Anatomy 1 Lecture 3 - Cervical Spine (Anterior Musculature)

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Kalanzo
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Anatomy 1 Lecture 3 - Cervical Spine (Anterior Musculature)
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2010-06-11 20:55:09
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UNLV DPT
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UNLV DPT 744 Gross 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.

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