Bad one's. I know.. A very powerful and thoughtful response. I have had them for years. Back spasms can last week and even months. It can be very debilitating. When I served in the Armed Forces I hurt my back and had to be discharged after two more years of non-stop pain. I'm good now, but still have to be careful how much I strain it. Hopefully for Dr. Favors, it will be a short lived experience.
I would assume when you are a giant back spasms are more serious too.