Taniguchi R, Nakamura R, Yokochi F, Narabayashi H
Appl Neurophysiol. 1980;43(1-2):40-7. doi: 10.1159/000102232.
Postural dependence of electromyographic reaction time (EMG-RT) of triceps brachii in normal subjects was examined at neutral (N) and facilitating (F) positions. EMG-RT was faster at F than at N; moreover, the slower one's EMG-RT, the larger the difference of EMG-RTs. F position of arms causes the shifting of EMG-RT through two biasing systems. The action of one system arises from either arm and acts on both arms, as the facilitation and its intensity depend on one's EMG-RT. The other system arises from one arm, and facilitates the ipsilateral arm but inhibits the contralateral arm; its intensity is independent of one's EMG-RT. The amount of the shift is determined by the added contribution of those two actions.
在中立（N）位和易化（F）位检查了正常受试者肱三头肌肌电图反应时间（EMG-RT）的姿势依赖性。F位的EMG-RT比N位更快；此外，EMG-RT越慢，EMG-RT的差异越大。手臂处于F位时，通过两个偏置系统导致EMG-RT发生偏移。一个系统的作用源自任一侧手臂，并作用于双侧手臂，因为易化作用及其强度取决于个体的EMG-RT。另一个系统源自一侧手臂，易化同侧手臂但抑制对侧手臂；其强度与个体的EMG-RT无关。偏移量由这两种作用的叠加贡献决定。
