Damiano Diane L
a PhD candidate in the Department of Human Services, Curry School of Education, University of Virginia, and Senior Research Physical Therapist, Motion Analysis Laboratory, Kluge Children's Rehabilitation Center, Charlottesville, VA 22903.
Phys Occup Ther Pediatr. 1993;12(4):3-20. doi: 10.1080/J006v12n04_02.
From a purely mechanical standpoint, muscle cocontraction is an inefficient utilization of muscle forces. Muscles resist each other producing little, if any, net movement. In mature gait and posture, as well as in many skilled motor activities, reciprocal activation or inhibition commonly occurs. Muscle cocontraction is frequently seen in infants and toddlers, in persons with central nervous system (CNS) damage, and interestingly, it is also seen in normal adults when they are attempting a novel complex motor skill. How might these three situations be related? This article summarizes the developmental trend of decreasing cocontraction with age. The relationship of cocontraction to motor skill development is described. Finally, the role of co contraction in movement disorders of persons with CNS deficits is explored, and an attempt is made to synthesize the presented material.
从纯粹的力学角度来看，肌肉共同收缩是对肌肉力量的低效利用。肌肉相互抵抗，几乎不会产生净运动（如果有净运动的话）。在成熟的步态和姿势中，以及在许多熟练的运动活动中，通常会出现相互激活或抑制。肌肉共同收缩在婴幼儿、中枢神经系统（CNS）受损的人群中很常见，有趣的是，在正常成年人尝试一项新的复杂运动技能时也会出现。这三种情况可能有怎样的关联呢？本文总结了随着年龄增长共同收缩减少的发育趋势。描述了共同收缩与运动技能发展的关系。最后，探讨了共同收缩在中枢神经系统缺陷患者运动障碍中的作用，并尝试对所呈现的材料进行综合。
