[pct-l] Why Runners Don't Get Knee Arthritis
James Vesely
jvesely at sstinternational.com
Wed Sep 25 16:10:32 CDT 2013
I think this applies to walking and hiking as well.
http://well.blogs.nytimes.com/2013/09/25/why-runners-dont-get-knee-arthritis
/?exprod=myyahoo&_r=0
Jim
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