Downward rotation, medial rotation and extortion of eye ball is facilitated by:
High-Yield Explanation
Actions of Individual Muscles
Levator palpabrae superioris
Elevation of upper eyelid
Superior rectus
Upward rotation, medial rotation and intortion
Inferior rectus
Downward rotation, medial rotation and extortion
Medial rectus
Medial rotation
Lateral rectus
Lateral rotation
Superior oblique
Downward rotation, lateral rotation and intortion
Inferior oblique
Upward rotation, and extortion