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 quads are one of the largest muscle groups you can train, so working them increases your overall leg strength for exercises like squatting, lunging, leg pressing, and other lower body exercises ...

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, ...

Strong legs are the foundation of our body that support most movements, and the quadriceps, commonly known as the quads, play a significant role in maintaining stability and balance. So, it is ...

Squats aren’t the only way to build strong quads—moves like step-ups, lunges, and leg presses target them just as well. These exercises work the quads in different ways, from eccentric engagement on ...

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 ...

Much like their name implies, the quadricep muscles were once thought to be a set of four muscles, with the name “quad” translating to “four or fourth” in Latin. However, it has since been discovered ...

Julia Ries Wexler is a writer focusing on all things health and wellness. She has over 10 years of experience in health journalism, and though she has written about pretty much every health topic ...

Stretching isn’t the most exciting part of a runner’s routine, but the benefits of a good stretch can’t be understated. That doesn’t mean you need to plan an intricate routine to stretch for hours a ...