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If you’re a beginner, start with quad exercises that feature isometric holds (such as split squat isometric holds, isometric squats, and bear planks) to develop muscular endurance, stability, and ...

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 ...

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?

As soon as you make running a habit (or even before you do!), it’s smart to establish a solid strength-training routine to support your run schedule. Adding strength training to your calendar can help ...

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. While plenty of ...