If back upholstery height is too low, what is the consequence?

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Study for the PTEACS Physical Therapy Exam 1. Engage with flashcards and multiple-choice questions, each offering hints and explanations. Prepare thoroughly for your examination!

Multiple Choice

If back upholstery height is too low, what is the consequence?

Explanation:
Back support height directly affects how much the trunk is passively supported. When the back upholstery is too low, there isn’t enough surface contact to hold the upper back and thoracic region upright, so the person tends to slump forward. This loss of support reduces trunk stability and forces more muscular effort to maintain posture, which increases energy expenditure and can worsen propulsion efficiency. So, the primary consequence is decreased trunk support.

Back support height directly affects how much the trunk is passively supported. When the back upholstery is too low, there isn’t enough surface contact to hold the upper back and thoracic region upright, so the person tends to slump forward. This loss of support reduces trunk stability and forces more muscular effort to maintain posture, which increases energy expenditure and can worsen propulsion efficiency. So, the primary consequence is decreased trunk support.

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