| Hi Genie!
As a devout road rider I will suggest that you consider a real recumbent. If that helps your back problems you could get back to the road (and you already know that is much better than the television). Match that up with an indoor trainer and you have the best of both worlds.
A note to Sarah: Far be it for this Pre-D to give advice to a Type-1. However, I mentioned your question to a friend who is a Type-1, an athlete (Member of Team-Type-1, Bicycle Racing Team) but not a member of this forum. His advice was to get your body used to the training, test while training to get an idea of how your body reacts to exercise and modify your insulin injections accordingly.
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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
10 mg Zocor
2008 cycling miles: 5372 (29 Dec)
2009 Cycling Miles: 4843 (20 Nov)
Fasting C-Peptide 1.4 (02 Oct 08) HbA1c's:
01 July 2008 -- 5.0%
02 Oct 2008 -- 5.4%
01 Apr 2009 -- 5.6%
01 Oct 2009 -- 5.6%
01-Nov 2009 -- 5.4%
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