ANAT 1615 Mercy Navis Gross Lab Notes

ANAT 1615 Mercy Navis Gross Lab Notes - 1 Lab 1615...

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Lab 1615 Structures to be observed in lab BACK Muscles Superficial or Extrinsic Back Muscles 1. trapezius ( superior ) 2. latissimus dorsi ( inferior ) 3. levator scapulae ( superior ) 4. rhomboideus minor ( middle ) 5. rhomboideus major ( inferior ) Intermediate Extrinsic Back Muscles 1. serratus posterior superior ( superior ) 2. serratus posterior inferior ( inferior ) Deep or Intrinsic back Muscles Superficial layer 1. splenius cervicis ( superior ) 2. splenius capitis ( inferior ) Intermediate layer Erector spinae 1. iliocostalis ( lateral segment ) lumborum ( inferior ) thoracis ( middle ) cervicis ( superior ) 2. longissimus ( intermediate part ) thoracis ( inferior ) cervicis ( middle ) capitis ( upper ) 3. spinalis ( medial segment ) thoracis ( inferior ) 1
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cervicis ( middle ) capitis ( lower ) Deep layer 1. semispinalis cervicis ( inferior ) 2. semispinalis capitis ( superior ) 3. levator costorum ( attached to the ribs ) 4. rotators ? 5. multifidus ? Suboccipital and deep neck muscles 1. rectus capitis posterior major ( lateral ) 2. rectus posterior minor ( medial ) 3. superior oblique ( upper and lateral ) 4. inferior oblique ( inferior ) Nerves 1. spinal accessory nerve ( 11 th cranial nerve - runs deep to trapezius ) 2. dorsal ramus of spinal nerve 3. greater occipital nerve ( dorsal ramus of C2 - pierces semispinalis capitis ) 3. third occipital nerve 4. suboccipital nerve ( dorsal ramus of C1 - in the suboccipital triangle ) Arteries 1. transverse cervical artery superficial branch – runs with the spinal accessory nerve deep branch – runs with the dorsal scapular nerve 2. occipital artery – runs with the greater occipital nerve 3. vertebral – third part in the suboccipital triangle - grroves on the posterior arch of atlas Other structures 1. nuchal ligament ( attached to EOP to spinous process of C7 ) 2
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2. thoracolumbar fascia ( attached to the spines of thoracic and lumbar vertebrae ) 3. duramater ( outermost membrane covering of the spinal cord ) 4. denticulate ligament ( formed from the piamater from the level of C1 to L1 ) 5. spinal cord ( begins at the foramen magnum to lower border of L1 ) 6. conus medullaris ( conical ending of the spinal cord ) 7. cauda equina ( bunch of the nerve roots of the spinal cord from the conus medullaris ) 8. filum terminale ( pial element from the tip of the conus medullaris, attaches to Coc.1 9. dorsal roots ( arise from the posterior aspect of the spinal cord ) 10. ventral roots ( arise from the anterior aspect of the spinal cord ) 11. dorsal root ganglion ( located on the dorsal root ) 12. spinal nerve ( formed by the union of dorsal and ventral roots ) 13. dorsal ramus ( the smaller division of the spinal nerve ) 14. ventral ramus ( the larger division of the spinal nerve ) UPPER EXTREMITY Scapular region Muscles 1. deltoid ( forms the bulk of the shoulder ) 2. supraspinatus ( superior to the spine of the scapula ) 3. infraspinatus ( inferior to the spine of the scapula ) 4. teres minor ( attached to the lower part of the lateral border of scapula )
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This note was uploaded on 11/21/2011 for the course ANAT 1615 taught by Professor Samueldemons during the Fall '10 term at Life Chiropractic College West.

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ANAT 1615 Mercy Navis Gross Lab Notes - 1 Lab 1615...

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