I'm not running marathons or anything close to it - usually run a couple 10-minute miles on the treadmill at work 4 days a week, trying to get my legs in shape for skiing this winter (not to mention getting a cardio workout in the process). I'm still careful about what I'm doing - but staying in shape for my job is a necessity.....anything can happen at any time. I worry more about my neck than my lumbar spine.
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