flaccidity of limbs due to deficiency of blood

例句：

1. 1.The patient was diagnosed with flaccidity due to a stroke.
   这位病人因中风被诊断为无力。
2. 2.The old man's limbs were flaccid and he couldn't walk without assistance.
   老人的四肢无力，无法独立行走。
3. 3.The muscles in the arm are flaccid because of a lack of blood flow.
   因为缺乏血液流动，手臂的肌肉无力。