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Single leg balancing in ballet: Effects of shoe conditions and poses

机译：芭蕾舞中的单腿平衡：鞋子状况和姿势的影响

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The purpose of this study was to describe the effects of lower limb positioning and shoe conditions on stability levels of selected single leg ballet poses performed in demi-pointe position. Fourteen female non-professional ballet dancers (mean age of 18.4??2.8 years and mean body mass index of 21.5??2.8kg/m2) who had practiced ballet for at least seven years, without any musculoskeletal impairment volunteered to participate in this study. A capacitive pressure platform allowed for the assessment of center of pressure variables related to the execution of three single leg ballet poses in demi point?? position: attitude devant, attitude derri??re, and attitude a la second. Peak pressures, contact areas, COP oscillation areas, anterior-posterior and medio-lateral COP oscillations and velocities were compared between two shoe conditions (barefoot versus slippers) and among the different poses. Barefoot performances produced more stable poses with significantly higher plantar contact areas, smaller COP oscillation areas and smaller anterior-posterior COP oscillations. COP oscillation areas, anterior-posterior COP oscillations and medio-lateral COP velocities indicated that attitude a la second is the least challenging and attitude derri??re the most challenging pose. ? 2012 Elsevier B.V.
机译：这项研究的目的是描述下肢位置和鞋子状况对在半足姿势中选择的单腿芭蕾舞姿势的稳定性水平的影响。十四名练习芭蕾舞至少七年且没有任何肌肉骨骼损伤的女性非职业芭蕾舞演员（平均年龄为18.4 ?? 2.8岁，平均体重指数为21.5 ?? 2.8kg / m2）。 。电容式压力平台可用于评估与在半衰期中执行三个单腿芭蕾舞姿势有关的压力中心变量？位置：态度决定者，态度决定，态度决定性。比较了两种鞋子状况（赤脚与拖鞋）之间以及不同姿势下的峰值压力，接触面积，COP摆动面积，前后和中外侧COP摆动和速度。赤脚表演产生了更稳定的姿势，足底接触面积明显增加，COP振荡面积减小，前后COP振荡减小。 COP振荡区域，前后COP振荡和中外侧COP速度表明，一秒钟的姿势最具挑战性，而姿态derri ??是最具挑战性的姿势。 ？ 2012年Elsevier B.V.

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