Neuroanatomy Draw It To Know It

Cranial Nerves 3, 4, 6, 12 201

“SUPERIOR people do NOT EXTORT” “OBLIQUE muscles move the eye OUT”

Inferior oblique

Superior oblique

Superior rectus

Inferior rectus

Medial rectus

Lateral rectus

Superior

Inferior

Medial Lateral

Left eye

3 Inferior oblique Extorsion Elevation Abduction

4 Superior oblique Intorsion Depression Abduction

3 Inferior rectus Depression Extorsion Adduction

3 Superior rectus Elevation Intorsion Adduction

XX

Abduction

Adduction

Lateral rectus

Medial rectus

6

3

SECONDARY ACTION

TERTIARY ACTION

PRIMARY ACTION

CRN MUSCLE

EYE IN THE ORBIT: AXIAL VIEW

SIX CARDINAL POSITIONS OF GAZE TABLE OF EXTRAOCULAR MOVEMENTS

23 degrees optical axis muscle plane

Orbital apex

DRAWING 12-2 Extraocular Movements