This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Physiology
Spinocerebellum is involved in: 
Select and explain. 
A. Maintainance of postural balance, B. Smoothening and coordination of movements, C. Planning and programming of movements, D. Initiation of skilled voluntary movements
B: Smoothening and coordination of movements
Answer: B: Smoothening and coordination of movements 
Explanation: Vestibulocerebellum (flocculonodular lobe) concerned with equilibrium (postural balance) and eye movements. Spinocerebellum is responsible for smoothening and coordination of movements. Cerebrocerebellum has role in planning and programming of movements. Initiation of skilled voluntary movements: Coical association area.