Effects of a therapeutic foot exercise program on injury incidence, foot functionality and biomechanics in long-distance runners: feasibility study for a randomized controlled trial - Taddei, Ulisses T; Sacco, Isabel C. N; Matias, Alessandra B; Ribeiro, Fernanda I. A; Inoue, Rafael S; Bus, Sicco A (Physical therapy in sport, 2018)