This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Decerebrate  rigidity is characterised by all except 
Select and explain. 
A. Abnormal extensor response, B. Wrists and fingers flexed, C. Arms flexed at elbow, D. Plantar flexion of foot
C: Arms flexed at elbow
Answer: C: Arms flexed at elbow 
Explanation: Decerebrate rigidity is characterised by adducted arms and extended elbow