Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Back Layer 6

semispinalis thorisis OI O: TP T7-T12 I: SP T6-T4
Semispinalis Cervicis OI O:TP T1-T5 Articular process c4- C7 I: SP C2-C5
Semispinalis Capitis OI O: TP C7-T6, articular process C4-C6 I: Occipital bone between inferior and superior nuchal lines
Actions of semispinalis muscles? B/L extension of spine and head. U/L contralateral rotation, ipsilateral lateral flexion
Semispinalis innervation? dorsal rami of spinal nerves in area
Multifidus Lumborum OI O: Sacram, down to S4, illiac crest, psis, L1-L5 mamillary process I: SP of vertibrae 3-4 levels above
Multifidus thoricis OI O: TP T1-T12 I: SP of 3-4 vertibrae above
Multifidus cervicis OI O: Articular process C4-C7 I: SP C2
Innervation of multifidus muscles? dorsal rami of nerves in area
Action of multifidus? B/L spinal ext. and stabilization. U/L ipsilateral lateral flexion, contralateral rotation
Where are rotatores longus and brevis muscles usually seen? Thoracic spine, lots of rotation
Origin of Rotatores muscles? TP of all vertibrae
Insersion of rotatores? SP of 1-2 segments above for brevis and longus respectively
Action of Rotatores muscle? B/L spinal ext., U/L contralateral rotation
Levator costarum longus and brevis Origin? TP of thoracic spine
Insertion of levator costarum longus and brevis? Superior border of ribs 2 below or 1 below, respectively
Action of levator costarum muscles Elevate ribs
All of the muscles in this set, semispinalis, multifidus, rotatores, and levator costarum muscles are what layer and intrinsic or extrinsic? Layer 6, deep intrinsic
What muscles make up the transversospinalis group? Semispinalis, multifidus and rotatores muscles
What 4 muscles originate from the transverse processes? Semispinalis, multifidus, rotatores longus and brevis muscles
Created by: hopper



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards