myocardial contraction force

例句：

1. 1.Myocardial contraction force is a crucial factor in determining heart function.
   心肌收缩力是决定心脏功能的关键因素。
2. 2.The myocardial contraction force is directly related to the heart's ability to pump blood.
   心肌收缩力直接关系到心脏泵血的能力。
3. 3. During exercise, the myocardial contraction force increases to support increased cardiac output.
   在运动期间，心肌收缩力增加以支持增加的心脏输出。