Abstract
Falls and fall-related injuries correspond to major, public health problems, especially among the elderly (Tinetti 2003). These injuries are a considerable burden on public health-care budgets in m...
Highlights
Falls and fall-related injuries correspond to major, public health problems, especially among the elderly (Tinetti 2003)
The task consisted on four repetitions per direction and condition, which were the following: Simple Reaction Time (SRT): the subject was aware of the target direction to be stepped on
About 2/3 of the stepping time (ST) difference in choice stepping reaction time test (CSRT) could be explained by differences in the SRT, i.e., by the capacity to step slowly on a target due to a motor slowdown due to the decrease in muscle mass
Summary
Falls and fall-related injuries correspond to major, public health problems, especially among the elderly (Tinetti 2003). These injuries are a considerable burden on public health-care budgets in many western countries increasing every year due to ageing population (Heinrich et al 2010). In order to avoid a fall, it requires perception of a postural threat, selection of an appropriate corrective response, and proper response execution. The individual physiological components required to avoid falls— sensory acuity, reaction time, and reactive stepping— have been previously investigated. The choice stepping reaction time test (CSRT) is an integrated test that is a good indicator of the risk of fall and has correlation with impaired cognitive functions (Lord and Fitzpatrick 2001). Its integrated aspect does not allow to get insight into the specific deficits to precisely define the subjects profile with risk of fall (Pijnappels et al 2010)
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