Bilateral coordination of gait at self-selected and fast speed in patients with multiple sclerosis: a case-control study.

Correale, Luca; Montomoli, Cristina; Bergamaschi, Roberto; Ivaniski-Mello, André; Peyré‐Tartaruga, Leonardo Alexandre; Saute, Jonas Alex Morales

doi:10.1016/j.msard.2022.104027

Cited by 2 publications

(6 citation statements)

References 27 publications

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“…The relative magnitude of the mechanical energy curves can be verified by the ratio between forward ( W f ) and vertical ( W v ) mechanical work (Cavagna & Legramandi, 2020 ; Cavagna et al., 1983 ). The synchronization of timing and the magnitude of the pendulum‐like mechanism may be related to right–left stepping or bilateral coordination, as already observed indirectly in multiple sclerosis (Correale et al., 2022 ).…”

Section: Introductionsupporting

confidence: 53%

“…Although bilateral coordination was not different between the groups, the left–right step coordination was greatly influenced by speed. Obese and non‐obese children when walking at low speeds show impaired bilateral coordination with values even worse than subjects with balance impairment such as people with Parkinson's disease (Plotnik et al., 2007 ) and with multiple sclerosis (Correale et al., 2022 ; Plotnik et al., 2020 ). These are important findings given that obese children have a reduced effectiveness of mechanisms responsible for postural and movement control (Boucher et al., 2015 ) regardless of the bilateral coordination of gait.…”

Section: Discussionmentioning

confidence: 99%

“…The coordination between lower limbs was measured with the PCI (Correale et al., 2022; Plotnik et al., 2007) using the step time and stride time. First, the φ value (in °) was calculated (Equation ) for each gait cycle i :

\begin{equation}{{\varphi }}\left( i \right) = \frac{{{\mathrm{Step\ time\ }}\left( {{\mathrm{LL}}_{{\mathrm{short}} - {\mathrm{swing}}}} \right)}}{{{\mathrm{Stride\ time\ }}\left( {{\mathrm{LL}}_{{\mathrm{long}} - {\mathrm{swing}}}} \right)}}\ \times 360^\circ \end{equation}

…”

Section: Methodsmentioning

confidence: 99%

“…The coordination between lower limbs was measured with the PCI (Correale et al., 2022 ; Plotnik et al., 2007 ) using the step time and stride time. First, the φ value (in °) was calculated (Equation 4 ) for each gait cycle i :

…”

Section: Methodsmentioning

confidence: 99%

“…The MPEEu is based on the variation of the total mechanical energy of the body CoM during the contact phase, and it assess the mechanical energy absorbed during the single support phase and the energy released during the double contact phase (Menéndez et al., 2019 ). As this elastic energy usage is related to the temporal organization from the stride cycle, it may be that the coordination between lower limbs – assessed by the phase coordinative index (PCI) (Correale et al., 2022 ; Plotnik et al., 2007 ) – can influence on the usage of this stretch–shortening cycle.…”

Section: Introductionmentioning

confidence: 99%

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Pendular mechanism determinants and elastic energy usage during walking of obese and non‐obese children

