不完全性脊髓损伤中意志性激活与肌肉特性的关系
The Relationship Between Volitional Activation and Muscle Properties in Incomplete Spinal Cord Injury.
作者信息
Jakubowski Kristen L, Smith Andrew C, Elliott James M, Lee Sabrina S M
机构信息
Department of Physical Therapy and Human Movement Sciences, Northwestern University, Chicago, Illinois.
School of Physical Therapy, Regis University, Denver, Colorado.
出版信息
Top Spinal Cord Inj Rehabil. 2018 Winter;24(1):1-5. doi: 10.1310/sci17-00007. Epub 2017 Sep 27.
Abstract
Following a motor incomplete spinal cord injury (iSCI), there is decreased volitional activation and changes in composition, architecture, and stiffness of affected muscles. We investigated the relationship between muscle properties and volitional activation. The relationship between central activation ratio (CAR), maximum volitional torque (MVT), and muscle properties was assessed in the gastrocnemius of 6 participants with iSCI. No significant relationship was found between CAR and muscle properties, while a significant relationship was found between CAR and MVT. Our findings suggest there may be no relationship between volitional activation and muscle; thus, certain patients with iSCI may benefit from therapies targeted at neural control.
摘要
在运动不完全性脊髓损伤（iSCI）后，受影响肌肉的自主激活减少，其组成、结构和僵硬度也会发生变化。我们研究了肌肉特性与自主激活之间的关系。在6名iSCI参与者的腓肠肌中评估了中枢激活率（CAR）、最大自主扭矩（MVT）与肌肉特性之间的关系。未发现CAR与肌肉特性之间存在显著关系，而CAR与MVT之间存在显著关系。我们的研究结果表明，自主激活与肌肉之间可能没有关系；因此，某些iSCI患者可能会从针对神经控制的治疗中受益。
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