The best exercises for bad knees are those that target the muscles supporting the knee without placing weight-bearing stress or causing undue flexion (bending) of the knee itself. These 12 exercises ...

The best exercises for bad knees involve low-impact movements that won’t increase pain or aggravate knee injuries. These ...

Are your knees grumpy and pretty vocal about it? Knee pain is one of the most common physical ailments, with about 25 percent of adults being affected, according to a study published in the American ...

If you get knee pain or injuries in the gym, that could be from sitting all day. Exercises that strengthen and stretch the leg muscles effectively will help protect knees. For healthier joints, aim to ...

Tons of people struggle with knee pain every year, but it doesn’t have to last. These exercises are designed to strengthen the knee and help reduce discomfort over time. Knee pain affects roughly 25 ...

If you’re over 40 and want to build strong, functional legs, you might think squats are the only way. But, trainer Bobby Maximus says that's not the case. "The back squat can lead to injury. Puts a ...

One survey found most lifters fail to train legs the right way. Here’s why your legs might not be growing. Pistol squats are a challenging bodyweight exercise that blasts your quads, glutes, and ...

Run faster and more efficiently with these moves.

Chair exercises for leg strength after 65, 6 no-strain moves from certified trainer Michael Betts, with form cues and sets.

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?