Does taping help calf strain? Learn calf strain grades, clinical evidence for kinesiology tape, step-by-step taping instructions, and return-to-running tips.

The quad is one of the biggest and strongest muscles in a person's leg. The quadriceps, or quads, are made up of four separate muscles: rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius. These muscles allow a person to stand up, walk, run, and keep the kneecap stable.