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首页> 外文期刊>International journal of sports medicine >Association of Trunk Rotational Velocity with Spine Mobility and Curvatures in Para Table Tennis Players
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Association of Trunk Rotational Velocity with Spine Mobility and Curvatures in Para Table Tennis Players

机译:在乒乓球运动员中与脊柱移动性和曲率的躯干旋转速度协会

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摘要

This study investigates the relationship of trunk rotational velocity with mobility and curvature of the spine in wheelchair table tennis players. Eleven para table tennis players and 13 able-bodied athletes performed 5 seated trunk rotations to each side with 1 kg barbell placed on the shoulders. Trunk rotational velocity and respective angular displacement were significantly lower in para table tennis players compared to able-bodied athletes. Both groups showed similar values of thoracic kyphosis. However, para table tennis players exhibited lower lumbar inversion and pelvic retroversion compared to able-bodied athletes. Peak and mean velocity in the acceleration phase of trunk rotation correlated with angular displacement in both para table tennis players (r = 0.912, p = 0.001; r = 0.819, p = 0.013) and able-bodied athletes (r = 0.790, p = 0.026; r = 0.673, p = 0.032). These velocity values were also associated with lumbar curvature (r = -0.787, p = 0.003; r = -0.713, p = 0.009) and pelvic tilt angle (r = 0.694, p = 0.014; r = 0.746, p = 0.007) in para table tennis players. Findings indicate that slower velocity of trunk rotations in para table tennis players might be due to their limited range of trunk rotational motion. Decreased posterior concavity could also contribute to these lower values. However, other biomechanical factors may have an impact on the association between these variables and have yet to be documented.
机译:本研究调查了躯干旋转速度与轮椅乒乓球运动员脊柱的移动性和曲率的关系。 11栏乒乓球运动员和13名能够体育运动的运动员在肩部上的每一侧进行了5个坐断旋转,肩部1千克杠铃。与能够体育运动者相比,乒乓球运动员在乒乓球运动员中,躯干旋转速度和各个角位移显着降低。两组均显示出类似的胸腔脊柱病值。然而,与能够身体的运动员相比,乒乓球运动员表现出较低的腰部反转和骨盆反射率。峰值和平均速度在躯干旋转的加速阶段与帕拉台网球运动员的角位移相关(r = 0.912,p = 0.001; r = 0.819,p = 0.013)和能够身体运动员(r = 0.790,p = 0.026; r = 0.673,p = 0.032)。这些速度值也与腰部曲率(R = -0.787,P = 0.003; r = -0.713,p = 0.009)和盆腔倾斜角度(r = 0.694,p = 0.014; r = 0.746,p = 0.007) Para乒乓球运动员。调查结果表明,乒乓球运动员中的躯干旋转速度较慢可能是由于它们有限的躯干旋转运动。后凹陷下降也可能有助于这些较低的值。然而,其他生物力学因素可能对这些变量之间的关联产生影响,并且尚未记录。

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