Lower Extremity Joint Kinematics of Shod, Barefoot, and Simulated Barefoot Treadmill Running.
作者： Michele LeBlanc , Heidi E. Ferkranus
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摘要: Barefoot running is considered to decrease injury risk, but not always practical, particularly while on a fitness center treadmill. The purpose of this study was compare the kinematics shod, barefoot, and simulated barefoot running. Twelve subjects (age = 21.1 ± 1.2 years) who regularly run treadmill for participated in study. After warm up, each runner ran Biodex RTM 400 set at 7.4 mph (approximately 3.3 m/s) their own shoes, "like they were barefoot" shoes. Sixteen reflective markers affixed subject use PlugInGait (Vicon) determine three-dimensional body landmark coordinates compute lower extremity joint angles. Values touchdown during stance averaged over ten strides analysis. Repeated measures ANOVA implemented differences based condition (p < 0.05) post hoc testing performed with an adjustment multiple comparisons (p<0.05/3). At touchdown, ankle angle values significantly differed (6.2 5.9° vs. -4.0 12.0° vs, -0.2 13.3°; p 0.004 running, respectively) indicating that when simulating altered foot strike pattern. Stride frequency between shod (1.415±0.068 Hz 1.457±0.065 Hz; 0.001) did differ from condition. runners able simulate important element completely mimic
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