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Related Experiment Videos

Thoracic suspension: quantitative effects upon seating pressure and posture.

G F Harris1, J E Coad, R Pudlowski

  • 1Shriners Hospital for Crippled Children, Chicago, Il. 60635.

Paraplegia
|December 1, 1987
PubMed
Summary
This summary is machine-generated.

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Thoracic suspension orthosis significantly reduces seating pressure by 59.8%, improving lateral posture and healing pressure sores. Leg support influences anterior-posterior pressure distribution.

Area of Science:

  • Orthotics and Biomechanics
  • Rehabilitation Engineering

Background:

  • Seating pressure is a critical factor in pressure sore development and patient comfort.
  • Thoracic suspension orthoses are used to manage spinal conditions and improve posture.

Purpose of the Study:

  • To quantitatively assess the effects of thoracic suspension orthosis on seating pressure distribution.
  • To evaluate the impact of thoracic suspension on lateral posture and ischial pressure.
  • To investigate the influence of leg support conditions on pressure redistribution.

Main Methods:

  • Quantitative measurement of anterior, posterior, and ischial pressures in 10 subjects.
  • Comparison of pressures in unsuspended versus suspended states (90-120 minutes).
  • Assessment of lateral support changes and spinal curvature correction.

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Main Results:

  • Mean seating pressure decreased by 59.8% with thoracic suspension.
  • Significant improvements in lateral support and reduction in ischial pressure were observed.
  • Spinal curvature showed immediate correction (10-20 degrees) but was not consistently maintained.
  • Pressure sores healed in all subjects using the orthosis.
  • Leg support condition significantly affected anterior-posterior pressure distribution.

Conclusions:

  • Thoracic suspension orthosis effectively reduces seating pressure and modifies lateral posture.
  • Leg support is a key factor in managing anterior-posterior pressure distribution.
  • The orthosis shows promise for pressure sore healing and spinal alignment support.