Mnemonic
Extraocular Muscle Common Origin
Mnemonic for the shared origin of most extraocular muscles.
Expansion
Four recti spring from a common ring, the obliques do their own thing
Expansion
- Four rectus muscles - share the common tendinous ring origin
- Superior oblique - arises from the sphenoid bone, separate origin
- Inferior oblique - arises from the orbital floor, separate origin