Fig. 1

PRISMA study selection flow chart for the review. The relevant, non-duplicate citations were screened and included in the review if (1) the methods included individuals with previous running experience, of which their experience level was clearly reported; (2) the study prescribed specific details for transitioning to minimal footwear including the proposed exposure to minimal shoes; (3) the study included the use of “true minimal” shoes, based on the published definition; and (4) the study was longitudinal and prospective