I’m a 49 year old woman with lower back problem. I went to a orthopedic surgeon recently. As he was doing my check up and asking questions about back problem history he wanted to see how flexible I am. He touched my shoulders and told me to bend forward and backwards. It was hard for me to do. He asked why is my body so hard and tense? He is correct about that my entire body is very hard and tense everywhere. He said that he needs to do some blood work to see why my body is like that. Why blood work? Any advice?