一、讲解的最佳时机应选择在示范动作的同时 ,以边示范、边讲解效果最好。也可先示范 ,后讲解 ,在学生形成视觉表象后 ,加以技术讲解 ,这样易于学生理解和加深印象 ,使之较快地明确动作技术要领并有效地完成练习。如果先讲解 ,后示范 ,由于学生大脑中还没有动作表象 ,技术要领 First, the best time to explain should be selected at the same time as the demonstration and demonstration. Can also be demonstrated first, later explained, after the students form a visual appearance, to explain the technology, so that students can easily understand and deepen the impression, make it faster to identify the essential technical skills and effectively complete the exercise. If you explain first and then demonstrate, because there is no action image in the brain of the student, the technical essentials