Effect of bed height and use of hands on trunk angular velocity during the sit-to-stand transfer

U. Lindemann, L. van Oosten, J. Evers, C. Becker, J.H. van Dieen, R.C. van Lummel

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    Abstract

    The ability to rise from a chair or bed is critical to an individual's quality of life because it determines functional independence. This study was to investigate the effect of bed height and use of hands on trunk angular velocity and trunk angles during the sit-to-stand (STS) performance. Twenty-four older persons (median age 74 years) were equipped with a body-fixed gyroscopic sensor and stood up from a bed adjusted to different heights, with and without the use of hands at each height. Peak angular velocity and trunk range of motion decreased with increasing bed height (all p ≤ 0.038) and were lower using hands during STS transfer indicating less effort. In conclusion, gyroscopic sensor data of the STS transfer of older persons show differences as an effect of bed height and use of hands. These results provide the rationale for recommending a relatively high bed height for most of the older persons.
    Original languageEnglish
    Pages (from-to)1536-40
    JournalErgonomics
    Volume57
    Issue number10
    Early online date17 Jul 2014
    DOIs
    Publication statusPublished - 2014

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