Without proper history we couldn't interpret anything. The sedimentation rate is a non specific one. Any inflammation anywhere in the body will increase it. Any how you have to do a complete workup as per rheumatologist
instructions. Meanwhile collect all the data regarding when it started? Which is aggravating it? Any family history? What about the development of leg muscles? Any intestinal problem he had in the past? Whether he can squat on the floor? Whether he can get up on his own?