Publication

Minimal effects of age and prolonged physical and mental exercise on healthy adults' gait

Santos, P. C. R. D., Hortobágyi, T., Zijdewind, I., Bucken Gobbi, L. T., Barbieri, F. A. & Lamoth, C., Oct-2019, In : Gait & Posture. 74, p. 205-211 7 p.

Research output: Contribution to journalArticleAcademicpeer-review

APA

Santos, P. C. R. D., Hortobágyi, T., Zijdewind, I., Bucken Gobbi, L. T., Barbieri, F. A., & Lamoth, C. (2019). Minimal effects of age and prolonged physical and mental exercise on healthy adults' gait. Gait & Posture, 74, 205-211. https://doi.org/10.1016/j.gaitpost.2019.09.017

Author

Santos, Paulo Cezar Rocha Dos ; Hortobágyi, Tibor ; Zijdewind, Inge ; Bucken Gobbi, Lilian Teresa ; Barbieri, Fabio Augusto ; Lamoth, Claudine. / Minimal effects of age and prolonged physical and mental exercise on healthy adults' gait. In: Gait & Posture. 2019 ; Vol. 74. pp. 205-211.

Harvard

Santos, PCRD, Hortobágyi, T, Zijdewind, I, Bucken Gobbi, LT, Barbieri, FA & Lamoth, C 2019, 'Minimal effects of age and prolonged physical and mental exercise on healthy adults' gait', Gait & Posture, vol. 74, pp. 205-211. https://doi.org/10.1016/j.gaitpost.2019.09.017

Standard

Minimal effects of age and prolonged physical and mental exercise on healthy adults' gait. / Santos, Paulo Cezar Rocha Dos; Hortobágyi, Tibor; Zijdewind, Inge; Bucken Gobbi, Lilian Teresa; Barbieri, Fabio Augusto; Lamoth, Claudine.

In: Gait & Posture, Vol. 74, 10.2019, p. 205-211.

Research output: Contribution to journalArticleAcademicpeer-review

Vancouver

Santos PCRD, Hortobágyi T, Zijdewind I, Bucken Gobbi LT, Barbieri FA, Lamoth C. Minimal effects of age and prolonged physical and mental exercise on healthy adults' gait. Gait & Posture. 2019 Oct;74:205-211. https://doi.org/10.1016/j.gaitpost.2019.09.017


BibTeX

@article{41efcf443e984aa1a25158fd307c22c9,
title = "Minimal effects of age and prolonged physical and mental exercise on healthy adults' gait",
abstract = "BACKGROUND: Gait adaptability in old age can be examined by responses to various perturbations. Fatigability due to mental or muscle exercises can perturb internal cognitive and muscle resources, necessitating adaptations in gait.RESEARCH QUESTION: What are the effects of age and mental and muscle fatigability on stride outcomes and gait variability?METHODS: Twelve older (66-75yrs) and twelve young (20-25 yrs) adults walked at 1.2 m/s before and after two fatigue conditions in two separate sessions. Fatigue conditions were induced by repetitive sit-to-stand task (RSTS) and by 30-min of mental tasks and randomized between days (about a week apart). We calculated the average and coefficient of variation of stride length, width, single support, swing time and cadence, and the detrended fluctuations analysis (DFA) based on 120 strides time intervals. We also calculated multi-scale sample entropy (MSE) and the maximal Lyapunov exponent (λmax) of mediolateral (ML) and anteroposterior (AP) of the Center of Pressure (CoP) trajectories.RESULTS: In both age groups, RSTS modestly affected stride length, single support time, cadence, and CV of stride length (p ≤ 0.05), while the mental task did not affect gait. After fatigability, λmax - ML increased (p ≤ 0.05), independent of fatigue condition. All observed effects were small (η²: 0.001 to 0.02).SIGNIFICANCE: Muscle and mental fatigability had minimal effects on gait in young and healthy older adults possibly because treadmill walking makes gait uniform. It is still possible that age-dependent muscle activation underlies the uniform gait on the treadmill. Age- and fatigability effects might be more overt during real life compared with treadmill walking, creating a more effective model for examining gait and age adaptability to fatigability perturbations.",
author = "Santos, {Paulo Cezar Rocha Dos} and Tibor Hortob{\'a}gyi and Inge Zijdewind and {Bucken Gobbi}, {Lilian Teresa} and Barbieri, {Fabio Augusto} and Claudine Lamoth",
note = "Copyright {\circledC} 2019 Elsevier B.V. All rights reserved.",
year = "2019",
month = "10",
doi = "10.1016/j.gaitpost.2019.09.017",
language = "English",
volume = "74",
pages = "205--211",
journal = "Gait & Posture",
issn = "0966-6362",
publisher = "ELSEVIER IRELAND LTD",

