Gait step-time variability
Effect of gait speed on gait rhythmicity in Parkinson's disease: variability of stride time and swing time respond differently
... stride time variability and swing time variability, these two measures were typi- cally affected by disease and aging to similar degrees ...stride time variability, but not swing ...
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Gait Variability: Methods, Modeling and Meaning
... on gait variability advance our understanding of an intriguing aspect of gait: the ability of the healthy neural control sys- tem to fine tune the stride-to-stride fluctuations of walking to a ...
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Fractional Langevin model of gait variability
... human gait fluctuates from step to step in a random manner and scaling of the interstride interval time series motivated previous investigators to conclude that this time series is ...
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Gait variability: methods, modeling and meaning
... of gait variability have been motivated by a number of ...of gait variability is its relationship to fall ...of gait variability, Guimaraes and Isaacs [31] suggested that elderly ...
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A Validated Smartphone-Based Assessment of Gait and Gait Variability in Parkinson’s Disease
... Step time events were obtained directly from the timestamps of acceleration waveform ...contrast, step length events are derived from machine learning regression models; as such, individual ...
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Study of the association between gait variability and physical activity
... acquisitions, gait cycles were captured for 30 s, from the 3rd to the 4th minute of each speed ...Each gait cycle (GC) was time-normalised to a standard 100 value ...Standard gait parameters ...
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Patients with Chronic Obstructive Pulmonary Disease Walk with Altered Step Time and Step Width Variability as Compared with Healthy Control Subjects
... earlier, gait variability is defined as the natural stride-to-stride fluctuations present during walking but it can be measured several ...the variability of movement, one must examine both the ...
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Aging and partial body weight support affects gait variability
... that gait in the elderly tends to slow down due to the natural aging of all biological sys- tems [1-4] and/or fear of falling ...the gait cycle ...stance time due to a longer duration of the double ...
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Strength asymmetry increases gait asymmetry and variability in older women.
... and gait asymmetries in older adults. In the calculation of bilateral gait asymmetry, our initial intention was to determine if participants relied more on the strong leg during walking, for example greater ...
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Too much or too little step width variability is associated with a fall history in older persons who walk at or near normal gait speed
... examining gait variability and ...and variability of step length, stance time and step time where others have shown an association with similar gait ...
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Interaction between step to step variability and metabolic cost of transport during human walking
... n step time n Þ ð HSx nþ1 HSx n Þ; ð 1 Þ where HSx n is the anteroposterior position of the heel marker at the n th heel strike, and HSx n+1 is the anteroposterior position of the contralateral heel marker ...
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Gait variability and symmetry in world class senior and junior race walkers
... as step length and frequency will change with pace (Hanley et ...of step frequency and contact time showed low variability, flight time was considerably more variable in both groups (> ...
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Sleep-related breathing disorders and gait variability: a cross-sectional preliminary study
... stride time and SRBDs severity in older ...had gait abnorma- lities and that these gait abnormalities could be treated by CPAP ...temporal gait parameters were measured before and after 8 ...
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The variability assessment of the dynamic gait parameters of persons with unilateral trans-tibial amputation
... The traits of the selected components of the reaction force differs considerable among measured persons. The magnitude of the force impulse in the acceleration and in the braking phase of the step is changing. The ...
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Intraindividual reaction time variability, falls, and gait in old age: A systematic review
... predict gait impairment in clinical contexts is less clear given that gait assessment is relatively straightforward and quick to ...neurocognitive variability have been found to predict declines in ...
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Gait Variability Is an Independent Marker of Frailty
... 42 you have a lot of energy?” for which the possible response options were: (a) all of the time, (b) half of the time, or (c) a little/none of the time (Orme et al., 1986). The level of physical ...
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Managing variability in the summary and comparison of gait data
... We exemplify the above procedure with two kinematic data sets taken from a child with an above-knee amputa- tion, wearing two different types of prosthetic devices. Of interest is whether the use of a swing phase control ...
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Intraindividual variability, gait and falls in old age
... examining gait, however, as mean RT proved to be just as strong in the prediction of these outcomes as ...IIV, gait and falls in older adults is ...higher variability levels are a reliable risk ...
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Time of Transfer Step by Step
... 69.2(1) Inspections required. Beginning July 1, 2009, prior to any transfer of ownership of a building where a person resides, congregates, or is employed that is served by a private sewage disposal system, the sewage ...
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Are gait variability and stability measures influenced by directional changes?
... of time turning in the DCW con- dition, acceleration signals underwent modifications during the directional ...on variability/stability measures was found to be negli- gible for almost all the measures ...
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