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Can tactile plantar stimulation improve postural control of persons with superficial plantar sensory deficit?
Bernard-Demanze L, Vuillerme N, Ferry M, Berger L. Aging Clin Exp Res. 2009 Feb;21(1):62-8.
Quote:
BACKGROUND AND AIMS: Complex interactions between visual, vestibular and somatosensory information and the cerebellar system are involved in the maintenance of upright posture. Previous studies have shown that normal aging and pathologies may lead to deterioration of the control of upright standing posture. METHODS: In order to investigate postural control during quiet standing in the elderly, the center of pressure (CoP) was analysed on two force platforms in three different groups. The first group was composed of 13 healthy older adults (O), the second consisted of 9 older adults with plantar sole deficit (OD), and the third (control) group was composed of 8 young healthy subjects (Y). All subjects were tested with eyes closed, before and after tactile plantar stimulation lasting ten minutes. Center of pressure displacements were analyzed in terms of sway area, mean velocity, and mean root mean square (RMS) along both mediolateral and antero-posterior axes. RESULTS: Results showed that, before tactile plantar stimulation, the sway area and mean RMS were greater in O and OD subjects compared with Y ones. After tactile plantar stimulation, a decrease in the mean RMS was observed in OD subjects, this effect being significant only for the medio-lateral axis. CONCLUSIONS: These results suggest that application of tactile plantar stimulation may compensate a loss of superficial plantar sensitivity.
Tactile plantar stimulation in sensory deficits improves postural control
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