}

RIS

TY - JOUR

T1 - Minimal effects of age and prolonged physical and mental exercise on healthy adults' gait

AU - Santos, Paulo Cezar Rocha Dos

AU - Hortobágyi, Tibor

AU - Zijdewind, Inge

AU - Bucken Gobbi, Lilian Teresa

AU - Barbieri, Fabio Augusto

AU - Lamoth, Claudine

N1 - Copyright © 2019 Elsevier B.V. All rights reserved.

PY - 2019/10

Y1 - 2019/10

N2 - BACKGROUND: Gait adaptability in old age can be examined by responses to various perturbations. Fatigability due to mental or muscle exercises can perturb internal cognitive and muscle resources, necessitating adaptations in gait.RESEARCH QUESTION: What are the effects of age and mental and muscle fatigability on stride outcomes and gait variability?METHODS: Twelve older (66-75yrs) and twelve young (20-25 yrs) adults walked at 1.2 m/s before and after two fatigue conditions in two separate sessions. Fatigue conditions were induced by repetitive sit-to-stand task (RSTS) and by 30-min of mental tasks and randomized between days (about a week apart). We calculated the average and coefficient of variation of stride length, width, single support, swing time and cadence, and the detrended fluctuations analysis (DFA) based on 120 strides time intervals. We also calculated multi-scale sample entropy (MSE) and the maximal Lyapunov exponent (λmax) of mediolateral (ML) and anteroposterior (AP) of the Center of Pressure (CoP) trajectories.RESULTS: In both age groups, RSTS modestly affected stride length, single support time, cadence, and CV of stride length (p ≤ 0.05), while the mental task did not affect gait. After fatigability, λmax - ML increased (p ≤ 0.05), independent of fatigue condition. All observed effects were small (η²: 0.001 to 0.02).SIGNIFICANCE: Muscle and mental fatigability had minimal effects on gait in young and healthy older adults possibly because treadmill walking makes gait uniform. It is still possible that age-dependent muscle activation underlies the uniform gait on the treadmill. Age- and fatigability effects might be more overt during real life compared with treadmill walking, creating a more effective model for examining gait and age adaptability to fatigability perturbations.

AB - BACKGROUND: Gait adaptability in old age can be examined by responses to various perturbations. Fatigability due to mental or muscle exercises can perturb internal cognitive and muscle resources, necessitating adaptations in gait.RESEARCH QUESTION: What are the effects of age and mental and muscle fatigability on stride outcomes and gait variability?METHODS: Twelve older (66-75yrs) and twelve young (20-25 yrs) adults walked at 1.2 m/s before and after two fatigue conditions in two separate sessions. Fatigue conditions were induced by repetitive sit-to-stand task (RSTS) and by 30-min of mental tasks and randomized between days (about a week apart). We calculated the average and coefficient of variation of stride length, width, single support, swing time and cadence, and the detrended fluctuations analysis (DFA) based on 120 strides time intervals. We also calculated multi-scale sample entropy (MSE) and the maximal Lyapunov exponent (λmax) of mediolateral (ML) and anteroposterior (AP) of the Center of Pressure (CoP) trajectories.RESULTS: In both age groups, RSTS modestly affected stride length, single support time, cadence, and CV of stride length (p ≤ 0.05), while the mental task did not affect gait. After fatigability, λmax - ML increased (p ≤ 0.05), independent of fatigue condition. All observed effects were small (η²: 0.001 to 0.02).SIGNIFICANCE: Muscle and mental fatigability had minimal effects on gait in young and healthy older adults possibly because treadmill walking makes gait uniform. It is still possible that age-dependent muscle activation underlies the uniform gait on the treadmill. Age- and fatigability effects might be more overt during real life compared with treadmill walking, creating a more effective model for examining gait and age adaptability to fatigability perturbations.

U2 - 10.1016/j.gaitpost.2019.09.017

DO - 10.1016/j.gaitpost.2019.09.017

M3 - Article

VL - 74

SP - 205

EP - 211

JO - Gait & Posture

JF - Gait & Posture

SN - 0966-6362

ER -

ID: 98535773