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نویسندگان مقالات پربازدید :
مجله رفتار مکانیکی مواد زیست پزشکی
جزئیات رویداد
همایش ، رویداد ، ژورنال
اینستاگرام تی پی بین

  • the influence of foot posture, support stiffness, heel pad loading and tissue mechanical properties on biomechanical factors associated with a risk of heel ulceration

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    • تاریخ ارائه: 1394/01/01
    • تاریخ انتشار در تی پی بین: 1394/01/01
    • تعداد بازدید: 680
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     heel ulcers (hu) are the second most common type of pressure ulcers. in this work, we developed the first anatomically-realistic three-dimensional finite element model of the posterior heel for studying the risk for hu in bedridden patients. we specifically simulated a heel that is resting on supports with different stiffnesses at upright and inclined foot postures. our objective was to examine the effects of foot posture and stiffness of the support on strains and stresses within the fat pad of the resting heel. we found that strains and stresses in the fat pad of the heel are considerably reduced when the foot is positioned so that its lateral aspect is at 90° with respect to the horizon compared to an abducted (60°) foot posture. the study therefore indicates that theoretically, an inclined foot posture puts a bedridden patient at a higher risk for hu with respect to an upright foot posture, which may be explained by the anatomy of the heel that faces a lower curvature and better cushioned region against the support when the foot is upright.

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