This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cushing Syndrome, Subject name: Medicine
All of the following are common features of Cushing's syndrome, except? 
Select and explain. 
A. Truncal obesity, B. Osteoporosis, C. Distal myopathy, D. Glucose intolerance
C: Distal myopathy
Answer: C: Distal myopathy 
Explanation: Cushing syndrome is characterized with proximal muscle weakness resulting in difficulty in climbing stairs. "Lemon on sticks" appearance results in centripetal obesity. The Weight gain leads to insulin resistance coupled with effects of coisol leading to impaired glucose tolerance.