Methods: The position and frequency of the myocardial bridge were studied on 128 heart specimens, and the relationship between mural coronary artery and age and sex were discussed.

• 方法：不同年龄段的尸体心脏128例，作年龄、性别记录，比较观察心肌桥的出现率、出现位置、壁冠状动脉所在动脉的形态特点及其与年龄、性别间的关系。