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Height changes due to autotraction
1Department of Orthopaedics and Rehabilitation, University of Vermont, Burlington, VT 05405, USA.
Abstract:
Studies have demonstrated a diurnal change in spine height. In this study, the height of volunteers was tested prior to and following the application of autotraction. The autotraction consisted of 15 pulls of 500-600 N. Immediately thereafter, the height measurement was repeated at intervals of 15 min, 30 min, 60 min and 120 min. On a separate occasion, the subjects repeated the same protocol and postures, but did not exert any pulling forces. It was found that both autotraction and recumbency caused a height increase, but the height increase was greater in recumbency alone. The height gained was lost in 2 h.
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