Methods: The electromyography activities of MM were recorded before and after 3 months MFT during mandibular movement in 32 open bite adolescents with high angle.

• 方法：应用肌电图仪测量32例高角开（牙合）青少年在单纯进行肌功能训练3个月前后的咬肌肌电活动，并进行比较分析。