Anatomy (Back fxns,inrvtxn, origin, insertion)

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sbandzar
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169416
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Anatomy (Back fxns,inrvtxn, origin, insertion)
Updated:
2012-09-15 23:26:27
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NIchols
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Med school
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  1. Trapezius Origin and Insertion?
    Origin: skull, ligamentum nuchae, spinous processes of thoracic vertebrae

    Insertion: Scapula and Clavicle
  2. Trapezius Action and Innervation?
    Action: R.E.R.D (Retraction, Elevation, Rotation of scapula, Depression)

    Innervation: Cranial Nerve XI (CN XI)
  3. Latissimus Dorsi Origin and Insertion?
    Origin: Spinous processes of lower thoracic vertebrae, iliac crests, lower ribs

    Insertion: Humerus
  4. Levator Scapula Origin and Insertion?
    Origin: Transverse processes of C1-C4 

    Insertion: Medial border of scapula
  5. Latissimus Dorsi Action and Innervation?
    Action: E.A.M (Extension, Adduction, and Medial rotation of humerus)

    Innervation: Thoracodorsal Nerve
  6. Levator Scapula Action and Innervation?
    Action: Elevation and Downward rotation of scapula (ED) 

    Innervation: Dorsal scapular nerve
  7. What muscle has transverse cervical artery?
    Trapezius
  8. Rhomboid Major/Minor Origin and Insertion?
    Origin: Lower cervical and upper thoracic spinal processes 

    Insertion: Medial border of scapula
  9. Rhomboid Action and Innervation?
    Action: Retraction and downward rotation of scapula

    Innervation: Dorsal scapular nerve
  10. Serratus Posterior Superior Origin and Insertion?
    Origin: Lower cervical Upper thoracic spinous processes

    Insertion: Ribs 2-5
  11. Serratus Posterior Inferior Origin and Insertion?
    Origin: Lower thoracic and Upper lumbar spinous processes

    Insertion: Ribs 9-12
  12. Serratus Posterior Inferior/Superior Action and Innervation?
    Action: Respiratory muscle

    Innervation: Intercostal muscles
  13. Splenius Origin, Insertion, Action, Innervation?
    Origin: ligamentum nuchae, spinous processes of upper thoracic vertebrae

    Insertion: Transverse processes of cervical vertebrae, occiput

    Action: Flex/rotate/extend head and neck 

    Innervation: Posterior Rami
  14. Iliocostalis Origin, Insertion, Action, Innervation?
    Origin: S.L.I (Sacrum, Lower lumbar spinous processes, Iliam)

    Insertion: Ribs and Transverse processes

    Action: Flex/rotate/stabilize vertebrae

    Innervation: Posterior Rami
  15. Longissimus Origin, Insertion, Action, Innervation?
    Origin: S.L.I (Sacrum, Lower lumbar spinous processes, Iliam)

    Insertion: Transverse Processes, Ribs

    Action: Flex/rotate/stabilize vertebrae

    Innervation: Posterior Rami
  16. Spinalis Origin, Insertion, Action, Innervation?
    Origin: S.L.I (Sacrum, Lower lumbar spinous processes, Iliam)

    Insertion: Spinous processes

    Action: Flex/rotate/stablilize vetebrae

    Innervation: Posterior Rami
  17. Semispinalis Origin, Insertion, Action, Innervation?
    Origin: Transverse processes 

    Insertion: Spinous processes, Occipital Bone

    Action: Extend/rotate head and neck

    Innervation: Posterior Rami
  18. Multifidus Origin, Insertion, Action, Innervation?
    Origin: S.I.T (Sacrum, Ilium, transverse processes)

    Insertion: Superior spinous processes

    Action: Stabilization of vetebrae column

    Innervation: Posterior Rami

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