The longest bones in your body are your femurs, which are located within your upper legs. Connected to your femurs are your quadriceps, which are behind practically every movement that you do. This is ...

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?

Add Yahoo as a preferred source to see more of our stories on Google. Building strong, muscular quads is best done with a combination of compound exercises—squats, lunges, leg presses—and isolation ...

Long-term lifters understand the real importance of leg day (despite how gruelling it may be). Stronger quads help to stabilise our body, power everyday movements, like walking, running and hiking, ...

The sissy squat is one of the most underrated exercises for building serious quad strength. When done properly, it can transform your leg day, improve stability, and push your fitness to the next ...

This leg day crusher combines a little bit of everything, he says. Double leg, single-leg, isometric, quad focused, and grunt work. Awesomely enough, for everything the routine has going on, its ...

Get a grip to push your quads and core to the limit with this leg day exercise variation.

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