Abstract:
:The aim of this investigation was to evaluate the inter- and intra-session reliability of spatio-temporal gait variables collected during walking and stair climbing with the Intelligent Device for Energy Expenditure and physical Activity (IDEEA) accelerometer-based system. Eighteen healthy subjects (10 men, 8 women) completed a standardized indoor circuit comprised of walking and stair climbing. Intra-and inter-session reliability was investigated for several pertinent spatio-temporal gait variables using intraclass correlations [ICC (3,1)]. Intra-session reliability during walking showed a high reliability of the IDEEA with ICCs ranging between 0.84 (number of steps) and 0.97 (single limb support/double limb support). The ICCs for stair climbing were slightly lower than those during walking with values ranging between 0.74 (step duration) and 0.92 (number of steps). Inter-session reliability during walking showed a high reliability of the IDEEA between all trials, with values ranging between 0.87 (speed) to 0.98 (step duration). The ICCs of stair climbing were again lower than those during walking with values ranging from 0.64 (swing duration) to 0.79 (number of steps). The IDEEA accelerometer-based system provided a highly reliable measurement of spatio-temporal variables, in healthy subjects, during walking with moderately reduced correlations during stair climbing.
journal_name
Clin Physiol Funct Imagingjournal_title
Clinical physiology and functional imagingauthors
Gorelick ML,Bizzini M,Maffiuletti NA,Munzinger JP,Munzinger Udoi
10.1111/j.1475-097X.2009.00864.xsubject
Has Abstractpub_date
2009-07-01 00:00:00pages
271-6issue
4eissn
1475-0961issn
1475-097Xpii
CPF864journal_volume
29pub_type
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