Biomedical Engineering Reference
In-Depth Information
and year, respectively for children aged between 1-2 years
old, 2-3 years and over 3 years old. The measurements were
taken in a walking corridor equipped with three force
platforms (0.40 × 0.60 m - Bertec
®
, Bertec Corporation,
Colombus, USA - 1000 Hz) and a motion analysis
system consisting of eight cameras (1.3 MPixels, Eagle
®
-
Motion Analysis
®
, Motion Analysis Corporation, Santa Rosa,
USA).
Figure 5.1.
Data acquisitionof gait trials in children (according to the
Ph.D. thesis of A. Van Hamme [VAN 14])
From the trajectories of cutaneous markers and the hip
center defined using the regressions of Harrington
et al.
[HAR 07], the joint angles are calculated using a sequence of
rotations about mobile axes “ZXY” according to the
recommendations
by
the
International
Society
of
