On the effectiveness of armrests for the standing-up motion
This paper describes the effectiveness of armrests from the lower limb moment during the standing-up motion. Armrests are an important element in the standing-up motion from a chair in our daily life. To clarify the usability and the effectiveness of armrests is our purpose in this study. Chairs wit...
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| Published in | Ningen kogaku. The Japanese journal of ergonomics Vol. 42; no. 1; pp. 1 - 8 |
|---|---|
| Main Authors | , |
| Format | Journal Article |
| Language | English |
| Published |
Japan Ergonomics Society
2006
|
| Online Access | Get full text |
| ISSN | 0549-4974 1884-2844 1884-2844 |
| DOI | 10.5100/jje.42.1 |
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| Abstract | This paper describes the effectiveness of armrests from the lower limb moment during the standing-up motion. Armrests are an important element in the standing-up motion from a chair in our daily life. To clarify the usability and the effectiveness of armrests is our purpose in this study. Chairs with/without armrests were examined in two ways as follows. Firstly, it was measured the locus of C. G. (center of gravity), velocities of the C. G., and the joint angles of subjects by using the image analysis. Secondly, it was calculated the lower limb moments (ankle, knee, hip) combining the motion analysis and the measured floor reaction forces. The result from the image analysis showed, it was clear that chairs with armrests make the amount of body flexion decrease during the standing-up motion. In addition to this result, the hip moment also decreased. Finally, it was found also that the knee moment decreases for chairs with armrests compared with chairs without armrests. |
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| AbstractList | This paper describes the effectiveness of armrests from the lower limb moment during the standing-up motion. Armrests are an important element in the standing-up motion from a chair in our daily life. To clarify the usability and the effectiveness of armrests is our purpose in this study. Chairs with/without armrests were examined in two ways as follows. Firstly, it was measured the locus of C. G. (center of gravity), velocities of the C. G., and the joint angles of subjects by using the image analysis. Secondly, it was calculated the lower limb moments (ankle, knee, hip) combining the motion analysis and the measured floor reaction forces. The result from the image analysis showed, it was clear that chairs with armrests make the amount of body flexion decrease during the standing-up motion. In addition to this result, the hip moment also decreased. Finally, it was found also that the knee moment decreases for chairs with armrests compared with chairs without armrests. |
