Koroleva I N, Petukhov S V, Bulaev Iu O
Kosm Biol Aviakosm Med. 1987 Mar-Apr;21(2):34-7.
The factors that influence the accuracy with which motor commands are actualized were investigated. The study concentrated on linear acceleration of different sign (produced by rocking a heavy metal platform), vibration at a frequency of about 23 Hz, and impact acceleration resulting from the platform or the rotating chair being suddenly stopped. The force applied to hand sticks or foot levers was recorded by means of electromechanical sensors. It was demonstrated that smoothly varying and in particular impact acceleration caused normal men to subjectively underestimate their own muscle efforts. As a rule, this led to a greater than prescribed strength applied. It is very important to note that acceleration acting from right to left or from left to right (in the frontal plane) produced nonsymmetric pressure by the right and left limbs.
研究了影响运动指令实现准确性的因素。该研究集中于不同方向的线性加速度(通过摇动重金属平台产生)、约23赫兹频率的振动以及平台或转椅突然停止所产生的冲击加速度。通过机电传感器记录施加在手杆或脚蹬上的力。结果表明,平稳变化的加速度,尤其是冲击加速度,会使正常男性主观上低估自己的肌肉用力程度。通常,这会导致施加的力量超过规定值。需要特别注意的是,在额平面内从右向左或从左向右作用的加速度会使左右肢体产生不对称压力。