• Title/Summary/Keyword: Toilet seat

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The comparison and analysis of facilities factor of rolling stock interior design (철도차량 실내디자인 공간요소 비교분석)

  • Lee Jun-One
    • Proceedings of the KSR Conference
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    • 2004.10a
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    • pp.449-454
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    • 2004
  • As social and cultural value has been changed, customers are demanding equipment innovation of passenger quarters to improve the satisfaction of their needs and the level of transfortation culture. To promote the convenience of passenger and abstract the facilities factor of passenger quarters design, this article analyzed and compared with the facilities factor of passenger quarters which have been operated in domestic and foreign country. While domestic passenger quarters is composed of seat, toilet and washroom, foreign passengers quarters consist of various factor such as familly room, infant room, business room, conversation room, and multipurpose room. Especially, foreign passenger quarters have provided passenger with diversity of attachment space, securing movement line for weak person, and arranging infant/child's space.

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The Effects of Lower Limb and Trunk Muscle Activation on Seat Angle and Height during Sit to Stand and Stand to Sit (시트의 각도 및 높이가 앉고 서기 시 하지 및 몸통의 근활성도에 미치는 영향)

  • Kim, Byeong-Jo;Lee, Su-Kyoung;Lee, Jung-Hoon;Kwon, Hae-Yeon
    • Journal of the Korean Society of Physical Medicine
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    • v.10 no.4
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    • pp.107-112
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    • 2015
  • PURPOSE: This study investigated the effects of lower limb and trunk muscles activation on seat angle and height during sit to stand and stand to sit. METHODS: Subjects were instructed to sit and stand on different angles and heights; $0^{\circ}$(43cm), $5^{\circ}$(48cm), $10^{\circ}$(51cm) and $15^{\circ}$(58cm). Measurements were conducted from sit to stand and stand to sit for external oblique, transversus abdominis, rectus femoris, vastus medialis, vastus lateralis, tibialis anterior and gastrocnemius muscle activation by surface EMG. The muscle activation was measured three times for five seconds in each posture, and the %RVC value was calculated after the exclusion of one second before and after this measurement. This calculation standardized the data from each participant so it could be comparatively analyzed. RESULTS: The external oblique, tibialis anterior, and erector spinae muscles showed significant difference in $10^{\circ}$(51cm), $15^{\circ}$(58cm) and $0^{\circ}$(43cm), rectus femoris, in $15^{\circ}$(58cm) and $0^{\circ}$(43cm)(p<.05) during sit to stand. The external oblique, tibialis anterior, and rectus femoris muscles showed significant difference in $0^{\circ}$(43cm) and $15^{\circ}$(58cm), erector spinae and vastus medialis muscles showed significant difference in $10^{\circ}$(51cm), $15^{\circ}$(58cm) and $0^{\circ}$(43cm)(P<.05) during stand to sit. CONCLUSION: The present study findings indicate that the toilet seat angle and height could affect muscle activities of the lower limb and trunk.