I am an overweight guy that spent 10 years sitting at my computer and was at 420 on June 3/16 and I am down to 358 as of today. I started going to the gym 2 weeks ago so I can work on my muscles as they are extremely weak. I have been using certain machines regularly like the Bike, Treadmill and upper body and some machines for my legs. Today I tried the elliptical and I was not on it for more than 10 seconds and my quads were burning so bad I had to stop. I tried it again a little while…<br /…