目前,我国高校的体育课多安排在上午的后2个课时,由于部分学生有不良的早餐习惯,加上剧烈的运动训练,多数学生下课后已是疲惫不堪,不可避免地带来诸多生理生化指标变化,特别是对心血管系统的影响尤为突出。本研究以曲阜师范大学学生作为检测对象,探讨上午体育课前后血小板和红 At present, most PE classes in colleges and universities are arranged in the last two classes in the morning. Because some students have bad breakfast habits and intense sports training, most students are exhausted after class and inevitably bring about many physiological and biochemical indexes Changes, especially on the cardiovascular system is particularly prominent. In this study, students of Qufu Normal University as the test object to explore the morning physical education class before and after platelet and red