Save
Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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

Chapter 10

The Muscular System

QuestionAnswer
what is the prime mover of elbow flexion? brachioralis
what is a prime mover? responsible for producing movement
what is an antagonist? reverses movement
what is a fixator? it immobilizes bone & give prime mover stable base
a synergist: adds extra force to undesirable movement
synergists helps the___ prime mover
what is the criteria for naming skeletal muscles? number of origins, location of attachments, muscle action, shape, location, size & direction of muscle fibers
when naming muscles based on location of attachments, the ___ is named first origin
in your body, your joints are the ___ and your bones act as ___ fulcrums, levers
the arrangement of fascicles determine: muscles power & ROM
skeletal muscles are arranged in opposing groups across body joints so one group can: modify the action of the other
buccinator compresses cheek (whistling & sucking)
orbicularis oris closes lip (kissing)
zygomaticus major & minor smiling muscle
orbicularis oculi closes eye (blinking & squinting)
masseter prime mover of jaw, elevates mandible
depressor anguli oris drops mouth down
temporalis closes jaw, elevates & retract mandible
the digastric and mylohyoid are responbsible for : moving the tongue
medial & lateral pterygoid moves jaw side to side (grinding teeth)
scalenes elevates first 2 ribs & flex and rotate neck
rhomboid major & minor pulls shoulder blades together
sternocleidomastoid flexes and laterally rotate head
internal intercostals draw ribs together
external intercostals pulls ribs towards one another, elevates rib cage
transverse abdomonis compress abdominal contents
the masseter & temporalis are responsible for: chewing
trapezius shrugs the shoulder
internal & external intercostals are your: breathing muscles
gluteus maximus extends the thigh
gluteus medius & minimus abducts the thigh
piriformis abducts the thigh
latissimus dorsi brings arm back
brachialis flex the elbow
coracobrachialis abducts the arm
flexor carpi radialis flexes wrist
triceps brachii extends elbow
biceps brachii flexes elbow
extensor digiti minimi extends pinky
extensor pollicis longus extends thumb
abductor pollicis longus abducts thumb
most powerful muscle in body? recus femoris
in muscular contraction, speed and length is influenced by: muscle fiber type, load and recruitment
smooth muscles can contract by: nerves, hormones & chemicals
calcium binds with ___ in smooth muscle calmodulin
Created by: Mariahj25
 

 



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