| Hi Jerry!
Thank you for sharing your statistics. You already know it is not a pretty picture. I wish I could offer a simple solution, but I don't have one. However, I am concerned that you are fixated on your condition as related to Pre-Diabetes.
The weight you are carrying is probably making your back injury worse. Therefore, weight loss is essential to your particular condition. Since you are concerned about potential onset of diabetes, launch into a full-blown diabetic diet. Very low carbs and extremely calorie restricted. My guess is that as you drop weight your ability to walk will improve. Of course, I will say that if you can walk, even only a few hundred yards at a time, do so. Moving your weight uses a lot of energy.
You are into the long term decisions of your life. It is time to take action.
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Be well, do good work, and keep in touch [Garison Keilor]
Ronin (a.k.a, George N. Wells, CPIM)
Tandemist/Lay Theologian
Enjoying Life and Learning about myself everyday.
Pre-D -- Not on Insulin  (yet) 
For Cholesterol though:
2500 mg Niacin
5 mg Zocor
2008 cycling miles: 4844 (20 Nov)
Fasting C-Peptide 1.4 (02 Oct 08) HbA1c's:
01 Mar 2008 -- 5.4%
01 Apr 2008 -- 5.3%
01 May 2008 -- 5.1%
01 June 2008 -- 5.1%
01 July 2008 -- 5.0%
02 Oct 2008 -- 5.4%
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