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| trochlear_nerve [2023/03/06 10:11] – Remove socialite tom | trochlear_nerve [2023/04/26 17:13] (current) – [Muscles] sabs | ||
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| The muscle also creates abduction of the eye, moving the pupil away from the nose, and intrusion, rotating the eye such that the top of the eye moves toward the nose. | The muscle also creates abduction of the eye, moving the pupil away from the nose, and intrusion, rotating the eye such that the top of the eye moves toward the nose. | ||
| - | The superior oblique muscle is the only extraocular muscle that can lower the pupil with the eye adducted. Thus, to isolate the function of the superior oblique muscle from the other additional extraocular muscles, the muscle can be tested by requesting the patient to adduct the eye and then ask to depress the eye. Failure to depress the eye during adduction indicates a problem with the superior oblique muscle or the trochlear nerve. In addition, a general rule of thumb is that “obliques go opposite”; | + | The superior oblique muscle is the only extraocular muscle that can lower the pupil with the eye adducted. Thus, to isolate the function of the superior oblique muscle from the other additional extraocular muscles, the muscle can be tested by requesting the patient to adduct the eye and then asking |
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