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Body Segment Parameters

Y. X. Body Segment Parameters. Derived from direct cadaver measurements. Elderly, male, Caucasian cadavers. From these data it is apparent that to determine the center of mass of a segment it is necessary to locate the segment endpoints. Y. X. Y. X. Y. To locate the segment CM

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Body Segment Parameters

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  1. Y X

  2. Body Segment Parameters Derived from direct cadaver measurements Elderly, male, Caucasian cadavers From these data it is apparent that to determine the center of mass of a segment it is necessary to locate the segment endpoints

  3. Y X

  4. Y X

  5. Y To locate the segment CM 1st measure the length of the segment 6.8 cm X

  6. Y CM of the trunk is 43.8% of the length of the trunk away from the suprasternale 43.8% of 6.8 cm = 3.0 cm 3.0 cm X

  7. Y to find the whole body CM you need to express the segmental CM locations with respect to a common reference point - we’ll use the origin xi yi X

  8. Y Do this for every segment Use these distances and the segment masses to compute the whole body CM location xi yi X

  9. Y Plot the final coordinates of the CM X-distance = 120 mm Y-distance = 92 mm X

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