Do pedometers with or without education on exercise increase functional walking capacity and physical activity level in adolescents with juvenile idiopathic arthritis?

To evaluate the impact of pedometer use on the physical activity (PA) and functional walking capacity (FWC) of adolescents with juvenile idiopathic arthritis (JIA) and lower extremity (LE) involvement. Twenty-seven adolescents, aged 11-19years with JIA and LE involvement, participated in the three-phase pedometer study that introduced the use of a pedometer and an education seminar at 6weeks. Measurements were taken at the baseline first visit and at weeks 6, 12, and 20. The primary outcome measure was the 6-minute walk test (6MWT). Thirteen completed the study. Six-minute walk distance (6MWD) significantly increased from baseline (458.0 +/- 70.8m) to the end of phase 1 (501.4 +/- 59.8m) (p=0.035), prior to receiving the pedometer; and from baseline to the end of study (p=0.0037). No significant changes in 6MWD were found between weeks 6 and 12 (intervention) (p=0.77) or between weeks 12 and 20 (follow through phase) (p=0.27). In adolescents with LE JIA, consistent guidance and support by rheumatology professionals appears to positively influence PA and measures of FWC as seen through improved 6MWD. There was insufficient evidence to show that pedometers further increased FWC or PA.