Downward rotation, medial rotation and extortion of eye ball is facilitated by:
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
Superior rectus
Inferior rectus
Levator palpebrae superioris
Medial rectus