During a medical examination, Tang's doctor found she was suffering an ailment all dancers dread, "dancer's knee," which meant that her kneecap could no longer sustain the burden involved in leaping dance moves.
唐幼馨被醫生檢查出令所有舞者聞之色變的「跳躍膝」，就是膝蓋無法再負荷任何跳躍動作。