在中学快速跑的教学中，放松技术的教学也越来越受到人们的重视，而面部肌肉的紧张与放松，作为短跑技术中的细小环节，并没有引起人们的重视。经过多年快速跑的教学实践，让学生“笑着跑”对更好的掌握快速跑技术，提高快速跑的成绩可起到促进作用。在快速跑教学中，要求... In the teaching of fast running in middle school, the teaching of relaxation technique is also paid more and more attention. However, the tension and relaxation of facial muscles, as a minor part of sprint technology, have not drawn people’s attention. After years of rapid running teaching practice, allowing students to “laugh and run” to better grasp the fast running technology, improve the performance of fast running can play a catalytic role. In the fast-running teaching, ask ...