Fig. 1.

Safety and feasibility of the intervention. Data are presented as means and standard errors for thirty training sessions separately in participants who used unilateral and bilateral walking aids. a: total time walked (in seconds); b: total distance walked (in meters); c: total time rested (in seconds); d: number of breaks taken; e: total work performed (in joules); f: total oxygen consumed (in milliliters); Solid diamonds: unilateral walking aid users; Solid circles: bilateral walking aid users