The Back

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  1. 1. Name All the extrinsic back muscles.
    • 1. Trapezius
    • 2. Latissimus Dorsi
    • 3. Rhomboid Major
    • 4. Rhomboid minor
    • 5. Levator Scapulae
    • 6. Serratus Posterior Superior
    • 7. Serratus Posterior Inferior
  2. What is the innervation of the Trapezius?
    Cranial Nerve 11 or Spinal Accessory Nerve and C3-C4
  3. What is the Innervation of the Latissimus Dorsi?
    The Thoracodorsal Nerve.
  4. What is the Innervation of the Rhomboid Major, minor, and Levator Scapulae?
    The Dorsal Scapular Nerve. C4-C5
  5. What is the Innervation of the Serratus Posterior Superior?
    T1-T4 Nerves. Ventral Rami of the segmented spinal nerves.
  6. What is the innervation of the Serratus Posterior Inferior?
    T9-T12 Nerves.
  7. What is the Proximal attachment of the Trapezius?
    Medial Nuchal Line, External Occipital Protuberance, Nuchal ligament, and the Spinous Process from C7-T12
  8. If some one can not raise there shoulders, what muscle is being affected?
  9. If you are not able to raise your trunk to your arms, what muscle may be injured?
    Latissimus dorsi.
Card Set
The Back
Back Muscles
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