This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ocular Motility, Subject name: Ophthalmology
Superior oblique causes all except - 
Select and explain. 
A. Intorsion, B. Elevation, C. Depression, D. Abduction
B: Elevation
Answer: B: Elevation 
Explanation: Ans. is 'b' i.e., Elevation MusclePrimary actionSecondary actionTertiary actionMRLRSRIRSOIOAdductionAbductionElevationDepressionIntensionExtorsion--IntorsionExtorsionDepressionElevation--AdductionAdductionAbductionAbduction