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    Modifications for problem knees?

    Thanks so much for the great ideas and support! Wendy, I was so excited to hear that you do Imax--I have that one coming for Christmas and was wondering if I would ever be able to do it, thinking that it looked so high impact. Do you modify a lot on that one? I am trying the glucosamine...
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    Modifications for problem knees?

    I would love to hear what modifications any of you have found useful for keeping fit and strong even though you have problem knees. What do you substitute for lunges, power scissors, etc.? Anything that has helped you for either cardio or strength training would be appreciated. Thanks! --Karen
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    Muscle just quit

    This morning I did my cardio work and then put on my Slow & Heavy Triceps and Biceps. I got through the triceps section fine, but when the biceps started, my right arm just quit--it wouldn't lift those dumbbells at all. I switched from my normal 11 lb. to 8 lb and squeezed out a couple reps...
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    How do you measure your body fat percentage?

    Thank you all! I have enjoyed (and can relate to) your responses so much. I'm still not sure what I'll end up doing here. Mirror and clothes fit are so sensible, but I'm new to being at a "normal" weight and don't yet have a good grip on exactly where (weight or fat level) this body would...
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    How do you measure your body fat percentage?

    I'd like to get some idea of my body fat percentage, but depending on the method I use (calipers, Omron machine, various measurement formulas found on the internet) it comes out as anywhere between 18-28%. Too large a range to be useful. What methods do you all use and trust?
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