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The best quad exercises are those that strengthen your upper leg muscles and create a steady foundation for your whole body. Quads are an extremely important group of muscles that help you raise your ...

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?

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, ...