Fig. 4
From: Aging-related temporal constraints to stability and instability in postural control
Top The area (square centimeters) of the functional stability region (with between-subject standard deviations) as a function of age group and vision condition: Bottom Mean VTC (milliseconds) calculated against the functional stability region as a function of age group and vision condition (adapted with permission from Slobounov et al. 1998 [29])