Department of Physiotherapy, Medical College, University of Information Technology and Management in Rzeszow, 2 Sucharskiego Str., 35-225 Rzeszów, Poland.
Zamosc Clinic of Rehabilitation, 22-400 Zamosc, Poland.
Sensors (Basel). 2022 Jan 4;22(1):368. doi: 10.3390/s22010368.
Postural stability of the body depends on many factors. One of them is physical activity. It is especially important in the case of sports or professional work, which combine mobility with the accuracy of a shot in a standing position. The smaller the body fatigue, the more accurate the shot. The aim of the study was the assessment of the impact of physical effort on the center of gravity deflection and length of the COP (center of pressure) path, as well as the reaction of ground forces in people who do not engage in systematic physical activity. The study group included 139 people (23.1 ± 5.2 yr; M: 46.8%; F: 53.2%). The test consisted of performing a static test twice, shooting at the target in a multimedia shooting range. Group X performed the Harvard test between the static tests. Group Y made no effort. The reaction parameters of the ground forces were assessed using the Zebris PDM-L Platform. In Group X performing the Harvard test, an increase in the average COP, VCOP, and 95% confidence ellipse area was noted. The path length and the average velocity of COP speed increased. There were no differences in Group Y ( > 0.05). Physical effort significantly affected the postural stability of the studied people, increasing the average parameters assessing balance when adopting static firing position.
人体姿势稳定性取决于许多因素。其中之一是身体活动。对于运动或职业工作来说，这一点尤为重要，因为这些工作结合了身体的移动性和站立射击的准确性。身体疲劳越小，射击越准确。本研究的目的是评估体力活动对重心偏移和 COP（压力中心）轨迹长度的影响，以及对不进行系统体育活动的人的地面反作用力的反应。研究组包括 139 人（23.1 ± 5.2 岁；M：46.8%；F：53.2%）。测试包括两次静态测试和在多媒体射击场进行射击。X 组在两次静态测试之间进行哈佛测试。Y 组不做任何努力。使用 Zebris PDM-L 平台评估地面反作用力的反应参数。在进行哈佛测试的 X 组中，注意到 COP、VCOP 和 95%置信椭圆面积的平均增加。COP 速度的轨迹长度和平均速度增加。Y 组没有差异（> 0.05）。体力活动显著影响了研究对象的姿势稳定性，当采用静态射击姿势时，增加了评估平衡的平均参数。
