Muscle loss with age is possible. If you are over 55 and your legs start feeling weak, you are not alone. People at this age suffer a lot because of this pain. This happens naturally because of age. But many people do not get the point that lifting heavy weights in the gym can only get strength.
By doing simple movements it can help your leg muscles work better. It will improve your balance and your stiffness from your body. Without putting that much pressure you can still do it. The only thing that matters is consistency.