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behind/in back of.
located above/is larger.
located below/ is smaller.
the study of muscles.
What are the functions of the muscular system?
- -support of the muscular system.
- -production of body movements.
- -contouring the body.
- -involvement in the function of other body systems.
List and describe all the muscle types.
- -Voluntary/Striated: respond to commands regulated by will.
- -Involuntary/NonStriated: control various body functions, respond automatically.
- -Cardiac: heart muscle, only muscle of it's type in the human body, involuntary.
List and describe the parts of the muscle.
- -Origin: non-moving/fixed portion of the muscle, attached to bones or another fixed muscle.
- -Belly: midsection of the muscle, between two attached sections.
- -Insertion: the portion of the muscle joined to moveable attachments.
In what direction should muscles be manipulated?
from insertion to origin.
How does a muscle create movement?
through contraction (tightening) + expansion (relaxing).
According to the textbook, what are methods for muscle stimulation?
- -Electric Current
- -Light Rays
- -Heat Rays
- -Moist Heat
What is the term for the scalp?
What muscle covers the scalp?
What is the aponeurosis?
What muscles are attached by the aponeurosis?
the frontalis and occipitals.
List the ear muscles and their location relative to the ear.
- -Auricularis: front of the ear.
- -Auricularis Superior: above the ear.
- -Auricularis Posterior: behind the ear.
Located between the eyebrows, controls the eyebrows, drawing them in and downward.
Levator Palpebrae Superioris:
located above the eyelid, functions to raise the eyelid.
circles the eye socket and functions to close the eyelid.
located between the eyebrows across the bridge of the nose, draws down and wrinkles the area across the bridge of the nose.
circles the mouth and is responsbile for contracting, puckering and wrinkling the lips : kissing or whistling.
Quadratus Labii Superioris:
known as the levator/labii, lip, raises both the nostrils and the upper lip : expressing distaste.
Quadratus Labii Inferioris:
located below the lower lip, pulls lower lip down or to the side; expresses sarcasm.
located at the tip of the chin, pushes lower lip up and wrinkles the chin; expresses doubt.
located at the center of the mouth, draws mouth up and out : grinning.
located at the corners of the mouth, raises the angle of the mouth : snarling.
located below the corners of the mouth, draws corner of mouth down; expresses depression.
located outside the corners of the mouth, draws mouth up and back : laughing.
located between the jaws and cheek, compresses cheek, to release air outwardly : blowing.
located above and in front of the ear, performs both opening and closing the jaw : chewing(mastication).
covers the hinge of the jaw, aids in closing the jaw : chewing.
extends from the tip of the chin to the shoulders and chest, depresses the lower jaw and lip; expresses sadness.
extends along the side of the neck from the ear to the collar bone, caues head to move from side to side and up and down : nodding "yes" and "no".
Trapezius & Latissimus Dorsi:
covers back of neck and upper back; draws head back, rotates shoulder blades, controls swinging of arms.
Pectoralis Major and Minor:
extends across the front of chest, assist in swinging the arms.
located under the arm, helps in lifting the arm and breathing.
covers the shoulder, triangular-shaped, lifts the arma nd turns it.
primary muscle in front of the upper arm, raises the forearm, bends the elbow, turns palm of hand down.
extends the length of the upper arm to forearm, controls the forward movement of the forearm.
runs parallel to the ulna, turns the palm up.
runs across the front of the lower part of the radius and ulna, turns the palm of the hand downward/inward.
located mid forearm on inside of arm, bends the wrist and closes the fingers.
located mid forearm, outside the arm, straightens the fingers and wrist.
separate the fingers.
draws the fingers together.
causes the thumb to move toward fingers, gives the ability to make a fist or grasp.
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