Professional Dr. Jiang, who does not need instruments at all, can determine that the bones of the upper body of Li Nan are completely damaged only by touch.
As for whether the five Zang-organs and six Fu-organs have been injured or not, it needs to be checked by means of instruments.
The upper body surface is okay, so it's time to check his lower body.
In order to avoid causing secondary injury to him, the belt must also be unfastened and his trousers cut.
Sister, I'm really all right. Can't we just cut them? They're the most comfortable pants I've ever worn.
Li Nan wailed in his heart and really...