Quantifying the cadence of free-living walking using event-based analysis
Granat, MH, Clarke, C, Holdsworth, R, Stansfield, B and Dall, P 2015, 'Quantifying the cadence of free-living walking using event-based analysis' , Gait & Posture, 42 (1) , pp. 85-90.
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Purpose: Free-living walking occurs over a wide range of durations and intensities (cadence). Therefore, its characterisation requires a full description of the distribution of duration and cadence of these walking events. The aim was to use event-based analysis to characterise this in a population with intermittent claudication (IC) and a healthy matched control group. Methods: Seven-day walking activity was recorded using the activPAL activity monitor in a group of people with IC (n = 30) and an age-matched control group (n = 30). The cadence, number of steps and duration of individual walking events were calculated and outcomes were derived, and compared (p < 0.05), based on thresholds applied. Results: Both groups had similar number of walking events per day (392 ± 117 vs 415 ± 160). The control group accumulated a greater proportion of their walking at higher cadences and 32% of their steps were taken at a cadence above 100 steps/min, for the IC group this was 20%. Longer walking events had higher cadences and the IC group had fewer of these. As walking events became longer the cadence increased but the interevent cadence variability decreased. More purposeful walking might occur at a higher cadence, and be performed at a preferred cadence. Individuals with IC had a smaller volume of walking, but these differences occurred almost entirely above a cadence of 90 steps/min. Conclusions: This is the first study which has quantified the cadence of continuous periods of free-living walking. The characteristics (duration, number of steps and cadence) of all the individual walking events were used to derive novel outcomes, providing new insights into free-living walking behaviour.
|Themes:||Health and Wellbeing|
|Schools:||Schools > School of Health Sciences > Centre for Health Sciences Research|
|Journal or Publication Title:||Gait & Posture|
|Funders:||Non funded research|
|Depositing User:||MH Granat|
|Date Deposited:||07 Jul 2015 14:08|
|Last Modified:||22 Mar 2016 10:23|
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