Development Of A Novel Platform For
Quantifying Age-related Sensori-motor
Degradation To Control Age-related Falls
Author(s)
G. Shan & X. Zhang
Abstract
As the population ages, falls are becoming a major health problem, not only for
those with some degree of balance/mobility impairment, but also among healthy
active seniors. Previous studies suggest that the degradation of human sensorimotor
function related to age contributes to falls. The aim of this research was to
develop a practical solution for quantifying the age-related sensori-motor
degradation. Therefore, a new testing apparatus, the Dynamic Balance Testing
Platform (DBTP), was developed for quantifying sensori-motor decline using
Artificial Neural Network (ANN) modeling. The DBTP consists of two layers –
an immobile base and a mobile perturbation layer. The perturbation layer is
balanced on a single center pivot; each of the four corners is supported by an air
cylinder, with vertically downwards by a maximum of 2.5 cm. The platform was
designed to reflect the natural oscillations in a subject’s center of gravity (COG).
Shifts in COG positions altered the load on each of the four supporting air
cylinders, leading to measurable vertical displacements. The DBTP captures the
subject’s ability to balance dynamically on a single point of support. An ANN
model, trained by 60 subjects’ data (age: 18–65+), was developed for the DBTP.
Seniors with and without Tai-Chi training were used to contrast any influence
from Tai-Chi on the sensori-motor aging. The result demonstrated that Tai-Chi
slowed down the effects of sensori-motor aging. This study validated that DBTP
is a feasible tool in aging exercise studies.
Keywords: sensori-motor, degradation, ANN modeling, COG, dynamic balance,
training effects.
Keywords
Keywords: sensori-motor, degradation, ANN modeling, COG, dynamic balance,
training effects.
Related Book
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