Vanicek, N., Strike, S., McNaughton, L., & Polman, R. (2009). Gait patterns in transtibial amputee fallers vs. non-fallers: biomechanical differences during level walking. Gait and Posture, 29(3), 415-420. https://doi.org/10.1016/j.gaitpost.2008.10.062