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    Arch Phys Med Rehabil. 1990 Mar;71(3):210-5.

    Electric muscle stimulation for pressure sore prevention: tissue shape variation.

    Source

    Department of Physical Medicine and Rehabilitation, Medical School, University of Michigan, Ann Arbor.

    Abstract

    This study measured changes in tissue shape and deformation at the seating interface produced by electric muscle stimulation (EMS) of the gluteus maximus. The purpose of the study was to investigate the application of EMS for pressure sore prevention. Limitations of pressure measurements for analysis of load distribution are discussed and a rationale developed for using tissue shape and deformation to further characterize the seating interface. Ultrasonic imaging of the seating interface is described under three conditions: buttocks suspended, external load applied with no EMS, and external load applied with bilateral EMS of the buttocks. Results show that low level stimulation of the gluteus maximus produces substantial changes in the shape of the loaded buttocks and an external contour more nearly shaped like the suspended buttocks. It is concluded that EMS produces buttock tissue undulation and shape reconfiguration which may assist in preventing pressure sores over the seating surface.

    PMID:
    2180391
    [PubMed - indexed for MEDLINE]

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