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MUSCLES-ANTERIOR NECK

Anatomy-Neck

MUSCLES-ANTERIOR NECK

1. LONGUS COLLI - consists of upper, central, lower fibers. Upper fibers: connects the anterior tubercles of C1 to C3-5. Central fibers: connects the bodies of C2-4 to C5-T3. Lower fibers: connects the TP of C5-6 to the bodies of T1-3. Supplied segmentally by the anterior rami of spinal nerves.

2. LONGUS CAPITIS - arises from the anterior tubercles of C3-6 and inserts into the basiocciput. Supplied by anterior rami of C1-4.

3. RECTUS CAPITIS ANTERIOR - extends from the lateral mass of the atlas to the front of the foramen magnum. Supplied by the anterior ramus of C1. Assists in flexion + lateral flexion of the head.

4. RECTUS CAPITIS LATERALIS - extends from the lateral mass of the atlas to the jugular process of the occipital bone. Supplied by the anterior ramus of C1. Assists in flexion + lateral flexion of the head.


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REFERENCES

1. Mcminn. (2003). Last's Anatomy. Elsevier Australia. ISBN:0729537528. Read it at Google Books - Find it at Amazon
2. Netter, F. H. (2019). Atlas of human anatomy. Philadelphia, PA: Elsevier.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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