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Pubmed for Handhelds

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  • Title: Seated lumbar/pelvic alignment. A comparison between spinal cord-injured and noninjured groups.
    Author: Hobson DA, Tooms RE.
    Journal: Spine (Phila Pa 1976); 1992 Mar; 17(3):293-8. PubMed ID: 1566167.
    Abstract:
    It has been postulated that loss of voluntary trunk stability, combined with the posture imposed by the configuration of the wheelchair seat, biomechanically necessitates that a person with diminished trunk control assume an abnormal sitting posture. This posture is characterized by a long, "C"-shaped kyphotic thoracolumbar spine, an extended cervical spine, a flattened lumbar spine, and a posteriorly tilted pelvis. If lateral trunk deformities are present, trunk imbalance and pelvic deformities in the coronal (frontal) plane can exist. This study has investigated the spinal/pelvic postural alignment of a limited sample of seated spinal cord-injured people and compared the results to a similar sample of able-bodied individuals seated in the same standardized positions. The results suggests that there are distinct differences in the spinal/pelvic alignment between the two study groups. These differences and the movements that take place in the pelvic structures during active wheelchair sitting have implications relative to pressure sore prevention and postural management.
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