Differential diagnosis of mild stiffness or catatonia are :
-polymyalgia rheumatica
-fibromyalgia
-early Parkinsonism
-osteoarthritis
-pseudogout
-rheumatoid arthritis
-polymyalgia rheumatica
-fibromyalgia
-early Parkinsonism
-osteoarthritis
-pseudogout
-rheumatoid arthritis