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.

Remove Ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

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

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

Logan-Tri 1 Anatomy

Deep Back Muscles(Actions, Innervation, etc)

Muscles by NameOriginInsertionActionSynergist muscles
splenius capitis inf. ligamentum nuchae, SP's of C7 - T4 mastoid process of the temporal bone, sup. nuchal line of occipital bone bilaterally- extend the neck, unilaterally- ipsilateral flexion and some ipsilateral rotation splenius cervicis, Semispinalis capitis
iliocostalis lumborum sacrum, ilium, sacrotuberous and posterior sacroiliac ligaments angles of lower 6 ribs acting bilaterally, extension and hyperextension of the spine; Longissimus Thoracis , Quadratus Lumborum
iliocostalis thoracis angles of lower 6 ribs angles of upper 6 ribs, TP of C7 acting bilaterally, extension and hyperextension of the spine; Iliocostalis Lumborum ,Longissimus Thoracis , Spinalis Thoracis , Semispinalis Thoracis
iliocostalis cervicis angles of ribs 3-6 TP's of C4-C6 acting bilaterally, extends and hyperextends the vertebral Splenius Cervicis, ,
longissimus thoracis TP's of L1-L5, deep TLF TP's of T1-T12, angles of ribs 9-10 acting unilaterally, extension of vertebral column and flexion to iliocostalis luborum, Iliocostalis thoracis, Quadratus Lumborum;
longissimus cervicis TP's of T1-T5 TP's and art. processes of C2-C6 acting unilaterally, laterally flexes the neck; acting Semispinalis capitis , [Semispinalis Cervicis ,
longissimus capitis TP's of T1-T5, art. processes of C4-C7 mastoid process of temporal bone acting bilaterally, extends and hyperextends head; acting Semispinalis capitis , spinalis capitis, Longissimus Cervicis
spinalis thoracis SP's of T11-L2 SP's of T1-T4 acting unilaterally, lateral flexion of the spine; acting Semispinalis Thoracis , Longissimus Thoracis , iliocostalis
semispinalis thoracis TP's of T6-T12 SP's of T1-T6 extends the spine and rotates it toward the opposite side; Longissimus Thoracis , Iliocostalis thoracis, Spinalis Thoracis
semispinalis cervicis TP's of T1-T6 SP's of C2-C7 acting bilaterally, extension and hyperextension of the cervical semispialis capitis, Splenius Cervicis, Iliocostalis Cervicis ,
semispinalis capitis TP's of C4-C6 occipital bone extnesion of lateral flexion of the neck and head, and rotates it splenius group, Semispinalis Cervicis ;
multifidus lumborum sacrum, ilium, deep surface of ES tendon SP's of L1-L5 acting unilaterally, lateral flexion and rotation to opposite side; rotators, Interspinales , [Intertransversarii groups
rotatores TP's of most vertebrae SP's of sup. vertebrae acting bilaterally, rotation of the spine to the opposite side; Intertransversarii , Interspinales , Multifidus
intertransversarii TP's of most vertebrae TP's of immediately sup. vertebra acting unilaterally, lateral flexion of the spine; acting interspinalis, rotators, Multifidus
levator costarum TP's of T7-T11 lower ribs, between angles of tubercles elevate the ribs (blank)
Created by: aholzer