The gait deviation index: A new comprehensive index of gait pathology

Schwartz, Michael H.; Rozumalski, Adam

doi:10.1016/j.gaitpost.2008.05.001

Cited by 603 publications

(568 citation statements)

References 28 publications

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“…quantificar de maneira global a capacidade de deambulação do indivíduo (9) . Diversos trabalhos têm utilizado o GDI como ferramenta para avaliar os resultados das intervenções propostas, sejam elas medicamentosas ou cirúrgicas (18,19) .…”

Section: Resultsunclassified

“…O GDI é uma ferramenta desenvolvida, utilizando dados da análise computadorizada da marcha, para relação ao questionário de avaliação funcional (FAQ), escala de mobilidade funcional (FMS) em pacientes com paralisia cerebral (9) e mostrou-se um instrumento efetivo para mensuração da marcha daquela população. A utilização do GDI em pacientes com DMD foi relatada por Sienko et al (19) , que mostraram utilidade no método para diferenciar estágios da evolução da doença.…”

Section: Discussionunclassified

“…Entretanto, mesmo com a assistência da análise da marcha e a quantificação objetiva de mudanças, sejam elas decorrentes de intervenções ou da própria evolução do paciente, podem ser desafiadoras (8) . A utilização do ín-ín-ndice de alteração da marcha (gait deviation index) possibilita quantificar a qualidade global da marcha através de uma escala numérica (9) .…”

Section: Introductionunclassified

See 2 more Smart Citations

Avaliação de pacientes com distrofia muscular de Duchenne em laboratório computadorizado de marcha através do índice de alteração da marcha

Melanda¹,

Pauleto²,

Knaut³

et al. 2011

Rev. bras. ortop.

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Section: Resultsunclassified

Section: Discussionunclassified

Section: Introductionunclassified

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Avaliação de pacientes com distrofia muscular de Duchenne em laboratório computadorizado de marcha através do índice de alteração da marcha

Melanda¹,

Pauleto²,

Knaut³

et al. 2011

Rev. bras. ortop.

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“…The magnitude of the projection of an abnormal data set onto this space is used as a normality index, known as the Gillette Gait Index (GGI) [16]. A very similar PCA approach named the Gait Deviation Index (GDI) has been introduced by [17]. One advantage of PCA approaches is that they transform the possibly dependent gait variables into a new set of independent variables.…”

Section: Mocap Gait Analysismentioning

confidence: 99%

Assessment of Gait Symmetry and Gait Normality Using Inertial Sensors: In-Lab and In-Situ Evaluation

Sant'Anna

Wickström

Eklund

et al. 2013

Biomedical Engineering Systems and Technologies

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Abstract. Quantitative gait analysis is a powerful tool for the assessment of a number of physical and cognitive conditions. Unfortunately, the costs involved in providing in-lab 3D kinematic analysis to all patients is prohibitive. Inertial sensors such as accelerometers and gyroscopes may complement in-lab analysis by providing cheaper gait analysis systems that can be deployed anywhere. The present study investigates the use of inertial sensors to quantify gait symmetry and gait normality. The system was evaluated in-lab, against 3D kinematic measurements; and also in-situ, against clinical assessments of hip-replacement patients. Results show that the system not only correlates well with kinematic measurements but it also corroborates various quantitative and qualitative measures of recovery and health status of hip-replacement patients.

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“…Normal walking is very stereotyped in terms of joint functions, and several comprehensive indices have been designed to express the amount of aberrancy. [35][36][37] Using outcome parameters from 3D gait analysis, either comprehensive indices or specific joint functions, that express a shift towards normality as the effect of wearing an orthosis, can thus be regarded relevant to prove efficacy of orthotic interventions at the ICF level of body functions ( Figure 1b). …”

Section: Mechanical Evidencementioning

confidence: 99%

Studies Examining the Efficacy of Ankle Foot Orthoses should Report Activity Level and Mechanical Evidence

Harlaar

Brehm

Becher

et al. 2010

Prosthetics &Amp; Orthotics International

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Ankle Foot Orthoses (AFOs) to promote walking ability are a common treatment in patients with neurological or muscular diseases. However, guidelines on the prescription of AFOs are currently based on a low level of evidence regarding their efficacy. Recent studies aiming to demonstrate the efficacy of wearing an AFO in respect to walking ability are not always conclusive. In this paper it is argued to recognize two levels of evidence related to the ICF levels. Activity level evidence expresses the gain in walking ability for the patient, while mechanical evidence expresses the correct functioning of the AFO. Used in combination for the purpose of evaluating the efficacy of orthotic treatment, a conjunct improvement at both levels reinforces the treatment algorithm that is used. Conversely, conflicting outcomes will challenge current treatment algorithms and the supposed working mechanism of the AFO. A treatment algorithm must use relevant information as an input, derived from measurements with a high precision. Its result will be a specific AFO that matches the patient's needs, specified by the mechanical characterization of the AFO footwear combination. It is concluded that research on the efficacy of AFOs should use parameters from two levels of evidence, to prove the efficacy of a treatment algorithm, i.e., how to prescribe a well-matched AFO.

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The gait deviation index: A new comprehensive index of gait pathology

Cited by 603 publications

References 28 publications

Avaliação de pacientes com distrofia muscular de Duchenne em laboratório computadorizado de marcha através do índice de alteração da marcha

Avaliação de pacientes com distrofia muscular de Duchenne em laboratório computadorizado de marcha através do índice de alteração da marcha

Assessment of Gait Symmetry and Gait Normality Using Inertial Sensors: In-Lab and In-Situ Evaluation

Studies Examining the Efficacy of Ankle Foot Orthoses should Report Activity Level and Mechanical Evidence

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