Together, these muscles work in sync to propel your legs up and down. And while it’s normal to feel tightness and soreness following, say, a series of heavy walking lunges, the quads can also tighten ...

Quadricep exercises target the quadriceps - a group of muscles sitting on the front of your thighs. If you've done one too many squats in the gym or had to climb more stairs than you'd like, you'll be ...