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Journal of the Society of Biomechanisms最新文献

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Postural Control during Standing on An Unstable Board and the Weight of Somatosensory Inputs from Lower Extremities 站立在不稳定板上时的姿势控制和下肢体感输入的重量
Journal of the Society of Biomechanisms Pub Date : 2010-05-01 DOI: 10.3951/SOBIM.34.142
Atsushi Itaya, T. Kizuka
{"title":"Postural Control during Standing on An Unstable Board and the Weight of Somatosensory Inputs from Lower Extremities","authors":"Atsushi Itaya, T. Kizuka","doi":"10.3951/SOBIM.34.142","DOIUrl":"https://doi.org/10.3951/SOBIM.34.142","url":null,"abstract":"The purpose of this study was to investigate the effects of the weight of somatosensory inputs from lower extremities on postural control during standing on an unstable board. Ten healthy young males participated in this study, and they were divided equally into two groups based on their estimation of the weight of somatosensory cues from lower extremities. The subjects stood on the unstable board that has short support surface in anterior-posterior direction. Kinematics and ground reaction force data were collected, and coherence analysis was conducted between the leg and trunk angular displacement time series. The results showed that the subjects who weight somatosensory inputs have higher coherence and gain, and that indicated the coupled control between leg and trunk movements. On the other hand, the results of the subjects who less weight somatosensory cues showed that lower coherence and gain. The results indicated that movements of lower extremities and trunk were controlled independently, and that the subjects had relatively high weight of vestibular inputs. Thus, it was concluded that the control strategy during standing on the unstable board was influenced by the weight of somatosensory inputs from lower extremities.","PeriodicalId":192858,"journal":{"name":"Journal of the Society of Biomechanisms","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116931685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gait Event Analysis of Normal Gait by Using a Gyroscope Attached on the Foot for Simplified Gait Evaluation 用脚附陀螺仪分析正常步态的步态事件，简化步态评估
Journal of the Society of Biomechanisms Pub Date : 2010-02-01 DOI: 10.3951/SOBIM.34.63
Y. Minegishi, Takashi Watanabe, N. Furuse
{"title":"Gait Event Analysis of Normal Gait by Using a Gyroscope Attached on the Foot for Simplified Gait Evaluation","authors":"Y. Minegishi, Takashi Watanabe, N. Furuse","doi":"10.3951/SOBIM.34.63","DOIUrl":"https://doi.org/10.3951/SOBIM.34.63","url":null,"abstract":"In this study, we aimed to realize a simplified method of gait evaluation using a wearable sensor system intended to be used in motor function rehabilitation or daily exercise for healthcare. This paper focused on gait event analysis by using a single gyroscope attached on the instep. Characteristic points such as a turning value or a zero-crossing of the angular velocity waveform measured with the gyroscope were compared with the actual time points of gait events (heel off, toe off, heel contact and foot flat) detected by aluminum electrode sets for normal speed and slow speed walking of three healthy subjects. By using detection rules that could be applied to the offline processing, more than 90% of the gait events were detected within the difference in detection time of 50ms. For the normal speed walking, more than 90% of the gait events were detected within the difference of 42ms by detection rules both in offline and real time processing. These results showed that the characteristic points of the angular velocity waveform corresponded well to the four gait events, allowing to be detected by a single sensor.","PeriodicalId":192858,"journal":{"name":"Journal of the Society of Biomechanisms","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134180628","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Searching better parameters for predicting muscle forces by correlation coefficients with electromyogram 用肌电图的相关系数寻找更好的预测肌力的参数
Journal of the Society of Biomechanisms Pub Date : 2010-02-01 DOI: 10.3951/SOBIM.34.73
Yuya Tanaka, Y. Ehara, Katsuya Furukawa, Kazuki Mizusawa
{"title":"Searching better parameters for predicting muscle forces by correlation coefficients with electromyogram","authors":"Yuya Tanaka, Y. Ehara, Katsuya Furukawa, Kazuki Mizusawa","doi":"10.3951/SOBIM.34.73","DOIUrl":"https://doi.org/10.3951/SOBIM.34.73","url":null,"abstract":"Muscle forces can be predicted by an optimization method. Researchers use various parameters for this method. This means that the optimization method has not been established yet. The present paper examines how these parameters affect correlation coefficients between predicted muscle forces and electromyogram (EMG) to search a better combination of these parameters. The parameters investigated were (1) two moment-arms, (2) three kinds of denominators of objective function (methods to normalize predicted muscle forces), (3) five kinds of physical cross-sectional areas (PCSA) and (4) three kinds