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2) Y axis: The medial force pulls the top of the eye towards the nose, rotating around the Y axis, causing intorsion (primary function). 3) Z axis: The medial force also pulls the back of the eye towards the nose, rotating the front of the eye around the Z axis, causing ABduction (tertiary function).
Ductions are monocular eye movements. Movement of the eye nasally is adduction; temporal movement is abduction. Elevation and depression of the eye are termed sursumduction (supraduction)...
30 de oct. de 2023 · In the neutral position, the lateral rectus muscle is responsible for abduction. This muscle inserts on the anterior, lateral surface of the eye. The origin is the Annulus of Zinn.
- Alice Ferng
- 7 min
- Content Manager
Extraocular muscles. The extraocular muscles, or extrinsic ocular muscles, are the seven extrinsic muscles of the eye in humans and other animals. [1] Six of the extraocular muscles, the four recti muscles, and the superior and inferior oblique muscles, control movement of the eye.
- Musculi externi bulbi oculi
The study of cranial nerves has long been seen as one of the most relevant parts of preclinical training. 1, 2 However, when learning the physical examination of the oculomotor, trochlear, and abducens nerves, students often have difficulty understanding the direction of the eye movement in conjunction with the examination of these cranial nerves.
- Niu Zhang, Xiaohua He
- 10.7899/1042-5055-24.2.153
- 2010
- J Chiropr Educ. 2010 Fall; 24(2): 153-158.
9 de jul. de 2019 · 1 Eyelid Muscle. Levator palpebrae superioris. Extraocular Muscle Origins. Orbit, right eye, demonstrating the extraocular muscle insertions.
30 de sept. de 2021 · Abduction and adduction are the movement of the eye around its vertical axis away from and towards the nose respectively. abduction. primarily mediated by lateral rectus. supplemented by superior oblique and inferior oblique. adduction. primarily mediated by medial rectus. supplemented by superior rectus and inferior rectus.
