Symmetry and limb dominance in able-bodied gait: a review

Sadeghi, Heydar; Allard, Paul; François, Patrice; Labelle, Hubert

doi:10.1016/s0966-6362(00)00070-9

Cited by 795 publications

(698 citation statements)

References 93 publications

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“…When we are blindfolded or have no orientation cues, we walk rather in circles than in straight lines even if we wanted to [4][5][6]. Interestingly, whether or not the turning direction is a function of differences in leg lengths has been debated for decades [4,5,[7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Walking in circles: a modelling approach

Maus

Seyfarth

2014

J. R. Soc. Interface.

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Blindfolded or disoriented people have the tendency to walk in circles rather than on a straight line even if they wanted to. Here, we use a minimalistic walking model to examine this phenomenon. The bipedal spring-loaded inverted pendulum exhibits asymptotically stable gaits with centre of mass (CoM) dynamics and ground reaction forces similar to human walking in the sagittal plane. We extend this model into three dimensions, and show that stable walking patterns persist if the leg is aligned with respect to the body (here: CoM velocity) instead of a world reference frame. Further, we demonstrate that asymmetric leg configurations, which are common in humans, will typically lead to walking in circles. The diameter of these circles depends strongly on parameter configuration, but is in line with empirical data from human walkers. Simulation results suggest that walking radius and especially direction of rotation are highly dependent on leg configuration and walking velocity, which explains inconsistent veering behaviour in repeated trials in human data. Finally, we discuss the relation between findings in the model and implications for human walking.

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Section: Introductionmentioning

confidence: 99%

Walking in circles: a modelling approach

Maus

Seyfarth

2014

J. R. Soc. Interface.

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“…Therefore, it is possible that these athletes have developed specific balance skills that differed between lower limbs. Several authors claim that the preferred leg is often that a person uses to control an object, or in the beginning of a movement, while the other leg is preferred to support the body or propel (Sadeghi, Allard, Prince, & Labelle, 2000). In our study, non-dominant leg is related to support the body allowing the contra-lateral limb to kick a ball, therefore it is expected better postural improvement in this limb when compared to the dominant limb.…”

Section: Resultsmentioning

confidence: 60%

Effects of a full season on stabilometric Parameters of team handball elite athletes

Marchetti

Orselli

Martins

et al. 2014

Motriz: rev. educ. fis.

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Abstract-It is unclear whether athletes change their postural control over the course of a full sport season, or become more asymmetrical with respect to their neuromuscular performance over the same period. The aim of this study was to investigate the effects of a full sport season on the postural control of team handball elite athletes. Ten healthy, elite male team handball players performed bipodal standing (BP) and right and left unipodal standing (UP) during 30s. We used the RMS and speed of the center of pressure to describe postural sway. For the BP task, the sway was lower at the end of the season (p<0.005). For the UP tasks, the sway was lower at the end of the season only for the non-dominant limb (p<0.001). Differences between limbs were observed only at the end of the season (p<0.03). In conclusion, a full team handball season did not lead to deterioration of the athletes' postural control, but by the end of the season, the athletes were more asymmetrical.Keywords: exercise performance, biomechanics, motor control, postural stability, stabilometry, physical performanceResumo-"Efeitos da temporada completa em parâmetros estabilométricos em atletas de handebol de elite." Não é claro na literatura científica se atletas mudam seu controle postural ao longo de uma temporada esportiva, ou mesmo se tornam mais assimétricos em relação ao seu desempenho neuromuscular durante o mesmo período. O objetivo deste estudo foi investigar os efeitos de uma temporada esportiva completa no controle postural de atletas de elite do handebol. Dez jogadores de elite de handebol, saudáveis, realizaram a tarefa de postura ereta quieta bipodal (BP) e unipodal direito e esquerdo durante 30 segundos. Foi utilizada a RMS e a velocidade do centro de pressão para descrever a oscilação postural. Para a tarefa de BP, a oscilação foi menor após a temporada esportiva (p < 0,005). Para as tarefas unipodais, a oscilação foi menor após temporada esportiva apenas para o membro não dominante (p < 0,001). Apenas após a temporada, foram observadas diferenças entre os membros (p < 0,03). Em conclusão, uma temporada esportiva para o handebol não levou à deterioração do controle postural dos atletas, entretanto no final da temporada, os atletas apresentaram-se mais assimétricos.Palavras-chave: desempenho do exercício, biomecânica, controle motor, estabilidade postural, desempenho físico Resumen-"Efectos de la temporada completa en parámetros estabilométricos en atletas de balonmano de élite." No está claro en la literatura científica si los atletas cambian su control postural a lo largo de una temporada deportiva o incluso si llegan a ser más asimétricas en relación con su rendimiento neuromuscular durante el mismo período. El objetivo de este estudio fue investigar los efectos de una temporada deportiva completa en control postural de deportistas de elite de balonmano. Diez jugadores de balonmano de élite, sanos, llevaron a cabo la tarea de la tranquilidad de la postura de pie bipodal (BP) y unipodal izquierda y derecha durante 30 segundos. RMS...

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“…[20], [21]. Although discrete symmetry indices have been shown useful, a more informative measure of symmetry may be obtained using the entire continuous sensor data.…”

Section: Instrumented 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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Symmetry and limb dominance in able-bodied gait: a review

Cited by 795 publications

References 93 publications

Walking in circles: a modelling approach

Walking in circles: a modelling approach

Effects of a full season on stabilometric Parameters of team handball elite athletes

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

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