Doing 40 weighted goblet squats every day, for six months, is a grueling task. But having stuck with the program for half a year, I can confidently say that it's worth it if you want to get stronger.

Take this simple squat test to see if your lower-body strength after 50 is below average, solid, or truly elite.

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 ...