Save
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
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

BIO 117

Muscular System (Major Muscles of the body)

MuscleLocation, DescriptionFunction
Orbicularis oculi circular muscle around eye closes eyes; winking, blinking, and squinting
Levator palpebrae superioris origin on bony orbit of eye; inserts on upper eyelid Elevates eyelid (opens eye)
Orbicularis oris Encircles mouth closes, purses lips; kissing muscle
Buccinator Horizontal cheek muscle; origin on maxilla and mandible; inserts on orbicularis oris flattens cheeks; trumpeter's muscle; whistling muscle; helps with chewing by positioning food between teeth
Zygomaticus Origin on cheekbone; inserts on corner of mouth elevates corner of mouth; smiling muscle
Platysma Origin in fascia of shoulder and anterior chest; inserts on mandible, angle of lower mouth, soft tissue of lower face pouting muscle; "open your mouth wide" muscle
Temporalis flat fan-shaped muscle over temporal bone (origin); inserts on mandible closes jaw; retracts jaw
Masseter covers lateral part of lower jaw; origin on maxilla, zygomatic process of the temporal bone; inserts on mandible closes jaw; retracts jaw
Sternocleidomastoid extends along each side of neck; strong narrow muscles that extend obliquely from sternum and clavicle; origin upward to mastoid process of temporal bone (insertion) contraction of both muscles flexes the head at the neck; contraction of one rotates head toward opposite side
Trapezius large, flat, trapezoid-shaped muscle on back of neck and upper back; origin on occipital bone, C7, and all thoracic vertebrae; inserts on clavicle and scapula hyperextends head so as to look up in the sky; lateral flexion of head
Scalenes Origin on cervical vertebrae (C1-C7); insert on rib 1 and 2 act synergistically with sternocleidomastoid to flex neck
Frontalis Flat muscle covering forehead; origin on cranial aponeurosis; inserts on skin above eyebrows Raises eyebrows; surprised look; wrinkles forehead
Created by: Ekane34
Popular Biology sets

 

 



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