Effect of Single-Leg Squat Speed and Depth on Dynamic Postural Control Under Single-Task and Dual-Task Paradigms.
J Appl Biomech
; 35(4): 272-279, 2019 08 01.
Article
em En
| MEDLINE
| ID: mdl-31034324
ABSTRACT
Although single-leg squats are a common dynamic balance clinical assessment, little is known about the relationship between parameters that influence squat movement and postural control performance. The objective of this study was to determine the relationships between squat parameters (speed and depth) and postural control under single task and dual task. A total of 30 healthy college students performed single-leg squats under single task and dual task with Stroop. Random-intercepts generalized linear mixed models determined the effect of squat parameters on center of pressure (CoP) parameters. For each 1-cm·s-1 increase in squat speed, sway range (mediolateral ß = -0.03; anteroposterior ß = -0.05) and area (ß = -0.25) decreased, whereas sway speed (mediolateral ß = 0.05; anteroposterior ß = 0.29; total ß = 0.29) increased. For each 1-cm increase in squat depth, sway range (mediolateral ß = 0.05; anteroposterior ß = 0.20) and area (ß = 0.72) increased, whereas sway speed (anteroposterior ß = -0.14; total ß = -0.14) decreased. Compared with single task, the association between total and anteroposterior sway speed and squat speed was stronger under dual task. Clinicians and researchers should consider monitoring squat speed and depth when assessing dynamic balance during single-leg squats, as these parameters influence postural control, especially under dual task.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Postura
/
Equilíbrio Postural
/
Movimento
Tipo de estudo:
Clinical_trials
/
Observational_studies
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Prevalence_studies
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Risk_factors_studies
Limite:
Adult
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Female
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Humans
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Male
Idioma:
En
Revista:
J Appl Biomech
Ano de publicação:
2019
Tipo de documento:
Article