Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password

Your email address is only used to allow you to reset your password. See 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.

ITM origins,insertions,actions

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

muscle
origin
insertion
action
scalenus anterior   transverse processes of cervical vertebrae C3-6   show Bilaterally-raise first 2 ribs during forced inspiration or assist neck flexion; Unilaterally-assists in lateral flexion of head to same side  
🗑
scalenus medius   transverse processes of cervical vertebrae C2-7   show Bilaterally-raise first 2 ribs during forced inspiration or assist neck flexion; Unilaterally-assists in lateral flexion of head to same side  
🗑
scalenus posterior   show to 2nd rib   Bilaterally-raise first 2 ribs during forced inspiration or assist neck flexion; Unilaterally-assists in lateral flexion of head to same side  
🗑
splenius capitis   show mastoid process of temporal bone, occipital bone   Bilaterally-extension of neck; Unilaterally-lateral flexion and rotation of head to same side  
🗑
show upper thoracic vertebrae T3-6   upper cervical vertebrae, transverse processes of C1,2,3   Bilaterally-extension of neck; Unilaterally-lateral flexion and rotation of head to same side  
🗑
rectus abdominis   pubic symphysis and crest   show flexion of trunk, supports compression of abdominal contents  
🗑
external oblique   show linea alba, pubis, anterior iliac crest   Bilaterally-flexion of trunk, compression of abdominal contents; Unilaterally-lateral flexion, rotation of trunk to opposite side  
🗑
internal oblique   inguinal ligament, anterior iliac crest, thoracolumbar aponeurosis   show Bilaterally-flexion of trunk, compression of abdominal contents; Unilaterally-lateral flexion, rotation of trunk to same side  
🗑
transverse abdominis   inguinal ligament, iliac crest, thoracolumbar aponeurosis, internal surface of costal cartilages of ribs 7-12   abdominal aponeurosis and linea alba, pubis   show
🗑
external intercostals (exterior surface of ribs)   between adjacent ribs   show elevate ribs in inspiration, maintains intercostal spaces  
🗑
internal intercoastals (interior surface of ribs)   between adjacent ribs   show elevate ribs in inspiration, maintains intercostal spaces  
🗑
innermost intercostals (dep to internal intercostals)   between adjacent ribs   between adjacent ribs   show
🗑
show first 3 lumbar vertebrae, lower 6 costal cartilages, xiphoid process of sternum   central tendon of the diaphragm (clover leaf shaped aponeurosis)   flattens central tendon and thus increases vertical diameter of thoracic cavity inspiration  
🗑
serratus posterior superior   caudal ligamentum nuchae, spinous processes of C7-T2   superior borders of 2,3,4,5 ribs   show
🗑
show spinous processes of T11, 12 and L1-3   inferior borders of last 4 ribs   draws ribs outward and downward conteracting the inward pull of the diaphragm during expiration  
🗑
quadratus lumborum   show 12th rib, transverse processes of lumbar vertebrae 1-4   lateral flexion of trunk or raises hip  
🗑
iliocostalis - erector spinae   (lateral layer) thoracolumbar aponeurosis, posterior ribs   show Bilaterally-extension of spine, Unilaterally-lateral flexion of spine  
🗑
longissimus - erector spinae   (middle layer) thoracolumbar aponeurosis, lumbar and thoracic transverse processes   cervical and thoracic transverse processes, mastoid process   show
🗑
spinalis - erector spinae   (medial layer) ligamentum nuchae, cervical and thoracic spinous processes   cervical and thoracic spinous processes, occipital bone   show
🗑
show cervical and thoraacic transverse processes   cervical and thoracic spinous processes, occipital bone (spans 3 to 6 vertebrae)   Bilaterally-extension of spine; Unilaterally-rotation to opposite side  
🗑
show sacrum, posterior superior iliac spine, transverse processes all vertebrae   spinous processes of all vertebrae, inswwerting 2 to 4 vertebrae above origin   Bilaterally-extension of spine; Unilaterally-rotation to opposite side  
🗑
rotatores-transversospinalis   show spinous processes of all vertebrae, inserting on vertebra directly above origin   Bilaterally-extension of spine, Unilaterally-rotation to opposite side  
🗑
interspinales-segmental--transversospinalis   show spinous process of vertebrae directly above origin   extension of spine  
🗑
intertransversarii-segmental-transversospinalis   transverse processes of cervical, lumbar and T10-12 vertebrae   show Unilaterally- extension of spine; Unilaterally-lateral flexion of spine  
🗑


   

Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
 
To hide a column, click on the column name.
 
To hide the entire table, click on the "Hide All" button.
 
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
 
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.

 
edit
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
Created by: mjjjmom
Popular Anatomy sets