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21 Cards in this Set

  • Front
  • Back
Trapezius
-Location: Superficial Back
-Function: Elevated, rotates and retracts scapula
-Innervation: Spinal Accessory Nerve
Latissimus Dorsi
(arises from thoracolumbar fascia)
-Location: Superficial Back
-Function: Extends, adducts (toward medial plane), and medially rotates the humerus
-Innervation: Thoracodorsal nerve
Thoracolumbar fascia
-Location: Superficial back, inferior to the L. dorsi
Rhomboid Major
-Location: Superficial Back, deep to the trapezius (inferior to rhomboid minor)
-Function: Retracts scapula and rotates it to depress glenoid cavity
-Innervation: Dorsal scapular nerve
Rhomboid Minor
-Location: Superficial bak, deep to the trapezius
-Function: Retracts scapula and rotates it to depress glenoid cavity
-Innervation: Dorsal scapular nerve
Levator Scapulae
-Location: Superficial Back, superior to trapezius (by neck)
-Function: elevates scapula and tilts its glenoid cavity inferiorly
-Innervation: Dorsal scapular nerve
Serratus Posterior Superior
Location: Intermediate back, deep to the rhomboids
Function: Respiration
Serratus Posterior Inferior
Location: Intermediate back, deep to latissimus dorsi
Function: Inspiration
Splenius capitis and cervicis
-Location: Intrinsic back(***innervated by dorsal primary rami)
-Function:
~Together: extend head and neck
~Alone: laterally flex neck an rotate head to side of active muscles
- Innervation: Posterior rami of spinal nerves (dorsal primary rami)
Ligamentum nuchae
-Location: Intrinsic back
-Function: Connects
Semispinalis capitis
-Location: Intrinsic back
-Function: Extends head and thoracic and cervical regions of vertebral columns, and rotates them contralaterally (medially)
-Innervation: Posterior rami of spinal nerves (dorsal primary rami)
Erector spinae: iliocostalis, longissimus, spinalis
-Location: Intrinsic back
-Function:
~Together: extend vertebral column and head
~Alone: flex vertebral column laterally
-Innervation: Posterior rami of spinal nerves (dorsal primary rami)
Transversospinalis (aka paravertebral)
-Location: Intrinsic back (no dissection)
-Innervation: Posterior rami of spinal nerves (dorsal primary rami)
Levator Scapulae
-Location: Superficial Back, superior to trapezius (by neck)
-Function: elevates scapula and tilts its glenoid cavity inferiorly
-Innervation: Dorsal scapular nerve
Serratus Posterior Superior
Location: Intermediate back, deep to the rhomboids
Function: Respiration
Serratus Posterior Inferior
Location: Intermediate back, deep to latissimus dorsi
Function: Inspiration
Splenius capitis and cervicis
-Location: Intrinsic back(***innervated by dorsal primary rami)
-Function:
~Together: extend head and neck
~Alone: laterally flex neck an rotate head to side of active muscles
- Innervation: Posterior rami of spinal nerves (dorsal primary rami)
Ligamentum nuchae
-Location: Intrinsic back
-Function: Connects
Semispinalis capitis
-Location: Intrinsic back
-Function: Extends head and thoracic and cervical regions of vertebral columns, and rotates them contralaterally (medially)
-Innervation: Posterior rami of spinal nerves (dorsal primary rami)
Erector spinae: iliocostalis, longissimus, spinalis
-Location: Intrinsic back
-Function:
~Together: extend vertebral column and head
~Alone: flex vertebral column laterally
-Innervation: Posterior rami of spinal nerves (dorsal primary rami)
Transversospinalis (aka paravertebral)
-Location: Intrinsic back (no dissection)
-Innervation: Posterior rami of spinal nerves (dorsal primary rami)