Bulletin of the Japanese Society of Prosthetics and Orthotics
Online ISSN : 1884-0566
Print ISSN : 0910-4720
ISSN-L : 0910-4720
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Volume 29, Issue 3
Displaying 1-10 of 10 articles from this issue
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  • Relationship of seated posture and force on the gluteal region
    Taro KEMMOKU, Katsuro FURUMACHI, Tadashi SHIMAMURA
    2013 Volume 29 Issue 3 Pages 168-174
    Published: July 01, 2013
    Released on J-STAGE: July 15, 2014
    DOIhttps://doi.org/10.11267/jspo.29.168
    JOURNAL FREE ACCESS
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    Sitting posture with posterior pelvic tilt, known as sacral sitting, is the posture most likely to cause problems for elderly wheelchair users. Sacral sitting applies pressure and shear forces to the sacrococcygeal area, which can cause pressure ulcer development. However, the relationship between the pressure and shear forces applied in the case of posterior pelvic tilt has not been clarified. In this study, we evaluated the changes in vertical and horizontal forces applied to the sacrococcygeal and ischial areas for pelvic tilt between 0° and 30° for 18 elderly men and women (age : ≥60 years) with normal body weight (body mass index between 18.5 and 25 kg/m2). The measurements showed that the vertical (horizontal) forces increased between 0° and 30° in posterior pelvic tilt for 18 (17) participants, with a high correlation of 0.96 (0.93) between the posterior pelvic tilt angle and vertical (horizontal) forces applied to the sacrococcygeal area. These measurements elucidated how the forces applied to the sacrococcygeal and ischial areas change in accordance with the posterior pelvic tilt in seated position. The results suggest a relationship between pelvic tilt and pressure ulcer development in the sacrococcygeal area.
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  • Changes in limb amputees in an acute care hospital over the past 40 years
    Rie KURAMOTO, Yorikazu HATTORI
    2013 Volume 29 Issue 3 Pages 175-178
    Published: July 01, 2013
    Released on J-STAGE: July 15, 2014
    DOIhttps://doi.org/10.11267/jspo.29.175
    JOURNAL FREE ACCESS
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    We reviewed 373 patients (407 limbs) who underwent limb amputation during the 40-year period between 1971 and 2011 at the orthopedics department of our hospital. The amputees were divided by decade (except the most recent period) into period I (1971-1980), period II (1981-1990), period III (1991-2000) and period IV (2001-2011). Among the amputees, 74.5% were men. The mean age at amputation increased over the years. Especially, the mean age of lower limb amputations increased by 26.1 years from period I to period IV. The majority of upper limb amputations were caused by trauma. For lower limb amputations, over 80% were caused by trauma in periods I and II, while over 60% were caused by circulatory disorders in period IV. Regarding the site of lower limb amputation, a tendency of increase in below-knee amputation was observed, which was due to an increase in below-knee amputations caused by circulatory disorders among patients ranging in age from 50 to 70 years in period III. While the total number of amputees increased apparently, the percentage number of amputations to number of all surgeries per year showed no remarkable differences over the years.
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