This funny-looking move is more than social media fluff. This leg day staple can save your spine.

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, ...

If you want to grow your legs, then you can’t forgo their largest muscle – the quads. But, did you know the benefit of training this muscle stems further than simply making sure you look good in your ...

Bodybuilders from the 60’s through the early 80’s would drink a cup of coffee before heading to the gym to get a little pre-workout boost of energy. Nowadays, we have pre-workout gummies and bulk ...

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?

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 ...

Whether you realize it or not, your quads are doing the most—every time you sit, stand, step, or sprint. These powerhouse muscles on the front of your thighs are crucial for strength, balance, and ...