superior oblique muscle

If the muscle were to. The most common causes of a superior oblique palsy that occurs in later life are.

Extraocular Muscles Www Medicoapps Org

It runs along the top of the eye and passes through a loop of tissues located alongside the nose.

. The superior oblique acting in isolation turns the eye down and out. Arising from an attachment in the bony orbit its tendon goes forward and. Four patients with small angle hyperdeviations had. The superior oblique muscle with its innervation by the trochlear nerve has several unusual features and it plays a role in neurology disproportionate to its size.

Superior oblique runs anteriorly in the superomedial part of the orbit to reach the trochlea a fibrocartilaginous pulley located just inside the superomedial orbital rim on the nasal aspect of. The function of the superior oblique muscle is to. However if was tested clinically by asking the patient to look down and out its action could be. The four rectus muscles superior oblique muscle and inferior oblique work in conjunction to move the eyes in every direction.

This muscle typically works in concert with other extraocular. The superior oblique muscle is one of the six external muscles on each eye. These tissues are known. The superior oblique muscle is innervated by the trochlear nerve and functions to turn the eye inferiorly upon adduction 1.

The superior oblique muscle is the longest and thinnest of the extraocular muscles because of its long 25 cm tendon of insertion. The superior oblique muscle inserts onto the eyeball via a long tendon which loops around a pulley the trochlea of the superior oblique on the medial aspect of the orbital roof just lateral. The superior oblique is a fusiform spindle-shaped muscle belonging to the extraocular group of muscles. The inferior oblique is a thin narrow eye muscle and.

It has a fascinating and unique anatomy. Along with the other extraocular muscles it performs the. Surgery for the superior oblique muscle requires experience and appropriate preoperative evaluation in view of its challenging nature. Using over simplified vector physics to understand oculomotor muscle actions.

The superior rectus is innervated by the superior. The main indications are Brown. Surgery usually minimizes double. The inferior oblique muscle inserts at the posterior quadrant of the eyeball inferolateral part between the lateral and inferior recti muscles and slightly posterior to the insertion of the.

The superior oblique is a fusiform muscle that originates from the upper and medial side of the orbit. A superior oblique palsy can be a condition you are born with a congenital palsy. The insertion of the superior oblique muscle attaches in the superoposterior lateral aspect of the globe 37 and is fan shaped concave forward and oblique see Figure 10-10 B. The superior oblique muscle is located in the back of the eye socket.

Head injuries these. It originates near the nose. It controls depressing abducting and internally rotating the eye. Oblique muscle spasm causes significant pain.

In 13 patients a superior oblique tendon tuck was combined with an ipsilateral inferior oblique muscle myectomy or disinsertion. Limit stretching for days and rest till the pain lowers. The superior oblique muscle or obliquus oculi superior is a fusiform muscle originating in the upper medial side of the orbit which abducts depresses and internally rotates the eye. Oblique muscle pain treatment includes alternating heat and cold therapy pain-relieving medication gentle exercise and compression.

These videos were created through the David Geffen School of Medicine at UCLA. Use an ice pack on the strained area for about 20 minutes every one to two hours in the first three days following the injury. 30 The tendon of insertion changes direction as it passes. This muscle is as follows.

Isolated superior oblique palsy may be caused by a number of different problems most commonly an isolated trochlear nerve lesion which is the least common of the three cranial. Superior oblique is the longest muscle in this group spanning from the body of sphenoid bone to the superolateral aspect of the eyeball. The treatment of choice for congenital superior oblique palsy and for an unresolved after 6 months acquired palsy is typically eye muscle surgery. The tendon of insertion for the superior oblique muscle runs below the anterior part of the superior rectus muscle see Figure 10-7.

The superior oblique muscle originates above the annulus of Zinn which is the origin site for most of the other extraocular muscles. The muscle itself travels along the superomedial orbital.