Twelve to seventeen minutes is plenty on the treadmill--if it's done fast. That's all you need for cardiovascular benefit. You don't need to spend that extra time unless you are over weight and you need to burn off extra calories. Do it vigorously, like somebody is chasing you. You've got to do it hard. Otherwise, if you just take it easy and do it longer, you are spending all that time when you don't need it. Use that extra time with your weights instead.
Jack LaLanneWhat you need to do is get that tape measure out, and start measuring that gut. Then you start working out and you start eating properly till that gut gets down close to it was when you were in your 20's. Then you'll find out what your weight should be.
Jack LaLanneWhen I first started out, I was considered a crackpot. The doctors used to say, "Don't go to that Jack LaLanne, you'll get hemorrhoids, you won't get an erection, you women will look like men, you athletes will get muscle-bound -- this is what I had to go through.
Jack LaLanneHave you seen some of the crap they're selling as exercise equipment now? How about that Suzanne Somers? She should have been thrown in jail for selling the piece-of-crap Thigh Master. It just develops a little muscle on the inner thigh. What good is that?
Jack LaLanne