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A non-invasive method of tendon force measurement

机译：肌腱力测量的非侵入性方法

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The ability to measure the forces exerted in vivo on tendons and, consequently, the forces produced by muscles on tendons, offers a unique opportunity to investigate questions in disciplines as varied as physiology, biomechanics, orthopaedics and neuroscience. Until now, tendon loads could be assessed directly only by means of invasive sensors implanted within or attached to these collagenous structures. This study shows that the forces acting on tendons can be measured, in a non-invasive way, from the analysis of the propagation of an acoustic wave. Using the equine superficial digital flexor tendon as a model, it is demonstrated that the velocity of an ultrasonic wave propagating along the main axis of a tendon increases with the force applied to this tendon. Furthermore, we show that this velocity measurement can be performed even in the presence of skin overlying the tendon. To validate this measurement technique in vivo, the ultrasonic velocity plots obtained in the Achilles tendon at the walk were compared to the loads plots reported by other authors using invasive transducers. (c) 2005 Elsevier Ltd. All rights reserved.
机译：测量体内施加在肌腱上的力的能力以及因此测量肌腱上的肌肉产生的力的能力提供了一个独特的机会来研究诸如生理学，生物力学，骨科学和神经科学等学科的问题。迄今为止，只能通过植入或附着在这些胶原结构中的侵入性传感器直接评估肌腱负荷。这项研究表明，可以通过对声波传播的分析以非侵入性的方式测量作用在肌腱上的力。使用马表浅指屈肌腱作为模型，可以证明沿肌腱主轴传播的超声波的速度随着施加到该肌腱上的力而增加。此外，我们表明，即使在肌腱上存在皮肤的情况下，也可以执行此速度测量。为了在体内验证这种测量技术，将步行时在跟腱中获得的超声速度图与其他作者使用侵入性换能器报告的载荷图进行了比较。 （c）2005 Elsevier Ltd.保留所有权利。

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