translation.en: Using the software, my physical therapist recorded herself performing a shoulder abduction, which is one of the movements my mom had to do when she had frozen shoulder.
translation.zh: 使用这个软件， 我的理疗师录下了 她自己做肩部伸展的运动的过程， 这是我妈妈患肩周炎接受治疗时， 其中一个必须做的练习动作，