Save
Upgrade to remove ads
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


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. 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
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

Muscles of Back

QuestionAnswer
Deltoid Origin: acromial end (clavicle), acromion process and spine (scapula) Insertion: deltoid tuberosity (humerus) Action: Abducts, flexes, extends, medial and lateral rot. Nerve Supply: Axillary (lateral shoulder)
Trapezius Origin: occipital bone(skull), C and T vertebrae Insertion: Acromial end(clavicle), acromion process and spine(scapula) Action: elevates, depresses, retracts scapula
Latissimus Dorsi Origin: T and L vertebrae, iliac crest (ilium) Insertion: Intertubercular groove(humerus) Action: Extends, adducts, medial rotates
Supraspinatus Origin: supraspinous fossa(scapula) Insertion:greater tubercle of humerus Action: abducts
Infraspinatus Origin: infraspinous fossa(scapula) Insertion: greater tubercle(humerus) Action: lateral rotation
teres minor Origin: lateral border (scapula) Insertion: greater tubercle(humerus) Action: lateral rotation Nerve Supply: axillary
teres major Origin:inferior angle(scapula) Insertion: intertubercular groove(humerus) Action: medial rotation
rhomboids Origin: C and T vertebrae Insertion: medial border (scapula) Action: elevates and retracts scapula
levator scapulae Origin: C vertebrae Insertion: medial border (scapula) Action: elevates, retracts scapula
superficial back arteries and veins axillary, subclavian
deep back arteries and veins axillary, subclavian, intercostal
subscapularis Origin: subscapular fossa (scapula) Insertion: lesser tubercle (humerus) Action: medial rotation
pectoralis major origin: clavicle, sternum, costal cartilage of ribs 1-6, insertion: intertubercular groove of humerus, action: flexes, medially rotates, and adducts shoulder
pectoralis minor origin: ribs 3-5, insertion: coracoid process of scapula, action: depresses scapula, elevates ribs,
serratus anterior origin: ribs 1-8, insertion: medial border of scapula, action: protracts scapula, nerve: long thoracic.
external intercostals origin: inferior border of rib, insertion: superior border of rib, action: elevates ribs, nerve: intercostal
internal intercostals origin: superior border of rib, insertion: inferior border of rib, action: depresses ribs, nerve: intercostal
rectus abdominis action: flexes vertebral column
external oblique action: flexes and rotates vertebral column
internal oblique action: flexes and rotates vertebral column
transversus abdominis action: compresses abdomen
iliocostalis action: extends vertebral column
longissimus action: extends vertebral column
spinalis action: extends vertebral column
Created by: bblonde
 

 



Voices

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:
Retries:
restart all cards