When you think about the muscles you work most on a run, the quads probably come to mind first. Not only do these muscles extend the knee for a strong push-off and flex the hip for a powerful forward ...

You’ll kick off the workout with a warmup that wakes up your muscles, elevates your heart rate, and activates your single-leg ...

In most workout splits, one to two dedicated leg days per week is common, but it really all depends on your fitness level and ...

Squats train all the major muscles in your legs, including quads and hamstrings. Walking lunges challenge your leg muscles ...

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?

Squats are known for building strong legs, but that doesn’t mean they work for ...

There are a million and one workout routines out there, but which one is right for you?  Here's how to structure your weekly ...

Try seated leg exercises for men over 65, a joint-friendly daily routine from CPT Tyler Read to maintain strength.

I had a personal experience with this when I was going through physical therapy, trying to strengthen atrophied muscles in my left side that were far weaker than my right side. I wasn’t able to walk ...

Building and maintaining muscle mass is important for everyone, regardless of age — and one of the strongest predictors of long-term health.