Chapter contents
Overview
Origin, central course
Intracranial course
Final innervation
Clinical correlation
Unique features
| Cranial Nerve IV - Trochlear Nerve | Page 2 of 7 |
Overview
The trochlear nerve innervates the superior oblique muscle of the contralateral orbit.
Contraction of the superior oblique muscle depresses, intorts (rotates inward), and abducts the eye:
Figure 4-2. Superior oblique muscle.
