Abstract：
:This study investigated the variability arising from replacement of different calibration objects. A new calibration object (L-Frame) was instigated which consisted of four markers screwed into fixed positions in the floor, to ensure consistency between replacements. The variability of a healthy subject's joint moments from replacement of different calibration objects (5 marker wand and L-Frame) was compared to the subject's stride-to-stride repeatability (SSR). Overall the L-Frame calibration object demonstrated the least amount of variation during object replacement for both sagittal and coronal joint moments. In particular for the coronal ankle moment the 5 marker wand positioned at the end of the force-plate alignment had a variability of 81% of SSR, while the L-Frame showed only 3% of SSR. Utilising the L-Frame to set the volume origin and global coordinate system achieved the most consistent results, which is important for assuring reliable measurements during 3-Dimensional Gait Analysis (3DGA).
journal_name
Gait Posturejournal_title
Gait & postureauthors
Passmore E,Sangeux Mdoi
10.1016/j.gaitpost.2013.11.002subject
Has Abstractpub_date
2014-02-01 00:00:00pages
831-3issue
2eissn
0966-6362issn
1879-2219pii
S0966-6362(13)00659-0journal_volume
39pub_type
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