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Article: 3-D center of gravity mapping: a new method for assessment of FES assisted paraplegic walking efficiency

Title3-D center of gravity mapping: a new method for assessment of FES assisted paraplegic walking efficiency
評估功能性電刺激治療截癱患者行走效率的三維重心動態圖
Authors
KeywordsFunctional electrical stimulation (功能性電刺激)
Paraplegic (截癱)
3-D CG motion map (三維重心動態圖)
Walker (步行器)
Upper body mechanical model (上軀干力學模型)
Issue Date2004
PublisherHua Zhong Ke Ji Da Xue Tong Ji Yi Xue Yuan Fu Shu Tong Ji Yi Yuan (華中科技大学同濟醫學院附屬同濟醫院). The Journal's web site is located at www.cjpmr.cn
Citation
Chinese Journal of Physical Medicine and Rehabilitation, 2004, v. 26 n. 8, p. 466-471 How to Cite?
中華物理醫學與康復雜志, 2004, v. 26 n. 8, p. 466-471 How to Cite?
AbstractObjective To explore a new method for assessing the walking efficiency of the paraplegic patients assisted by functional electrical stimulation (FES). Methods The measurement system based on a standard walker was developed. During FES assisted walking of the paraplegic, the real time of the upper limb support were obtained and transformed into a 3 D center of gravity (CG) motion map with a paraplegic upper body mechanical model to describe the CG motion locus. Then the FES efficiency indicated by walking balance condition was assessed objectively and quantitatively. Results In this design, the pilot study of a paraplegic patient undergoing walking training with FES showed that the force accuracy was better than 1.01%, nonlinearity was less than 0.8%, and crosstalk was less than 3.2%. Conclusion The results showed that this system may be used as 1) an evaluation index of FES assisted paraplegic walking efficiency, 2) a balance control indicator during FES assisted paraplegic walking training and 3) a feed back signal to choose an efficient FES pattern and sequence. 還原 目的 研究功能性電刺激 (functionalelectricalstimulation ,FES)治療截癱患者行走效率的評估方法。方法 介紹一種用三維重心動態圖來評估FES治療截癱患者行走效率的新方法。其主要構件是一套基于標準步行器的測試系統 ,該系統可以實時獲得上肢支撐力數據 ,通過一套截癱上軀干力學模型轉化為三維重心動態圖來顯示重心運動軌跡 ,從而客觀定量地評估出用身體平衡狀況表征的FES行走效率。結果 靜態標定顯示系統測試精確度好于 1.0 1% ,非線性度小于 0 .8% ,交互干擾小于 3 .2 %。相關測試結果來自正在接受FES行走訓練的截癱患者。結論 初步表明該方法可以用于 :(1)FES治療截癱患者行走效率的評估 ;(2 )患者自我訓練的平衡控制指導 ;(3 )作為反饋信號選擇一種有效的FES模式和陣列 ,同時也證實新方法在行走能力評估方面有很好的臨床應用前景
Persistent Identifierhttp://hdl.handle.net/10722/79663
ISSN

 

DC FieldValueLanguage
dc.contributor.authorMing, D-
dc.contributor.authorWan, BK-
dc.contributor.authorHu, Y-
dc.contributor.authorLiang, ZR-
dc.date.accessioned2010-09-06T07:57:11Z-
dc.date.available2010-09-06T07:57:11Z-
dc.date.issued2004-
dc.identifier.citationChinese Journal of Physical Medicine and Rehabilitation, 2004, v. 26 n. 8, p. 466-471-
dc.identifier.citation中華物理醫學與康復雜志, 2004, v. 26 n. 8, p. 466-471-
dc.identifier.issn0254-1424-
dc.identifier.urihttp://hdl.handle.net/10722/79663-
dc.description.abstractObjective To explore a new method for assessing the walking efficiency of the paraplegic patients assisted by functional electrical stimulation (FES). Methods The measurement system based on a standard walker was developed. During FES assisted walking of the paraplegic, the real time of the upper limb support were obtained and transformed into a 3 D center of gravity (CG) motion map with a paraplegic upper body mechanical model to describe the CG motion locus. Then the FES efficiency indicated by walking balance condition was assessed objectively and quantitatively. Results In this design, the pilot study of a paraplegic patient undergoing walking training with FES showed that the force accuracy was better than 1.01%, nonlinearity was less than 0.8%, and crosstalk was less than 3.2%. Conclusion The results showed that this system may be used as 1) an evaluation index of FES assisted paraplegic walking efficiency, 2) a balance control indicator during FES assisted paraplegic walking training and 3) a feed back signal to choose an efficient FES pattern and sequence. 還原 目的 研究功能性電刺激 (functionalelectricalstimulation ,FES)治療截癱患者行走效率的評估方法。方法 介紹一種用三維重心動態圖來評估FES治療截癱患者行走效率的新方法。其主要構件是一套基于標準步行器的測試系統 ,該系統可以實時獲得上肢支撐力數據 ,通過一套截癱上軀干力學模型轉化為三維重心動態圖來顯示重心運動軌跡 ,從而客觀定量地評估出用身體平衡狀況表征的FES行走效率。結果 靜態標定顯示系統測試精確度好于 1.0 1% ,非線性度小于 0 .8% ,交互干擾小于 3 .2 %。相關測試結果來自正在接受FES行走訓練的截癱患者。結論 初步表明該方法可以用于 :(1)FES治療截癱患者行走效率的評估 ;(2 )患者自我訓練的平衡控制指導 ;(3 )作為反饋信號選擇一種有效的FES模式和陣列 ,同時也證實新方法在行走能力評估方面有很好的臨床應用前景-
dc.languagechi-
dc.publisherHua Zhong Ke Ji Da Xue Tong Ji Yi Xue Yuan Fu Shu Tong Ji Yi Yuan (華中科技大学同濟醫學院附屬同濟醫院). The Journal's web site is located at www.cjpmr.cn-
dc.relation.ispartofChinese Journal of Physical Medicine and Rehabilitation-
dc.relation.ispartof中華物理醫學與康復雜志-
dc.subjectFunctional electrical stimulation (功能性電刺激)-
dc.subjectParaplegic (截癱)-
dc.subject3-D CG motion map (三維重心動態圖)-
dc.subjectWalker (步行器)-
dc.subjectUpper body mechanical model (上軀干力學模型)-
dc.title3-D center of gravity mapping: a new method for assessment of FES assisted paraplegic walking efficiency-
dc.title評估功能性電刺激治療截癱患者行走效率的三維重心動態圖-
dc.typeArticle-
dc.identifier.emailHu, Y: yhud@hkucc.hku.hk-
dc.identifier.emailLiang, ZR: hrmolcy@hkucc.hku.hk-
dc.identifier.authorityHu, Y=rp00432en_HK
dc.identifier.hkuros104384-
dc.identifier.volume26-
dc.identifier.issue8-
dc.identifier.spage466-
dc.identifier.epage471-
dc.publisher.placeChina (中國)-

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