Effect of Different Sitting Postures on Lung Capacity, Expiratory Flow, and Lumbar Lordosis Fang Lin, DSc, Sriranjani Parthasarathy, BS, Susan J. Taylor, OT/L, Deborah Pucci, MPT, Ronald W. Hendrix, MD, Mohsen Makhsous, PhD Archives of Physical Medicine and Rehabilitation Volume 87, Issue 4, Pages 504-509 (April 2006) DOI: 10.1016/j.apmr.2005.11.031 Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
Fig 1 BPS of the wheelchair can be tilted downward 20°, and lumbar support added. Three sitting postures (ie, slumped, normal, WO-BPS) are shown here. Archives of Physical Medicine and Rehabilitation 2006 87, 504-509DOI: (10.1016/j.apmr.2005.11.031) Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
Fig 2 A typical flow volume loop from a subject for the slumped, normal, WO-BPS sitting, and standing postures. Legend: , PEF; ♦, FEF25%; •, FEF50%; ▶, FEF75%; ↑, FVC. Archives of Physical Medicine and Rehabilitation 2006 87, 504-509DOI: (10.1016/j.apmr.2005.11.031) Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
Fig 3 Lateral radiographic images. Representative lumbar lordosis from 1 subject in the (A) slumped, (B) normal, (C) WO-BPS sitting, and (D) standing postures. Archives of Physical Medicine and Rehabilitation 2006 87, 504-509DOI: (10.1016/j.apmr.2005.11.031) Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions