... foot standing posture Although the human ankle-foot system is complex, it has been shown that its functions for certain tasks are rather simple. For example, our group has shown that the human ankle-foot system conforms to a circular effective rocker shape (i.e., roll-over shape) during...

...Albert H. Vette; Egor Sanin; Abdulkadir Bulsen; Alan Morris; Kei Masani; Milos R. Popovic To date, a postural perturbation system capable of generating position-, velocity-, and force-controlled perturbations while being portable and suitable for use during various postural scenarios does not exist...