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Cited by 15 publications
(5 citation statements)
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“…Anteroposterior tilt of the pelvis during walking (Saunders et al, 1953) can introduce artificial vertical motion because of the offset between COM and sacral marker (Saini et al, 1998). Large anteroposterior tilt along with lateral tilt of the pelvis could change the vertical position of a skin-surface marker on the sacrum with respect to the COM position due to the out-of-plane rotations (Gard et al, 1996). …”
Section: Discussionmentioning
confidence: 99%
“…Anteroposterior tilt of the pelvis during walking (Saunders et al, 1953) can introduce artificial vertical motion because of the offset between COM and sacral marker (Saini et al, 1998). Large anteroposterior tilt along with lateral tilt of the pelvis could change the vertical position of a skin-surface marker on the sacrum with respect to the COM position due to the out-of-plane rotations (Gard et al, 1996). …”
Section: Discussionmentioning
confidence: 99%
“…In 2-D planar analyses it is often assumed that the flexion/extension axes of the joints lie perpendicular to the sagittal plane. In this situation, segment motion in the frontal plane may be erroneously interpreted as adduction/abduction at the level of the joint, or alternatively, what has been measured as joint flexion/extension in a sagittal plane analysis may actually incorporate rotation about non-flexion/extension axes (Gard et al, 1996). In 3-D analyses, joint kinematics are often based on joint axes constructed from anatomical landmarks (Cappozzo et al, 1995;Wu et al, 2002).…”
Section: Influence Of Flexion/extension Axes Alignment On 3-d Kinematicsmentioning
confidence: 99%
“…It has been reported that the amplitudes of vertical, lateral, and progressive displacements in the thoracic vertebrae are 25–95, 20–60, and 5–30 mm [ 19 ], and those in the pelvis are approximately 40, 45, and 26 mm [ 20 ], respectively, in elderly people. After the intervention, the amplitudes were almost within these ranges, and the trajectory of the trunk and pelvis changed to form a normal figure-of-eight [ 21 ]. The movements required in this study included trunk flexion and rotation and pelvic forward tilt in the sitting position within 90% of the maximum effort.…”
Section: Discussionmentioning
confidence: 99%