1. Most patients gain weight in the 2 years after total knee arthroplasty: comparison to a healthy control group 
J.A. Zeni, L. Snyder-Mackler 
Osteoarthritis and Cartilage 
Volume 18, Issue 4, Pages (April 2010)
DOI: /j.joca
Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions

2. Fig. 1
There was a significant increase in body weight for the TKA group over 2 years (P<0.001) and the TKA group had mean body weight that was significantly greater than the control group at all time points (P<0.001).
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions

3. Fig. 2
Persons in the +BMI group showed a significant reduction in quadriceps strength on the non-operative side between 1 and 2 years.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions