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16 Cards in this Set

  • Front
  • Back
What are the primary and secondary actions of the superior rectus?
1. elevate
2. adduct & intorsion
What are the primary and secondary actions of the inferior rectus?
1. depress
2. adduct & extorsion
What is the primary action of the medial rectus?
adduction
What is the primary action of the lateral rectus?
abduction
What are the primary and secondary actions of the superior oblique?
1. intorsion
2. depression & abduction
What are the primary and secondary actions of the inferior oblique?
1. extorsion
2. elevation & abduction
All superior muscles do what?
intorsion
All oblique muscles do what?
abduct
All the EOMs originate from the common tendinous ring except for which two?
superior and inferior obliques
What EOM originates from the lesser wing of sphenoid?
superior oblique
Which EOM originates from the maxillary bone?
inferior oblique
Which EOM originates from the greater wing of sphenoid AND the CTR?
lateral rectus
Which EOM is the thickest?
medial rectus
b/c of convergence
Which EOM is the longest and thinnest?
superior oblique
The EOMs are primarily supplied by which artery?
muscular artery
The muscular artery is broken down into two branches (superior & inferior), which EOMs does each branch innervate?
superior (lateral) : SR, SO, LR
inferior (medial): IR, IO, MR