Kostiukov A I
Neirofiziologiia. 1986;18(5):696-9.
Hysteretical effects were studied on the ankle extensor muscle of the anesthetized cat. Continuous and intermittent stimulations were applied to efferents supplying these muscles; linear sinusoidal and step changes of the length were used. Stiffness of the muscle could became negative when the muscle was stretched above the resting length provided that the intermittent stimulation was used. If the same length was achieved under conditions of continuous stimulation, the stiffness was invariably positive. Effectiveness of the intermittent stimulation was higher as compared with continuous one in shortening phases of length changing. The observed hysteretical effects are discussed from the functional point of view.
在麻醉猫的踝伸肌上研究了滞后效应。对支配这些肌肉的传出神经施加连续和间歇性刺激;采用了肌肉长度的线性正弦变化和阶跃变化。如果使用间歇性刺激,当肌肉拉伸超过静息长度时,肌肉刚度可能变为负值。如果在连续刺激条件下达到相同长度,刚度始终为正值。在长度变化的缩短阶段,间歇性刺激的效果比连续刺激更高。从功能角度讨论了观察到的滞后效应。