Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/5

Click to flip

5 Cards in this Set

  • Front
  • Back
What is the origin of the spinalis (medial erector spinae) muscle?
Spinous processes at inferior vertebral (i.e. lumbosacral) levels
What are the two insertions of the spinalis (medial erector spinae) muscle?
THORACIS, CERVICIS, CAPITIS:
1) Spinous processes at superior vertebral (i.e. thoracocervical) levels
2) Base of cranium
What innervates the spinalis muscle?
Dorsal primary rami of spinal nerves C2-L3
What four arteries segmentally supply the spinalis muscle?
SEGMENTALLY:
1) deep cervical a.
2) posterior intercostal aa.
3) subcostal aa.
4) lumbar aa.
What are the main actions of the spinalis muscle?
Extends and laterally bends both trunk and neck