Name the extra ocular muscle which is NOT arising from the apex of orbit?
All the extra ocular muscles except inferior oblique arise from the apex of orbit. Inferior oblique arises from lower and inner orbital walls near the lacrimal fossa and inses in the sclera below and lateral to the posterior pole of the globe. Ref: Parsons' 21st / Pg. 393.
Superior rectus
Superior oblique
Inferior rectus
Inferior oblique