sarcosis

例句：

1. 1. He had a severe case of myalgia after the long flight.
   长途飞行后，他得了严重的肌肉痉挛。
2. 2. The patient was diagnosed with myopathia due to an unknown cause.
   患者被诊断出肌炎，原因不明。
3. 3. Myopathia is a condition that affects muscles and can lead to weakness or stiffness.
   肌炎是一种影响肌肉的疾病，可能导致无力或僵硬。