Growing old sucks, you wake up with aches and pains and sometimes weird smells come out of you, but I digress, no matter what hurts or aches, there’s no reason why you can’t still get in some exercise.
DAREBEE (formerly NeilaRey.com) has several alternatives for high-impact exercises, like high knees, jumping jacks, squats, and push-ups. For example, you can reduce the pressure on your knees, by doing wall squats instead of regular squats. The illustration above shows how you can make high knees or jumping jacks easier.
Check out the link below for the illustrations and modifications for the other high-impact moves.
Modifications/Exercise Alternatives | DAREBEE