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Article: A gait stability investigation into FES-assisted paraplegic walking based on the walker tipping index.

TitleA gait stability investigation into FES-assisted paraplegic walking based on the walker tipping index.
Authors
Issue Date2009
Citation
Journal Of Neural Engineering, 2009, v. 6 n. 6, p. 66007 How to Cite?
AbstractThe gait outcome measures used in clinical trials of paraplegic locomotor training determine the effectiveness of improved walking function assisted by the functional electrical stimulation (FES) system. Focused on kinematic, kinetic or physiological changes of paraplegic patients, traditional methods cannot quantify the walking stability or identify the unstable factors of gait in real time. Up until now, the published studies on dynamic gait stability for the effective use of FES have been limited. In this paper, the walker tipping index (WTI) was used to analyze and process gait stability in FES-assisted paraplegic walking. The main instrument was a specialized walker dynamometer system based on a multi-channel strain-gauge bridge network fixed on the frame of the walker. This system collected force information for the handle reaction vector between the patient's upper extremities and the walker during the walking process; the information was then converted into walker tipping index data, which is an evaluation indicator of the patient's walking stability. To demonstrate the potential usefulness of WTI in gait analysis, a preliminary clinical trial was conducted with seven paraplegic patients who were undergoing FES-assisted walking training and seven normal control subjects. The gait stability levels were quantified for these patients under different stimulation patterns and controls under normal walking with knee-immobilization through WTI analysis. The results showed that the walking stability in the FES-assisted paraplegic group was worse than that in the control subject group, with the primary concern being in the anterior-posterior plane. This new technique is practical for distinguishing useful gait information from the viewpoint of stability, and may be further applied in FES-assisted paraplegic walking rehabilitation.
Persistent Identifierhttp://hdl.handle.net/10722/170154
ISSN
2023 Impact Factor: 3.7
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorMing, Den_US
dc.contributor.authorBai, Yen_US
dc.contributor.authorLiu, Xen_US
dc.contributor.authorQi, Hen_US
dc.contributor.authorCheng, Len_US
dc.contributor.authorWan, Ben_US
dc.contributor.authorHu, Yen_US
dc.contributor.authorWong, Yen_US
dc.contributor.authorLuk, KDen_US
dc.contributor.authorLeong, JCen_US
dc.date.accessioned2012-10-30T06:05:40Z-
dc.date.available2012-10-30T06:05:40Z-
dc.date.issued2009en_US
dc.identifier.citationJournal Of Neural Engineering, 2009, v. 6 n. 6, p. 66007en_US
dc.identifier.issn1741-2552en_US
dc.identifier.urihttp://hdl.handle.net/10722/170154-
dc.description.abstractThe gait outcome measures used in clinical trials of paraplegic locomotor training determine the effectiveness of improved walking function assisted by the functional electrical stimulation (FES) system. Focused on kinematic, kinetic or physiological changes of paraplegic patients, traditional methods cannot quantify the walking stability or identify the unstable factors of gait in real time. Up until now, the published studies on dynamic gait stability for the effective use of FES have been limited. In this paper, the walker tipping index (WTI) was used to analyze and process gait stability in FES-assisted paraplegic walking. The main instrument was a specialized walker dynamometer system based on a multi-channel strain-gauge bridge network fixed on the frame of the walker. This system collected force information for the handle reaction vector between the patient's upper extremities and the walker during the walking process; the information was then converted into walker tipping index data, which is an evaluation indicator of the patient's walking stability. To demonstrate the potential usefulness of WTI in gait analysis, a preliminary clinical trial was conducted with seven paraplegic patients who were undergoing FES-assisted walking training and seven normal control subjects. The gait stability levels were quantified for these patients under different stimulation patterns and controls under normal walking with knee-immobilization through WTI analysis. The results showed that the walking stability in the FES-assisted paraplegic group was worse than that in the control subject group, with the primary concern being in the anterior-posterior plane. This new technique is practical for distinguishing useful gait information from the viewpoint of stability, and may be further applied in FES-assisted paraplegic walking rehabilitation.en_US
dc.languageengen_US
dc.relation.ispartofJournal of neural engineeringen_US
dc.subject.meshAdulten_US
dc.subject.meshAlgorithmsen_US
dc.subject.meshArm - Physiologyen_US
dc.subject.meshBiomechanicsen_US
dc.subject.meshDisability Evaluationen_US
dc.subject.meshElectric Stimulation Therapy - Methodsen_US
dc.subject.meshFemaleen_US
dc.subject.meshHumansen_US
dc.subject.meshMaleen_US
dc.subject.meshModels, Theoreticalen_US
dc.subject.meshParaplegia - Physiopathology - Therapyen_US
dc.subject.meshPilot Projectsen_US
dc.subject.meshPostural Balanceen_US
dc.subject.meshWalkersen_US
dc.subject.meshWalking - Physiologyen_US
dc.titleA gait stability investigation into FES-assisted paraplegic walking based on the walker tipping index.en_US
dc.typeArticleen_US
dc.identifier.emailLuk, KD:hcm21000@hku.hken_US
dc.identifier.authorityLuk, KD=rp00333en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1088/1741-2560/6/6/066007en_US
dc.identifier.pmid19918110-
dc.identifier.scopuseid_2-s2.0-75549087886en_US
dc.identifier.hkuros174071-
dc.identifier.volume6en_US
dc.identifier.issue6en_US
dc.identifier.spage66007en_US
dc.identifier.isiWOS:000272077900016-
dc.identifier.scopusauthoridMing, D=9745824400en_US
dc.identifier.scopusauthoridBai, Y=35108689200en_US
dc.identifier.scopusauthoridLiu, X=36858619400en_US
dc.identifier.scopusauthoridQi, H=7202348852en_US
dc.identifier.scopusauthoridCheng, L=35780976700en_US
dc.identifier.scopusauthoridWan, B=7102316798en_US
dc.identifier.scopusauthoridHu, Y=7407119766en_US
dc.identifier.scopusauthoridWong, Y=34882411200en_US
dc.identifier.scopusauthoridLuk, KD=7201921573en_US
dc.identifier.scopusauthoridLeong, JC=35560782200en_US
dc.identifier.citeulike6184453-
dc.identifier.issnl1741-2552-

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