1.2, the total speaking time in a day should not exceed three hours, continuous speaking should not exceed one and a half hours, and vocal cords should be fully rested. Use nasal breathing more often, and change chest breathing into abdominal breathing.
1.5, don't use too much sound. Don't scream, don't talk loudly in noisy places. If you feel dry or hoarse, stop talking. Keep your voice normal, neither too high nor too low, and whispering is not good for protecting your voice.
2. Change the teaching method of teacher voice maintenance 2. 1 Slow speech: on the one hand, it can reduce the use of vocal organs, on the other hand, it can give students the opportunity to think while listening. Experts say that about 100- 150 words per minute is the most suitable.
2.2, don't yell at students, loud or deliberately laugh, that is a wrong usage.
2.3, the classroom adopts interactive way, with students as the main body and teachers as the guidance, and comprehensively arranges to help students learn.
2.4, with a relaxed mood, happy teaching, using effective class management methods and good teaching skills.
2.5, more use of media-assisted teaching.
2.6. Physical exercise and training.
3, the teacher's throat maintenance to do a good job in the investigation of abnormal voice caused by diet conditioning found that vocal nodules, vocal polyps, chronic laryngitis and other problems are very common, they will make people hoarse. Although chronic pharyngitis is also common, there is more than one reason for abnormal sound.
The research shows that the longer the teacher's teaching experience, the higher the prevalence of abnormal voice; The more class hours per month, the higher the incidence of symptoms related to abnormal voice and the higher the prevalence of abnormal voice.
In addition, the abnormal sound of teachers who smoke has increased significantly, while the incidence of teachers who drink water in class has decreased significantly. The working environment also affects voice diseases. Teachers with heating and air conditioning equipment are less likely to have abnormal voices than teachers with poor working conditions.
Gender is also a factor that cannot be ignored. The proportion of female teachers' voice diseases and lesions is higher than that of male professional abnormal voices, which is the result of the comprehensive effects of occupation and speaking habits, including voice background, noise, indoor equipment and voice size, intonation and speaking habits.
How should teachers keep in good health 1, spine protection: teachers spend a long time preparing lessons and correcting homework, which easily leads to neck and back discomfort, backache and backache. Pay attention to the combination of work and rest in daily life and strengthen exercise.
Health tips: when you have backache, you can apply hot compress on the painful part to relieve it temporarily, and put on clothes to keep warm immediately after application; After spending an hour at your desk, you'd better get up and relax. You can do chest expansion exercise, body rotation exercise, limb stretching exercise and cervical health care exercise. To relieve neck and back discomfort, you can cross your hands, put your fingers behind your back, lift them up to the highest angle, and then raise your head. Bow your head and look up several times, and finally slowly put your hand down. Repeat this action several times at a time.
2, eye-catching: teachers are prone to eye fatigue when preparing lessons and correcting homework. In addition to paying attention to eye care, you should also moisturize your eyes in your diet.
Health tip: When eyes are tired, you should close your eyes and rest for 10 minute, or turn your eyes up and down. Screen window, standing overlooking, relieve eye fatigue.