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Haneea Yasir
Haneea Yasirover 1 year ago
Extraocular muscles

Extraocular muscles

There are six extraocular muscles which help in the movement of the eyeball. They are innervated by either, Occulomotor nerve, Trochlear nerver or Abducens nerve 1. Superior Rectus: • Action: Elevation, adduction and medial rotation of eyeball • Innervation: Oculomotor nerve 2. Inferior Rectus • Action: Depression, adduction and lateral rotation of eyeball • Innervation: Oculomotor nerve 3. Medial Rectus: • Action: Adduction of eyeball • Innervation: Oculomotor nerve 4. Lateral Rectus: • Action: Abduction of eyeball • Innervation: Abducens nerve 5. Superior Oblique: • Action: Depression, abduction and medial rotation of eyeball • Innervation: Trochlear nerve 6. Inferior Oblique: • Action: Elevation, abduction and lateral rotation of eyeball • Innervation: Oculomotor nerve

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