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Superior oblique muscle -Trochlen Superior oblique tendon - Superior rectus muscle Lateral rectus muscle Common tendinous ring Inferior Inferior rectus muscle oblique muscle (a) Lateral view of the right eye The flexion of which of the following ocular muscles would cause your left eye to look to the left (and your right eye t look to the right)? Medial Rectus Inferior Rectus O Superior Rectus Lateral Rectus Inferior Oblique O Superior Oblique

Superior oblique muscle -Trochlen Superior oblique tendon - Superior rectus muscle Lateral rectus muscle Common tendinous ring Inferior Inferior rectus muscle oblique muscle (a) Lateral view of the right eye The flexion of which of the following ocular muscles would cause your left eye to look to the left (and your right eye t look to the right)? Medial Rectus Inferior Rectus O Superior Rectus Lateral Rectus Inferior Oblique O Superior Oblique

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Anatomy of the Ocular Muscles** This illustration provides a lateral view of the right eye, highlighting several key muscles involved in eye movement. - **Superior Oblique Muscle**: Positioned at the top, it is connected via the superior oblique tendon. This muscle is involved in the downward and lateral movement of the eye. - **Trochlea**: A cartilaginous loop that acts as a pulley for the superior oblique muscle. - **Superior Rectus Muscle**: Located above the eye, this muscle is responsible for elevation and medial movement. - **Lateral Rectus Muscle**: Positioned on the outer side, this muscle's primary function is to move the eye laterally (away from the midline). - **Inferior Rectus Muscle**: Located below the eye, it allows the eye to look downward. - **Inferior Oblique Muscle**: Situated below the eye, responsible for upward and lateral movement. - **Common Tendinous Ring**: A fibrous ring encircling the optic nerve at its entrance to the orbit, serving as the origin for several of the ocular muscles. **Question:** The flexion of which of the following ocular muscles would cause your left eye to look to the left (and your right eye to look to the right)? - Medial Rectus - Inferior Rectus - Superior Rectus - Lateral Rectus - Inferior Oblique - Superior Oblique **Explanation:** To move the left eye to the left (abduction) and the right eye to the right, the lateral rectus muscle is activated. This muscle is specifically involved in moving the eye away from the nose (laterally).
Transcribed Image Text:**Anatomy of the Ocular Muscles** This illustration provides a lateral view of the right eye, highlighting several key muscles involved in eye movement. - **Superior Oblique Muscle**: Positioned at the top, it is connected via the superior oblique tendon. This muscle is involved in the downward and lateral movement of the eye. - **Trochlea**: A cartilaginous loop that acts as a pulley for the superior oblique muscle. - **Superior Rectus Muscle**: Located above the eye, this muscle is responsible for elevation and medial movement. - **Lateral Rectus Muscle**: Positioned on the outer side, this muscle's primary function is to move the eye laterally (away from the midline). - **Inferior Rectus Muscle**: Located below the eye, it allows the eye to look downward. - **Inferior Oblique Muscle**: Situated below the eye, responsible for upward and lateral movement. - **Common Tendinous Ring**: A fibrous ring encircling the optic nerve at its entrance to the orbit, serving as the origin for several of the ocular muscles. **Question:** The flexion of which of the following ocular muscles would cause your left eye to look to the left (and your right eye to look to the right)? - Medial Rectus - Inferior Rectus - Superior Rectus - Lateral Rectus - Inferior Oblique - Superior Oblique **Explanation:** To move the left eye to the left (abduction) and the right eye to the right, the lateral rectus muscle is activated. This muscle is specifically involved in moving the eye away from the nose (laterally).
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