Figure 1From: A comparative study on approximate entropy measure and poincaré plot indexes of minimum foot clearance variability in the elderly during walkingMinimum foot clearance (MFC) during walking. Vertical displacement of toe marker for one gait cycle (foot contact to foot contact) showing the occurrence of MFC event during mid swing (toe-off to foot contact) phase. (Reproduced with permission from Begg et al [11]). (copyright 2005 IEEE)Back to article page