Yen says that when the artificial joint rubbed against the newly formed muscle, it cut like a knife. During physical therapy, they would constantly raise and lower the leg and move it right and left.
顏美玲表示，人工關節與周圍新長出來的肌肉摩擦時，有如刀割，復健時又不斷的將腿抬高、放下、前後左右移動，疼痛的程度可想而知。