Effects of Varying Overground Walking Speeds on Lower-Extremity Muscle Synergies in Healthy Individuals.
Motor Control
; 25(2): 234-251, 2021 Jan 27.
Article
en En
| MEDLINE
| ID: mdl-33503586
The effects of walking speeds on lower-extremity muscle synergies (MSs) were investigated among 20 adults who walked 20 m at SLOW (0.6 ± 0.2 m/s), natural (NAT; 1.4 ± 0.1 m/s), and FAST (1.9 ± 0.1 m/s) speeds. Surface electromyography of eight lower-extremity muscles was recorded before extracting MSs using a nonnegative matrix factorization algorithm. Increasing walking speed tended to merge MSs associated with weight acceptance and limb deceleration, whereas reducing walking speed does not change the number and composition of MSs. Varying gait speed, particularly decreasing speed, may represent a gait training strategy needing additional attention given its effects on MSs.
Palabras clave
Texto completo:
1
Banco de datos:
MEDLINE
Asunto principal:
Fenómenos Biomecánicos
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Extremidad Inferior
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Velocidad al Caminar
Límite:
Adolescent
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Adult
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Female
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Humans
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Male
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Middle aged
Idioma:
En
Revista:
Motor Control
Asunto de la revista:
NEUROLOGIA
/
PSICOFISIOLOGIA
Año:
2021
Tipo del documento:
Article