Discover common causes for upper thigh pain after running, including quadricep and hamstring strains, hip flexor issues, and overuse injuries.

You’re out for a long run filled with rolling hills and you start to feel the burn in your leg muscles. It makes sense: You know your lower body is working hard to propel you through your miles. Yes, ...

“Doing an activity that we aren’t used to challenges muscles to become stronger through adaptation,” says Tim Donnelly, a physical therapist and rehab regional manager with the Illinois Bone & Joint ...

If you’ve ever run up a steep hill, attempted to run a longer distance than you’ve trained for, or done a handful of 200-meter repeats, you know that running can feel like a leg workout just as much ...

A recent umbrella review found that doing at least 10 sets per week per muscle group produces significantly greater hypertrophy than doing fewer sets. Other studies indicate that increasing volume to ...

A VO2 max test measures heart health and breaks down your ideal cardio zones for burning fat and building muscle.