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: Physiology
The setting of posture before a planned movement is believed to be by 
Select and explain. 
A. Premotor cortex, B. Motor cortex, C. Frontal, D. Supplementary motor cortex
A: Premotor cortex
Answer: A: Premotor cortex 
Explanation: Premotor cortex is believed to be involved in getting prepared the body for a planned movement, especially the control of proximal limb muscles needed to orient the body for movement.