Anatomy 1 Lecture 3 - Cervical Spine (Anterior Musculature)

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  1. Which muscle are in the deep layer of the anterior cervicular region?
    • Longus Colli: Superior Oblique, Vertical Intermediate, Inferior Oblique
    • Rectus Capitus Anterior
    • Rectus Capitus Lateralis
    • Also has the ALL
  2. ALL
    • Narrow superiorly and broader inferiorly
    • Extends from the anterior tubercle of C1 to pelvic surface of the upper sacrum
  3. Longus Colli 3 parts
    • Superior Oblique
    • Vertical Intermediate
    • Inferior Oblique
  4. Superior Oblique
    • O: Anterior tubercles of the xverse process of C3-C5
    • I: Anterolateral surface of anterior tubercle of C1
    • N: Anterior Rami of C2-C4
  5. Veritcal Intermediate
    • O: Anterior aspect of bodies C5-T3
    • I: Anterior aspect of the bodies of C2-C4
    • N: Anterior Rami of C2- C6
  6. Inferior Oblique
    • O: Anterior tubercles of xverse process of C5-C6
    • I: Anterior aspect of bodies of T1-T3
    • N: Anterior Rami of C5-C6
  7. Rectus Capitis Anterior
    • O: Anterior surface of lateral mass oand root of transverse process of C1
    • I: Inferior surface of the basilar part of the occipital bone
    • N: Anterior rami of C1-C2
  8. Rectus Capitis Laterali
    • O: Superior surface of xverse process of C1
    • I: Inferior surface of the jugular process of the occipital bone
    • N: Anterior rami of C1 and C2
  9. What are the anterior intermediate muscles?
    • Scalenus Posterior
    • Scalenus Medius
    • Scalenus Anterior
    • Longus Capitis
  10. Scalenus Posterior
    • O: Posterior tubercles of xverse process of C4-C6
    • I: Outer surface of 2nd rib behind the tubercle and attachment of serratus anterior
    • N: Anterior Rami of C5-C7
  11. Scalenus Medius
    • O: Xverse processes of C1 and C2 and anterior aspect of posterio tubercles of C3-C7
    • I: Upper surface of 1st rib between the tubercle and groove for the subclavian artery
    • N: Anterior Rami of C3-C8
  12. Scalenus Anterior
    • O: Musculotendinous fasicles from the anterior tubercles of the transverse processes of C3-C6
    • I: To scalene tubercle on the inner border of the 1st rib and ridge on the upper surface of the rib, anterior on the groove for the subclavian artery.
    • N: Anterior Rami of C4-C6
  13. Longus Capitis
    • O: anterior tubercles of xverse process of C3-C6
    • I: Inferior surface of the basilar part of the occipital bone
    • N: anterior Rami of C1 to C3
  14. Which muscles attach to the Hyoid?
    • Supra hyoid: Mylohyoid, geniohyoid, stylohyoid and digastric.
    • Infrahyoid: Sternohyiod, omohyoid, sternothyroid, thyrohyoid.
  15. SCM OINA
    • Sternocleidomastoid
    • O: Sternal head-Manubrium, Clavicular head- superior surface of medial third of clavicle
    • I: Mastoid process of temporal bone and the superior nuchal line of the occipital bone.
    • N: Spinal Accessory N
    • A: Unilateral-tilts head to same side and rotates so face is turned superior towards opposite side. Bilaterally-Extends neck and O-C1, Flexes cervical vertebrea so chin approaches manubrium, Extends superior vertebrae so chin thrusts forward.
  16. Platysma
    • Broad thin sheet of muscle in subcutaneous tissue of neck.
    • Supplied by cervical branch of facial nerve (CN VII)
    • Fibers arise from deep fascia covering superior parts of deltoid and pectoralis major muscles and sweep superomedially over the clavicle to the inferior boder of the mandible.
  17. A little more about the longus Colli:
    What does it do?!
    When about to move, the longis colli causes pretension in the neck to prepare it for movement. And works eccentricly to control movement.

Card Set Information

Anatomy 1 Lecture 3 - Cervical Spine (Anterior Musculature)
2010-06-12 00:55:09

UNLV DPT 744 Gross Anatomy 1 Lecture 3 - Cervical Spine (Anterior Musculature)
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