likely find yourself less likely to try out other machines. But switching up your ...

Position yourself under the Smith machine bar and brace your core. Lower slowly, keeping your torso upright. Aim for a knee bend of 90 to 100 degrees, or deeper if possible. Push through your heels to ...

Besides clocking a few miles here and there on the treadmill, the gym may not be the first place that comes to mind when you think about reaching your PR. But it does, in fact, offer some unique ...

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 ...

A CSCS coach shares 4 wall exercises for legs after 60 that rebuild strength for stairs, walking, and standing up.

Back pain can make you nervous about tying your shoes, let alone working out. However, while resting a painful back may help for a time, often getting back in the gym and moving makes it feel better, ...

Give the barbell a break and work your wheels with this routine—plus, more exercises you can use.

You’ve probably heard it a million times: “Nothing beats squats for leg day!” But what if I told you there might actually be a better option for toning those legs? As a certified personal trainer, ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Ready for leg day?