Fig. 2

Boxplot of outcome parameter—pain on the VAS: baseline, 12 weeks and 12-month follow-up, left: orthosis plus eccentric strengthening exercises, right: eccentric strengthening exercises alone. (PT + O: 6.5–3.7 [p = .001] to 1.1 [p = .000]; PT: 4.7–4.1 [p = .468] to 1.3 [p = .000])