| Author | NEMOTO, Kazuo OGAWA, Koichi |
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| References | 11) David A. Winter: BIOMECHANICS AND MOTOR CONTROL OF HUMAN MOVEMNET, 51-101, 1990. 2) 森明子, 江口淳子, 渡辺進: 椅子の高さの違いが起立・着座動作時における下肢筋に与える影響, 川崎医療福祉学会誌, 13 (1), 169-171, 2003. 5) 小島悟, 田中敏明, 橋本伸也, 武田秀勝: 力学モデルを用いた椅子からの立ち上がり動作分析 ―足部位置ならびに体幹前傾角度の影響―, 札幌医科大学保健医療学部紀要, 第2号, 25-31, 1999. 7) 木山良二, 前田哲男: 運動速度を変化させた場合の椅子からの立ち上がり動作の分析, 鹿児島大学医学部保健学科紀要 (11): 119-125, 2000. 12) 江原義弘, 山本澄子: 立ち上がり動作の分析, 52-55, 医歯薬出版会社, 2002. 8) 武田涼子, 山本澄子, 相馬俊雄, 大山峰生, 市江雅芳, 半田康延, 百瀬公人: 高齢者の立ち上がり制御 ―関節モーメントによる分析―, 第20回バイオメカニズム学術講演会, 790-795, 1990. 6) 小島悟, 田中敏明, 橋本伸也, 武田秀勝, 伊野秀一, 伊福部達: 椅子からの立ち上がり動作分析, 第19回バイオメカニズム学術講演会, 99-104, 1998. 3) 斯真田隆一, 小川鑛一: 着座動作に関する研究, 第22回バイオメカニズム学会学術講演集, 24A 1-4, 123-126, 2001. 10) 石田明允, 廣川俊二, 宮崎信次, 阿江通良, 林豊彦: 身体運動のバイオメカニクス Biomechanics of Human Movement, 132-139, コロナ社, 大日本印刷, 2002. 9) 岡田英孝, 阿江戸通良, 藤井範久, 森丘保典: 日本人高齢者の身体部分慣性特性, バイオメカニズム 13, 125-139, 1996. 1) 中島康弘, 安河内義明, 綿貫幸宏, 武田秀勝, 橋本伸也, 田中敏明, 小島悟, 武田涼子, 伊福部達, 伊野秀一, 敦賀健志: 日常生活動作時の生体工学的調査研究, 北海道立工業試験場報告 No. 296, 195-199, 1997. 4) 高野貴之, 小川鑛一: 椅子からの立ち上がり動作における運動解析, 第21回バイオメカニズム学術講演会, 309-312, 2000. 13) 内山靖, 小林武, 間瀬教史: 計測法入門, 184-188, (株) 共同医書出版, 2001. |
| References_xml | – reference: 7) 木山良二, 前田哲男: 運動速度を変化させた場合の椅子からの立ち上がり動作の分析, 鹿児島大学医学部保健学科紀要 (11): 119-125, 2000. – reference: 9) 岡田英孝, 阿江戸通良, 藤井範久, 森丘保典: 日本人高齢者の身体部分慣性特性, バイオメカニズム 13, 125-139, 1996. – reference: 10) 石田明允, 廣川俊二, 宮崎信次, 阿江通良, 林豊彦: 身体運動のバイオメカニクス Biomechanics of Human Movement, 132-139, コロナ社, 大日本印刷, 2002. – reference: 3) 斯真田隆一, 小川鑛一: 着座動作に関する研究, 第22回バイオメカニズム学会学術講演集, 24A 1-4, 123-126, 2001. – reference: 11) David A. Winter: BIOMECHANICS AND MOTOR CONTROL OF HUMAN MOVEMNET, 51-101, 1990. – reference: 2) 森明子, 江口淳子, 渡辺進: 椅子の高さの違いが起立・着座動作時における下肢筋に与える影響, 川崎医療福祉学会誌, 13 (1), 169-171, 2003. – reference: 12) 江原義弘, 山本澄子: 立ち上がり動作の分析, 52-55, 医歯薬出版会社, 2002. – reference: 1) 中島康弘, 安河内義明, 綿貫幸宏, 武田秀勝, 橋本伸也, 田中敏明, 小島悟, 武田涼子, 伊福部達, 伊野秀一, 敦賀健志: 日常生活動作時の生体工学的調査研究, 北海道立工業試験場報告 No. 296, 195-199, 1997. – reference: 6) 小島悟, 田中敏明, 橋本伸也, 武田秀勝, 伊野秀一, 伊福部達: 椅子からの立ち上がり動作分析, 第19回バイオメカニズム学術講演会, 99-104, 1998. – reference: 8) 武田涼子, 山本澄子, 相馬俊雄, 大山峰生, 市江雅芳, 半田康延, 百瀬公人: 高齢者の立ち上がり制御 ―関節モーメントによる分析―, 第20回バイオメカニズム学術講演会, 790-795, 1990. – reference: 5) 小島悟, 田中敏明, 橋本伸也, 武田秀勝: 力学モデルを用いた椅子からの立ち上がり動作分析 ―足部位置ならびに体幹前傾角度の影響―, 札幌医科大学保健医療学部紀要, 第2号, 25-31, 1999. – reference: 13) 内山靖, 小林武, 間瀬教史: 計測法入門, 184-188, (株) 共同医書出版, 2001. – reference: 4) 高野貴之, 小川鑛一: 椅子からの立ち上がり動作における運動解析, 第21回バイオメカニズム学術講演会, 309-312, 2000. |
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| Title | On the effectiveness of armrests for the standing-up motion |
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