The Journal of Japan Academy of Health Sciences
Online ISSN : 2433-3018
Print ISSN : 1880-0211
ISSN-L : 1880-0211
Volume 21 , Issue 2
Showing 1-5 articles out of 5 articles from the selected issue
  • 2018 Volume 21 Issue 2 Pages 64-
    Published: 2018
    Released: March 25, 2019
    JOURNALS FREE ACCESS
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  • Manabu Nakamura
    2018 Volume 21 Issue 2 Pages 67-73
    Published: 2018
    Released: March 25, 2019
    JOURNALS FREE ACCESS
    The purpose of this study was to investigate associations among gait, standing balance and muscle contraction latency, sustained contraction during weight bearing on the lower limbs while sitting, in stroke patients. Thirty-five stroke patients, classified by gait independence, were assessed for lower limb loading force using a surface electromyogram (EMG) on vastus medialis and biceps femoris longus muscles in the paretic side. They performed 5-second maximal voluntary contraction and 10-second sustained contraction under lower limb loading while sitting, and the root mean square (RMS) of EMG was determined. Repeated measures two way of analysis of variance were used to analyse the effect of gait independence and time factors. Patients that could gait independently showed a significant higher RMS of paretic vastus medialis muscle than those that could not. There were significant correlations among maximal voluntary contraction and dynamic balance of functional balance scale. These findings suggest that maximal muscle power and sustained contraction by paretic lower limb are factors that correlate with gait and standing balance.
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  • Nobuhisa Ohya, Takumi Yamada
    2018 Volume 21 Issue 2 Pages 74-81
    Published: 2018
    Released: March 25, 2019
    JOURNALS FREE ACCESS
    Purpose We aimed to measure the thickness and reliability of soft tissue surrounding the shoulder joint and using ultrasonography in the elderly compared to young adults. Subjects and Methods 11 each of the elderly and young adults were recruited in this study. The thickness of supraspinatus tendon (SST), subacromial bursa (SAB) and long head of the biceps tendon (BT) were measured using ultrasound. Intra-rater reliability of ultrasound measurements were evaluated by calculating the intraclass correlation coefficient (ICC). Bland-Altman method and standard error of measurement (SEM) was used to evaluate systematic bias of repeated measurements. The statistic difference in the measurements of tissue thickness between the elderly and young adults was analysed with two independent groups t-test. Results and Discussion ICCs for overall measurements were SST; 0.91, SAB; 0.82, BT; 0.90 in young adults and SST; 0.94, SAB; 0.87, BT; 0.87 in the elderly, SEMs were small and there was no systematic bias across all outcomes for repeated measurements. The measurements of both SST and BT in the elderly showed significantly greater thickness than those in young adults.
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  • Yasuaki Kusumoto, Tadamitsu Matsuda, Kenji Takaki, Osamu Nitta
    2018 Volume 21 Issue 2 Pages 82-88
    Published: 2018
    Released: March 25, 2019
    JOURNALS FREE ACCESS
    【Purpose】 This study aimed to investigate the characteristics and to compare equilibrium function and lower limb muscle strength in adolescents with mild developmental disability. 【Methods】 Twenty-four adolescents with mild developmental disability (developmental disability group, 15–16 years old) and 29 healthy adolescents (control group, 15–16 years old) were selected. We used the maximum knee extensor strength, gravimetric test with a stabilometer, and walking test in a straight line in the assessments. And the developmental disability group was classified by the presence or absence of failure of walking test in a straight line. We analyzed the data by performing an unpaired t test, and chi-square test. All the analyses were conducted by using the SPSS statistical package for Windows, version 19.0. P values of < 0.05 were considered statistically significant. 【Results】 In the developmental disability group, the mean maximum knee extensor strength were lower than this in the control group. The values of almost all the parameters in the gravimetric test were significantly high in the developmental disability group. In the developmental disability group, the failure in the walking test in a straight line showed a significant more. The left and right trajectory length closing the eye were longer in the adolescents with mild developmental disability who failed the walking test in a straight line. 【Conclusions】The adolescents with mild developmental disability have decreased lower limb muscle strength, static balance, and dynamic balance in comparison with the healthy adolescents. Our results suggest that the adolescents with mild developmental disability who failed the walking test in a straight line were lower at the static balance than those who didn’t failed.
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  • Nobumitsu Funaoka
    2018 Volume 21 Issue 2 Pages 89-96
    Published: 2018
    Released: March 25, 2019
    JOURNALS FREE ACCESS
    There is only one radiotherapy institution (not Linac but Cyberknife) in Machida City. It’s not eliminating disparities in cancer care. This study is a hearing survey that heard the radiation oncologists( or the radiological technologists) about the radiotherapy system in and around Machida city. The investigation revealed that the radiotherapy institution to be made in Machida city unnecessary. There are plenty of radiotherapy institutions around Machida city. I suggest a continual interview that heard the radiation oncologists about the radiotherapy system around Machida city and the maintenance of traffic environment in and around Machida city.
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