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 ...

Building strong, muscular quads is best done with a combination of compound exercises—squats, lunges, leg presses—and isolation work, such as leg extensions. Tack on some powerful plyometric moves, ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Squats train all the major ...