Anatomy, Head and Neck, Eye Inferior Rectus Muscle

The inferior rectus is one of the seven extraocular muscles and is primarily responsible for depressing the eye (downgaze). The inferior rectus is one of the four rectus muscles, which also include the superior rectus, the medial rectus, and the lateral rectus. There are also two oblique muscles, the superior and inferior obliques. The seventh extraocular muscle is the levator palpebrae superioris.