Originally Posted by rpmcduff
I do isometric (muscle contractions) for abs, chest, lats and neck. I do these in the car during my hour plus (each way) commute. They don't replace other workouts but I have built some strength.
Isometrics is an excellent suggestion, Ron. I used to do them when I was younger. I think I had a program from Charles Atlas? Anyway, they can be done anywhere, are low impact, and produce good results. Not sure if they burn calories but still a great idea.