A nationwide observational study of locomotive syndrome in Japan using the ResearchKit: The Locomonitor study

We developed the Locomonitor application (app), the world's first iOS app to study locomotive syndrome, using the ResearchKit and examined the prevalence and risk factors for locomotive syndrome in Japanese general individuals 20–69 years old in a nationwide cross-sectional observational study. The participants were recruited from February to August 2016. The outcome measures for the locomotive function were evaluated by locomotive syndrome risk...