Gait Balance And Fall Risk Assessment Of The Eldly Based On IDEEA

Fall is an important issue that threatens the health of the elderly.The assessment of the risk of falling is a prerequisite for helping the elderly to understand their own situation and to intervene in advance to prevent and reduce the psychological and financial losses caused by the fall.Scientific and rigorous assessment of the risk of falling falls in the elderly is very important.In this paper,20 adult male subjects over 60 years old were tested using the wearable smart device IDEEA produced by Minisun.By recollecting the past year's history of falls,the elderly were divided into a fall group(6 people)and an unfall group(14 people),and a timed walking test(TUGT)was conducted,and the 25 m test was conducted at a constant speed.The TUGT test time recorded in the experiment and the acquisition of gait data were collected,and the general information of the elderly was collected through questionnaires.RESULTS:The comparison of TUGT test data for the elderly was available.The two groups supported one foot support time,one foot support time/double foot support time,stride duration,cycle time,ground impact,foot strength,foot angle when leaving the ground,The difference was statistically significant in speed and stride frequency(P<0.05,P<0.01).In the normal speed walking experiment of the elderly,there are significant differences in the fall group and the non-fall group,such as swing strength,ground impact,foot strength,angle of the foot when leaving the ground,and pace.According to the ROC curve,the critical values of several gait data of the fall group and the non-fall group are determined.The predicted ground impact is less than 1.47G,the landing strength is less than 3.45G,and the angle of the foot is less than 37.20 when the ground is off.These values have certain reference value for the future use of IDEEA to assess the risk of falls in the elderly,but require a larger sample size for testing and optimization.Conclusion:The increased risk of falls in the elderly is closely related to lower limb strength.Older people with a history of falls found that their gait performance was worse than that of older people who did not fall,including the weakness of lower limb strength,vision problems,drug effects,psychological factors,fear of falls,and so on.IDEEA provides a quantitative approach to predicting the risk of falls in the elderly by assessing the balance and walking ability of the elderly through direct observation of gait data.Among them,the swing strength,the ground impact,the strength of the foot,and the angle of the foot when leaving the ground are obviously different among the elderly who fall and fall.The quantitative evaluation of these values has a reference on the risk of falling in the elderly value.