other:ior_gait:documentation:trunk_reference
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+ | ====== Trunk Reference ====== | ||
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+ | ===== IORtrunk References ===== | ||
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+ | |**Leardini A, Biagi F, Merlo A, Belvedere C, Benedetti MG. (2011)** " | ||
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+ | |BACKGROUND: | ||
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+ | |**Leardini A, Berti L, Begon M, Allard P. (2013)** " | ||
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+ | |It has been shown that an original attitude in forward or backward inclination of the trunk is maintained at gait initiation and during locomotion, and that this affects lower limb loading patterns. However, no studies have shown the extent to which shoulder, thorax and pelvis three-dimensional kinematics are modified during gait due to this sagittal inclination attitude. Thirty young healthy volunteers were analyzed during level walking with video-based motion analysis. Reflecting markers were mounted on anatomical landmarks to form a two-marker shoulder line segment, and a four-marker thorax and pelvis segments. Absolute and relative spatial rotations were calculated, for a total of 11 degrees of freedom. The subjects were divided into two groups of 15 according to the median of mean thorax inclination angle over the gait cycle. Preliminary MANOVA analysis assessed whether gender was an independent variable. Then two-factor nested ANOVA was used to test the possible effect of thorax inclination on body segments, planes of motion and gait periods, separately. There was no significant difference in all anthropometric and spatio-temporal parameters between the two groups, except for subject mass. The three-dimensional kinematics of the thorax and pelvis were not affected by gender. Nested ANOVA revealed group effect in all segment rotations apart those at the pelvis, in the sagittal and frontal planes, and at the push-off. Attitudes in sagittal thorax inclination altered trunk segments kinematics during gait. Subjects with a backward thorax showed less thorax-to-pelvis motion, but more shoulder-to-thorax and thorax-to-laboratory motion, less motion in flexion/ | ||
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+ | |**Leardini A, Biagi F, Belvedere C, Benedetti MG.(2010)** " | ||
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+ | |A number of different models for human trunk kinematics during locomotion have been proposed, though mainly addressing specific clinical questions rather than general populations. These differ considerably for the skeletal segments considered, marker-set, anatomical axis and frame definitions, | ||
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other/ior_gait/documentation/trunk_reference.1718643910.txt.gz · Last modified: 2024/06/17 17:05 by sgranger