of muscle length and muscle fiber length. Three male subjects walked three times. The model we used had three joints and nine muscles of the lower leg in sagittal plane. Electrodes were placed on gluteus maximus, semitendinosus, rectus femoris, vastus medialis, gastrocnemius, soleus and tibial anterior muscle. Results showed that, in the best combination of the investigated parameters, the correlation coefficients between predicted muscle forces and EMG activities at six muscles except rectus femoris were 0.79 or more. In most cases, the coefficients at rectus femoris were 0.2 or less. Otherwise, the coefficients at rectus femoris were high (r=0.47 or 0.55), and the coefficients at hamstring and vasti muscles were lower.","PeriodicalId":192858,"journal":{"name":"Journal of the Society of Biomechanisms","volume":"306 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126204901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
特集「発声と音声認知のメカニズムの理解を目指して」に寄せて 我写了一篇题为《理解发声和声音认知的机制》的文章
Journal of the Society of Biomechanisms Pub Date : 2009-11-01 DOI: 10.3951/SOBIM.33.224
尾形 哲也
{"title":"特集「発声と音声認知のメカニズムの理解を目指して」に寄せて","authors":"尾形 哲也","doi":"10.3951/SOBIM.33.224","DOIUrl":"https://doi.org/10.3951/SOBIM.33.224","url":null,"abstract":"","PeriodicalId":192858,"journal":{"name":"Journal of the Society of Biomechanisms","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124741433","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanical Finder : イメージベースの骨強度評価ソフトウェア Mechanical Finder:基于图像的骨强度评估软件
Journal of the Society of Biomechanisms Pub Date : 2009-11-01 DOI: 10.3951/SOBIM.33.277
二郎 坂本, 大輔 田原, 英樹 村上, 範夫 川原, 多文 加畑, 十八 尾田, 勝郎 富田
{"title":"Mechanical Finder : イメージベースの骨強度評価ソフトウェア","authors":"二郎 坂本, 大輔 田原, 英樹 村上, 範夫 川原, 多文 加畑, 十八 尾田, 勝郎 富田","doi":"10.3951/SOBIM.33.277","DOIUrl":"https://doi.org/10.3951/SOBIM.33.277","url":null,"abstract":"","PeriodicalId":192858,"journal":{"name":"Journal of the Society of Biomechanisms","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133217953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SIMM, ARMO, AnyBodyによる動作解析 SIMM, ARMO, AnyBody的动作分析
Journal of the Society of Biomechanisms Pub Date : 2009-08-01 DOI: 10.3951/SOBIM.33.205
和徳 長谷
{"title":"SIMM, ARMO, AnyBodyによる動作解析","authors":"和徳 長谷","doi":"10.3951/SOBIM.33.205","DOIUrl":"https://doi.org/10.3951/SOBIM.33.205","url":null,"abstract":"","PeriodicalId":192858,"journal":{"name":"Journal of the Society of Biomechanisms","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131076990","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
「おもしろい」「楽しい」から始まる発達障害児リハビリテーション-作業療法の視点から- 从“有趣”和“快乐”开始的发育障碍儿童康复-从职业治疗的角度-
Journal of the Society of Biomechanisms Pub Date : 2009-05-01 DOI: 10.3951/SOBIM.33.129
祐子 伊藤, 田中 勇次郎
{"title":"「おもしろい」「楽しい」から始まる発達障害児リハビリテーション-作業療法の視点から-","authors":"祐子 伊藤, 田中 勇次郎","doi":"10.3951/SOBIM.33.129","DOIUrl":"https://doi.org/10.3951/SOBIM.33.129","url":null,"abstract":"","PeriodicalId":192858,"journal":{"name":"Journal of the Society of Biomechanisms","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116842483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
なぜ「興味」の要素がリハビリテーションに必要なのか : これからのバイオメカニズムに期待すること 为什么“兴趣”要素对康复是必要的:期待未来的生物机制
Journal of the Society of Biomechanisms Pub Date : 2009-05-01 DOI: 10.3951/SOBIM.33.103
薫 井上
{"title":"なぜ「興味」の要素がリハビリテーションに必要なのか : これからのバイオメカニズムに期待すること","authors":"薫 井上","doi":"10.3951/SOBIM.33.103","DOIUrl":"https://doi.org/10.3951/SOBIM.33.103","url":null,"abstract":"","PeriodicalId":192858,"journal":{"name":"Journal of the Society of Biomechanisms","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126320508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
“楽しい”から“すごい！”へ シミュレータ技術の医療福祉システムへの応用を目指して 从“开心”到“好棒!”在医疗福利系统中应用模拟器技术
Journal of the Society of Biomechanisms Pub Date : 2009-05-01 DOI: 10.3951/SOBIM.33.123
尚史 寺田
{"title":"“楽しい”から“すごい！”へ シミュレータ技術の医療福祉システムへの応用を目指して","authors":"尚史 寺田","doi":"10.3951/SOBIM.33.123","DOIUrl":"https://doi.org/10.3951/SOBIM.33.123","url":null,"abstract":"","PeriodicalId":192858,"journal":{"name":"Journal of the Society of Biomechanisms","volume":"150 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115594154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
子どもの転倒・転落事故被害予防のためのコンピュータ・シミュレーション 预防儿童跌倒、跌落事故的计算机模拟
Journal of the Society of Biomechanisms Pub Date : 2009-02-01 DOI: 10.3951/SOBIM.33.29
祐介 宮崎
{"title":"子どもの転倒・転落事故被害予防のためのコンピュータ・シミュレーション","authors":"祐介 宮崎","doi":"10.3951/SOBIM.33.29","DOIUrl":"https://doi.org/10.3951/SOBIM.33.29","url":null,"abstract":"子どもの転倒・転落事故に対する対策は，頻度，重症度の観点から非常に重要である．子どもの転倒・転落事故被害予防を検討する上で重要な点は，実事故に基づいた事故再現を行うことにより，徹底した事故原因究明を行うとともに，それに基づく的確かつ最小限の対策を講じることで，できるだけその環境を保全することである．また，実際に発生した事故は，氷山の一角に過ぎず，それ以外の致命的なハザードを発見し，除去することも必要である．これらの課題を解決する上で子どものデジタル・ヒューマンモデルを活用した事故再現シミュレーションが有効である．本稿では転倒・転落事故解析のための子どものデジタル・ヒューマンモデルの開発およびそれを活用した転倒・転落事故の事故原因究明と対策法の検討について実解析例を交えて紹介する．","PeriodicalId":192858,"journal":{"name":"Journal of the Society of Biomechanisms","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124003759","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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