Current Pedorthics | January-February 2019 | Vol.51, Issue 1 | Page 30

Lateral wedges - a crossover study 20 First Iteration Washout Second Iteration 16 12 8 4 0 Month 0 Month 2 Month 4 Month 6 68 First Iteration Washout Second Iteration 51 34 17 0 Month 0 Month 2 Month 4 Month 6 FIGURE 2: Assessment of treatment and period effects for Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) pain a and physical function subscales b. Lower scores indicate less knee pain and physical dysfunction. Dotted lines indicate mean values for participants receiving the lateral wedges alone first, followed by the lateral wedges plus arch support; solid lines indicate mean values for participants receiving the lateral wedges plus arch support first, followed by the lateral wedges alone. 28 Pedorthic Footcare Association | www.pedorthics.org