1. Does a yoga-strengthening program for women with knee osteoarthritis have an effect on gait patterns? An investigation with principal components analysis 
E.C. Brenneman, M.R. Maly 
Osteoarthritis and Cartilage 
Volume 25, Pages S130-S131 (April 2017)
DOI: /j.joca
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2. Figure 1
Mean baseline and follow-up waveforms with the low and high percentile z-scores (left) and the corresponding principal component loading vector (right) for the knee flexor and hip flexor moments gait waveforms.
Osteoarthritis and Cartilage  , S130-S131DOI: ( /j.joca )
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