Term
| Rectus Capitis Posterior Major |
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Definition
- Origin: SP of C2
- Insertion: Lat. part of inf. nuchal line.
- Action: Extension of head; rotation to same side.
- Innervation: Suboccipital n. (C1)
- Blood Supply: Vertebral and occipital aa.
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Term
| Rectus Capitis Posterior Minor |
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Definition
- Origin: Post. tubercle of post. arch of C1.
- Insertion: Med. part of inf. nuchal line.
- Action: Extension of head; rotation to same side.
- Innervation: Suboccipital n. (C1).
- Blood Supply: Vertebral and occipital aa.
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Term
| Obliquus Capitis Inferior |
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Definition
- Origin: SP of C2.
- Insertion: TVP's of C1.
- Action: Rotation of atlas and face to same side.
- Innervation: Suboccipital n. (C1).
- Blood Supply: Vertebral and occipital aa.
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Term
| Obliquus Capitis Superior |
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Definition
- Origin: TVP's of C1.
- Insertion: Occipital bone between sup. and inf. nuchal lines.
- Action: Extension of head and lat. flexion of head and neck.
- Innervation: Suboccipital n. (C1).
- Blood Supply: Vertebral and occipital aa.
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