However, the good news is that when trochlear nerve palsy results from an injury, it often resolves on its own, typically in six to eight months.

To quantitatively determine the size and contractility of the superior oblique (SO) muscle in primary SO overaction (PSOOA). A prospective, observational study was conducted on 12 patients with ...

When you climb stairs or look down to read a paper, you use your trochlear nerve and superior oblique muscle. Trochlea. This cartilaginous tissue holds the tendon of the superior oblique muscle.

Other findings that distinguish an inferior oblique palsy from Brown syndrome include hypotropia in primary gaze, superior oblique muscle overaction, and intorsion on fundus examination.

Comparison of muscle volume between congenital and acquired superior oblique palsies by magnetic resonance imaging. Jpn J Ophthalmol 1998; 42:466–70. Article CAS Google Scholar Mein J, Trimble R .

The superior oblique muscle is underdeveloped and the trochlear nerve is missing in both illnesses, according to imaging studies.

Thus, if the inferior oblique muscles are overacting and/or the superior oblique muscles are underacting, one would expect a relative convergence in downgaze and divergence in upgaze, resulting in ...

Oblique muscle pain is typically a sign of injury to the oblique, or side, muscles. Learn more here.

Find out what you need to know about the oculomotor nerve, and discover the function, location, and possible conditions.