Head position and its effect on pulmonary function in tetraplegic patients

Cheryl Amodie-Storey, Mark S. Nash, Pamela M. Roussell, Anne W. Knox, Linda D. Crane

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

To test the influence of head position on pulmonary function in tetraplegic individuals 15 subjects with chronic C4-C7 injuries participated in a one group pre-post test comparing the relationship between orthostatic position of the head (OPH) and standard pulmonary function tests (PFTs). Twelve subjects with habitual forward head posture and three with non-forward head posture performed PFTs in (1) their habitual posture, and (2) an experimental posture imposed by placement of thoracic and/or lumbar rolls behind their back. Results showed that changing head posture did not alter mid-forced expiratory flow or forced inspiratory vital capacity, but significantly affected forced vital capacity (t = 2.83; P < 0.05) and 12 s maximum voluntary ventilation (t = 2.07; P < 0.05). In cases where pulmonary function was altered by head position, the resulting performance was best in the subject's habitual posture, although no differences in resting pulmonary tests were observed between subjects with and without forward head position. These data show that temporary postural alterations affecting OPH, if not allowing sufficient time for muscular adaptation, adversely affect pulmonary function in tetraplegic patients.

Original languageEnglish (US)
Pages (from-to)602-607
Number of pages6
JournalSpinal Cord
Volume34
Issue number10
DOIs
StatePublished - Jan 1 1996

Keywords

  • Head position
  • Pulmonary
  • Pulmonary function tests
  • Tetraplegia
  • Ventilation

ASJC Scopus subject areas

  • Clinical Neurology

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    Amodie-Storey, C., Nash, M. S., Roussell, P. M., Knox, A. W., & Crane, L. D. (1996). Head position and its effect on pulmonary function in tetraplegic patients. Spinal Cord, 34(10), 602-607. https://doi.org/10.1038/sc.1996.107