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首页> 外文期刊>Gait & posture >Solutions for representing the whole-body centre of mass in side cutting manoeuvres based on data that is typically available for lower limb kinematics.
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Solutions for representing the whole-body centre of mass in side cutting manoeuvres based on data that is typically available for lower limb kinematics.

机译：基于通常可用于下肢运动学的数据，在侧面切割动作中表示全身重心的解决方案。

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摘要

While studying detailed lower limb mechanics of dynamic sports manoeuvres like side cutting it is often desirable but practically difficult to directly measure velocity profiles of the whole-body centre of mass (CoM). In the current study, representations of CoM, either based on a single marker placed on the pelvis or thorax, or based on segment kinematics of lower limbs with or without inclusion of trunk, were evaluated against whole-body CoM representation. Using the 95% limits of agreement method for comparison of two methods, strongest agreement was found between velocity of whole-body CoM and CoM representation based on lower limbs with the addition of the trunk. The CoM representation based on lower limbs only showed weaker agreement, but this representation was still markedly superior to single marker representations.
机译：在研究诸如侧切之类的动态运动动作的详细下肢力学时，通常很希望但实际上很难直接测量全身重心（CoM）的速度分布。在当前的研究中，根据全身CoM表示对CoM表示进行了评估，该CoM表示是基于放置在骨盆或胸部的单个标记，还是基于具有或不包括躯干的下肢的段运动学。使用协议的95％限制进行两种方法的比较，发现全身CoM的速度和基于下肢加躯干的CoM表示之间的最强一致性。基于下肢的CoM表示仅显示较弱的一致性，但此表示仍明显优于单个标记表示。

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