Podcast
Questions and Answers
Which muscle forms the superomedial border of the suboccipital triangle?
Which muscle forms the superomedial border of the suboccipital triangle?
What structure forms the floor of the suboccipital triangle?
What structure forms the floor of the suboccipital triangle?
Which of the following is located within the suboccipital triangle?
Which of the following is located within the suboccipital triangle?
The obliquus capitis inferior muscle forms which border of the suboccipital triangle?
The obliquus capitis inferior muscle forms which border of the suboccipital triangle?
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Which structure forms the roof of the suboccipital triangle?
Which structure forms the roof of the suboccipital triangle?
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Study Notes
Suboccipital Triangle Anatomy
- The suboccipital triangle is a small, roughly triangular-shaped space on the posterior aspect of the neck.
- Its boundaries are defined by specific muscles:
- Superior and medial border: Rectus capitis posterior major muscle.
- Superior and lateral border: Obliquus capitis superior muscle.
- Inferior and lateral border: Obliquus capitis inferior muscle.
- The floor of this triangle is formed by the posterior atlanto-occipital membrane and the posterior arch of vertebra C1.
- The roof of the triangle is covered by the semispinalis capitis muscle.
- Importantly, the suboccipital triangle houses crucial structures:
- Vertebral artery: This artery runs through the triangle, supplying blood to the brain.
- Suboccipital nerve: A nerve that innervates the muscles within the suboccipital region.
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Description
Explore the anatomy of the suboccipital triangle, a key area in the neck. Learn about its boundaries defined by specific muscles, and the importance of structures like the vertebral artery and suboccipital nerve. This quiz will test your knowledge of this critical anatomical region.
