The quadriceps, or quads, are a group of four muscles on the front of the thigh. They are some of the largest and strongest muscles in the body. The quad muscles allow a person to stand, walk, run, ...

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 ...

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 ...

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?

Exercises that target the quads can be done at home with no equipment and only your body weight, or using dumbbells and household objects for added resistance. The quadriceps femoris (quads) refers to ...

Quadriceps are a group of four muscles located at the front of your thigh. Your quadriceps are some of the largest and strongest muscles in your body. Share on Pinterest peterdharwood/Getty Images ...