Muscles Flashcards
1
Q
LR (lateral rectus)
A
Abduction
2
Q
MR ( medial rectus)
A
Adduction
3
Q
SR (superior retus)
A
Primary: elevation
secondary: ADDuction
Tertiary: inclyclotorsion
4
Q
IR ( inferior Retus)
A
Primary: depression
Secondary: ADDuction
Tertiary: excyclotorsion
5
Q
IO( inferior oblique)
A
Primary: excylotorsion
Secondary: elevation
Tertiary: abduction
6
Q
SO( superior oblique)
A
primary: inclyclotorsion
Secondary: depression
Tertiary: abduction
7
Q
A helpful way to remember extraocular muscle actions is SIN RAD which stands for
A
Superiors ( INcyclotorsion) retus muscle ADDuct
