Which of the following muscles produce intorsion of eye ball-?: (A) Superior rectus and superior oblique, (B) Inferior rectus and inferior oblique, (C) Inferior rectus and superior oblique, (D) Superior rectus and inferior oblique
Answer is A. Ans. A. Superior rectus and superior obliqueMusclePrimarySecondaryTertiaryMedial rectusAdduction--Lateral rectusAbduction--Inferior rectusDepressionExtorsionAdductionSuperior rectusElevationIntorsionAdductionInferior obliqueExtorsionElevationAbductionSuperior obliqueIntorsionDepressionAbduction