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

Ch. 8 Muscules

What is the amount of oxygen needed to support the conversion of lactic acid to glucose and ADP to ATP? Oxygen Debt
What happens when there is a lack of Oxygen to form ATP which is needed to remove the Calcium back to the sarcoplasmic reticulum and release the actin and myosin? Muscle cramp
Which muscles elevate the eyebrows? frontalis and occipitalis
Which muscles help with situps? external obliques and rectus abdominus
Which muscle makes you smile? zygomaticus
Which muscle compresses your cheeks to help you blow up a balloon or play a wind instrument? buccinator
Which muscle closes your eyelids for winking and blinking? orbicularis oculi
Which muscles are considered the hamstrings? semitendonosis and semimembraneosis
Which muscles extend the leg at the knee? rectus femoris, vastus lateralis, and vastus medialis
Which muscle helps you to pucker up? orbicularis oris
Which muscle helps you to hold your humerous in place? infrapinatus
What are the functions of the muscular system? movement, peristalsis, vasodilation/vasoconstriction, heart pumping, heat
What is the rhythmic, wavelike motion produced by smooth muscles in tubular visceral organs? peristalsis
What are the characteristics of smooth muscle contractions? slower/longer, more hormones, inhibit and stimulate, stretch with out pressure loss, involuntary
What are the characteristics of cardiac muscle contractions? only in heart, stores Ca differently, longer twitches, self exciting, rhythmic, involuntary
What are the characteristics of skeletal muscle contractions? for movement, depends on joint and attachment, works as groups, voluntary
Define and explain muscle fatigue. When a muscle loses its ability to contract during exercise due to buildup of lactic acid in the muscle.
Created by: ebickley



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:
restart all cards