A methodology to assess the upper extremity strength in a chair egress posture

Syed Abid A. Naqvi, Terrence J. Stobbe, Charles F. Stanley

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


In this paper a method is presented which can be used to analyse the force distribution resulting from the application of force on the left and right armrest of a chair during the action of sitting down or standing up. The peak data for both hands can be combined to obtain the maximum for a trial on a specific chair configuration. This method is useful to assess the upper extremity limitations of an elderly or disabled population when rising from a seated position. The method involved the instrumentation, with strain gauges, of armrests of a prototype lounge chair obtained from a manufacturer of seating for the elderly. Provision for hand placement was included and the system was appropriately calibrated. The methodology presented may have a variety of applications, such as the assessment of seating requirements for the elderly or disabled, and the relative evaluation of a range of seats for nursing homes, clinics, hospitals and rehabilitation or recreational lounges.

Original languageEnglish (US)
Pages (from-to)125-129
Number of pages5
JournalApplied Ergonomics
Issue number2
StatePublished - Apr 1993
Externally publishedYes


  • Chair
  • egress
  • elderly
  • methodology
  • posture
  • seat
  • strength
  • testing

ASJC Scopus subject areas

  • Human Factors and Ergonomics
  • Physical Therapy, Sports Therapy and Rehabilitation
  • Safety, Risk, Reliability and Quality
  • Engineering (miscellaneous)


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