Peyré‐Tartaruga,

Oliveira,

Dewolf

et al. 2023

Experimental Physiology

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The mechanical and metabolic responses of walking by obese children are not yet well understood. The objectives of this study were (1) to compare the pendular mechanism (recovery, phase shift by α and β values, and ratio between forward and vertical mechanical work), the maximum possible elastic energy usage and the bilateral coordination during walking between non‐obese and obese children, and (2) to verify if the bilateral coordination could contribute to understanding the pendular mechanism and elastic energy usage in these populations. Nine obese (six female, 8.7 ± 0.5 years, 1.38 ± 0.04 m, 44.4 ± 6.3 kg and 24.1 ± 3.50 kg/m2) and eight non‐obese (four female, 7.4 ± 0.5 years, 1.31 ± 0.08 m, 26.6 ± 2.1 kg and 16.4 ± 1.40 kg/m2) children were analysed during walking on a treadmill at five speeds: 1, 2, 3, 4 and 5 km/h. The results indicated that although the mechanical energy response of the centre of mass during walking is similar between obese and non‐obese children, the obese children showed a lower pendulum‐like mechanism and greater elastic energy usage during level walking. Therefore, obese children seem to use more elastic energy during walking compared to non‐obese children, which may be related to their apparent higher positive work production during the double support phase. Finally, bilateral coordination presented high values at slow speeds in both groups and requires further attention due to its association with falls.New Findings What is the central question of this study? Are there any differences of the pendular and elastic mechanisms and bilateral coordination during walking between non‐obese and obese children? What is the main finding and its importance? To our knowledge, this study is the first to analyse the mechanical energy usage and the bilateral coordination of obese and non‐obese children during walking. Obese children had a lower pendular recovery mechanism and used more elastic energy compared to non‐obese children. The bilateral coordination was higher at slow speeds in both groups and requires further attention due to its association with falls.

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Section: Introductionsupporting

confidence: 53%

Section: Discussionmentioning

confidence: 99%

\begin{equation}{{\varphi }}\left( i \right) = \frac{{{\mathrm{Step\ time\ }}\left( {{\mathrm{LL}}_{{\mathrm{short}} - {\mathrm{swing}}}} \right)}}{{{\mathrm{Stride\ time\ }}\left( {{\mathrm{LL}}_{{\mathrm{long}} - {\mathrm{swing}}}} \right)}}\ \times 360^\circ \end{equation}

…”

Section: Methodsmentioning

confidence: 99%

“…The coordination between lower limbs was measured with the PCI (Correale et al., 2022 ; Plotnik et al., 2007 ) using the step time and stride time. First, the φ value (in °) was calculated (Equation 4 ) for each gait cycle i :

…”

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Pendular mechanism determinants and elastic energy usage during walking of obese and non‐obese children

Peyré‐Tartaruga,

Oliveira,

Dewolf

et al. 2023

Experimental Physiology

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Postural adjustments and perceptual responses of Nordic running: concurrent effects of poles and irregular terrain

Ivaniski-Mello,

Cubillos-Arcila,

Dell’Anna

et al. 2024

Eur J Appl Physiol

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Purpose In the natural environment, humans must continuously negotiate irregular and unpredictable terrain. Recently, the poles have been extensively used during trial running events. However, we know little about how humans adjust posture and bilateral coordination to use poles in irregular terrain. Here, we compared kinematics, bilateral coordination and perceptual responses between regular (compact dust) and irregular terrain (medium-length grass) during running at preferred speed with and without poles. Methods In this transversal observational study, thirteen young healthy adults (8 men; mean ± SD; age 29.1 ± 8.0 years, body mass 76.8 ± 11.4 kg; height 1.75 ± 0.08 m) were evaluated during running at a self-selected comfortable speed with and without poles on regular and irregular terrains. Results Our results show that, despite more flexed pattern on lower-limb joints at irregular terrain, the usage of poles was not enough to re-stabilize the bilateral coordination. Also, the perceived exertion was impaired adding poles to running, probably due to more complex movement pattern using poles in comparison to free running, and the invariance in the bilateral coordination. Conclusion Besides the invariability of usage poles on bilateral coordination and lower-limb kinematics, the runners seem to prioritize postural stability over lower limb stiffness when running in medium-length grass given the larger range of ankle and knee motion observed in irregular terrain. Further investigations at rougher/hilly terrains will likely provide additional insights into the neuromotor control strategies used to maintain the stability and on perceptual responses using poles during running.

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Bilateral coordination of gait at self-selected and fast speed in patients with multiple sclerosis: a case-control study.

Cited by 2 publications

References 27 publications

Pendular mechanism determinants and elastic energy usage during walking of obese and non‐obese children

Pendular mechanism determinants and elastic energy usage during walking of obese and non‐obese children

Postural adjustments and perceptual responses of Nordic running: concurrent effects of poles and irregular terrain

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