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Oscillation of plantar pressure center in athletes and non-athletes with and without ankle sprains

机译:运动员踝关节扭伤和非踝关节扭伤的足底压力中心的振荡

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Objective To assess whether there is any difference in the oscillation of the plantar pressure center in single-leg stance between athletes and non-athletes with and without ankle sprains. Methods 54 volunteers performed four static assessments and one dynamic assessment while standing on one foot on a baropodometer, barefoot, for 10s in each test. The variables of area (cm 2 ), distance (cm), anteroposterior oscillation (cm), mediolateral oscillation (cm) and mean velocity (cm/s) were analyzed. The items “other symptoms” and “sports and recreation” of the subjective Foot and Ankle Outcome Score (FAOS) questionnaire were applied. For the statistical analysis, repeated-measurement ANOVA (ANOVA-MR), multivariate ANOVA (MANOVA), Tukey's post hoc test and partial eta squared were used. Results ANOVA-MR revealed differences regarding distance, with major effects for eyes ( p <0.001), knees ( p <0.001), group ( p <0.05) and the interaction between eyes and knees ( p <0.05); and regarding mean velocity with major effects for eyes ( p <0.001), knees ( p <0.001) ( p <0.05), group ( p <0.05) and the interaction between eyes and knees ( p <0.05). MANOVA revealed main group effects for distance ( p <0.05), anteroposterior oscillation ( p <0.05) and mean velocity ( p <0.05). In the FAOS questionnaire, there were no differences: “other symptoms”, p >0.05; and “sport and recreation”, p >0.05. Conclusion Athletes present higher mean velocity of oscillation of plantar pressure center and generally do not have differences in oscillation amplitude in the sagittal and coronal planes, in comparison with non-athletes.
机译:目的评估运动员和非运动员在踝关节扭伤和不扭伤的情况下,单腿姿势的足底压力中心摆动是否存在差异。方法54名志愿者在每次测试中赤脚站立在足部气压计上,进行了4次静态评估和1次动态评估。分析了面积(cm 2),距离(cm),前后振动(cm),中外侧振动(cm)和平均速度(cm / s)的变量。应用主观足踝结局评分(FAOS)调查表的“其他症状”和“运动与休闲”项目。为了进行统计分析,使用了重复测量的ANOVA(ANOVA-MR),多变量ANOVA(MANOVA),Tukey事后检验和偏η平方。结果方差分析表明,距离存在差异,对眼睛的主要影响(p <0.001),对膝盖的影响(p <0.001),组(p <0.05)和对眼睛和膝盖的相互作用(p <0.05);以及对眼睛有重大影响的平均速度(p <0.001),膝盖(p <0.001)(p <0.05),组(p <0.05)和眼睛与膝盖之间的相互作用(p <0.05)。 MANOVA揭示了距离(p <0.05),前后振动(p <0.05)和平均速度(p <0.05)的主要作用。在FAOS调查表中没有差异:“其他症状”,p> 0.05;和“体育和娱乐”,p> 0.05。结论与非运动员相比,运动员的足底压力中心平均摆动速度更高,并且在矢状和冠状面的摆动幅度通常没有差异。

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