Age-related gait adaptations of ground reaction forces
Research on Biomedical Engineering(2023)
摘要
Purpose The purpose of this study was to compare gait ground reaction forces (GRF) between children, adults, and older adults. Methods Twenty-five children (6.13 ± 1.86 years), 30 adults (34.37 ± 5.67 years), and 33 older adults (70.45 ± 6.92 years) walked on force platforms. Velocity, GRF, and impulses were calculated. Results Gait velocity was higher in children compared to older adults ( p = 0.031). Gait velocity had an inverse effect in GRF parameters across all groups. The vertical peak of force appeared at 22% of the gait cycle in children, at 27.3% in adults, and at 25.7% in older adults. The anterior–posterior force peak appeared at 14.8% of the gait cycle in children, at 17.1% in adults, and at 16.5% in older adults. Ground reaction forces were higher in children ( p < 0.05) and similar between adults and older adults ( p > 0.05). Gait speed was higher in children compared to older adults, only ( p = 0.031). Conclusions Gait ground reaction forces and impulses were higher in children and similar between adults and older adults walking at a self-selected velocity.
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关键词
Aging,Walk,Biomechanics,Impulse,Kinetics
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