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Musclar system

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Which muscle is called the "prayer muscle"?
Sternocleidomastoid
What back muscle extends the head and elevates the shoulders?
Trapezius
Which muscle adducts the arm and draws the shoulder down and back?
Latissimus dorsi
What are the 3 types of muscle tissue?
Skeletal
Smooth
Cardiac
Is cardiac muscle voluntary or involuntary
Involuntary
Is smooth muscle voluntary or involuntary
Involuntary
Is skeletal muscle voluntary or involuntary
Voluntary
Muscle tissue constitutes how much of the total body weight?
40-50%
Kinesiology
Study of human movement
Extensibility
As one muscle group contracts, the opposing muscle group extends
Irritability
The ability of muscle tissue to receive and respond to stimuli
Elasticity
The ability of muscle tissue to return to its original shape when relaxing
Contractility
The ability of muscles to shorten and thicken or contract to produce movement
Through contractions, what 3 functions do muscles perform?
Motion
Maintain posture
Produce heat
Do muscles work by pushing or pulling on bones?
Pulling
How many muscles are in the human body?
About 600 (636)
If your arm is straight out and you return it to your body, this type of movement is called
Adduction
(ADD to the body)
The muscles that have the opposite actions of the prime mover are called
Antagonist
What kind of muscle tissue attaches to and moves bone?
Skeletal muscles
When muscles lift something upward (shrug shoulders) is called?
Elevation
When a muscle contracts, it physically gets
a. longer and thinner
b. shorter and thicker
Shorter and thicker
Where is cardiac muscle found?
Heart
What ORGAN SYSTEM allows the body to move?
Muscular system
Muscles are made of:
a. long, thin fibers
b. joints
c. tendons
d. ligaments
Long, thin fibers
In order to contract, muscle fibers need:
a. carbon dioxide
b. energy
c. water
Energy
Muscles contract after receiving a message from?
The brain and spinal cord
What function would involuntary muscle have in the body?
a. Moving the arm
b. Turning the head
c. Moving food through the digestive system
Moving food through the digestive system
Bones are attached to muscles by?
Muscles
The physiological characteristic that allows LIVING THINGS TO RESPOND TO STIMULI is?
Irritability
Which of these is not one of the 3 muscle tissues?
a. skeletal
b. smooth
c. myofibril
d. cardiac
Myofibril
Study of human movement?
Kinesiology
Muscles that can shorten and thicken or contract to produce movement are known as?
Contractility
As one muscle group contracts the opposing muscle group extends. This is called
Extensibility
Is cardiac muscle voluntary or involuntary?
Involuntary
Striated muscles are:
a. muscles that have bands
b. involuntary
c. do not have bands
d. found in the heart
Muscles that have bands
The only body tissue that can contract or shorten is:
Muscle tissue
When the body is straight with palms and toes facing up it is called?
Anatomical position
Turn a body part outward
Eversion
Lower something downward, like slouch shoulders
Depression
Palms of hand upward
Supination
Palms of hand downward
Pronation
What is the opposite of flexion?
Extension
What is the movement when a person brings 2 body parts into a straight line?
Extension
Lift up your leg and move it AWAY FROM THE MIDLINE OF THE BODY
Abduction
Twisting movment - turn shoulder right or left
Rotation
Decrease in size of muscle
Atrophy
Movement occurs only in shoulders and hip joints - when you do arm CIRCLES
Circumduction
(CIRC...)
Distal attachment of muscle on the bone
Insertion
What part of the muscle is between the origin and insertion - it covers immovable bone
Belly
When muscles contract, does the origin move toward or away from the insertion?
Away
What are spasmodic contractions of a muscle?
Cramps
How many attachments does a muscle have?
2
What part of the muscle is the proximal (closer) attachement on the immovable bone?
Origin
Muscles that are primarily responsible for an action
Primer mover
Muscles that aid the prime mover by contracting at the same time to be more effective
Synergist
When the bicep contracts to flex the forearm, the tricep does what?
Extends and is the antagonist
When a muscle relaxes, it gets
a. longer and thinner
b. shorter and thicker
Longer and thinner
Skeletal muscle is voluntary or involuntary
Voluntary
Voluntary muscle cells are:
a. smooth
b. striated
c. ciliated
d. branched
Striated
What is the ability of muscles to return to the original shape when relaxed?
Elasticity
Spasmodic contraction of a muscle
Cramp or spasm
Each muscle has how many attachments
2
What 3 muscles are used for arm movement?
Pectoralis major
Deltoid
Trapezius
Which of these are a pair or antagonistic muscles?
a. bicep & tricep
b. gluteus maximus & gastrocnemius
c. semitendinosus & deltoid
Bicep and tricep
The calf muscle is attached to the calcaneous (heel) by what?
Achilles tendon
What 2 muscles flex the lower leg?
Hamstring and gastrocnemius
What are the muscles of the hamstring group?
Bicep femoris
Semitendinosus
Semimembranosus
What are the muscles of the quadricep group?
Rectus femoris
Vastus medialis
Vastus lateralis
Vastus intermedius
What muscle is a synergist (helper) in both flexion and extension of the arm?
Deltoid
What motion is it when you lay on your back and lift your head up?
Flexion
What muscle do you use in a sit-up?
External oblique
What does the sternomastoid do?
Flexes head
Rotates head to sides
Elevated sternum when breathing
What does the tricep brachii do?
Extend forarm
What does the deltoid do?
Abducts the upper arm
What does the latissmus dorsi do?
Adducts arm
Draws shoulder down and back
Waht does the bicep brachii do?
Flex forearm
Supinate forearm and hand (rotates outward)
What does the trapezius do?
Extend head, elevate shoulders
What does the brachioradialis do?
Flex forearm
What does the gluteus maximus do?
Extend femur and rotate it outward
Give you a big booty
What does the extensor digitorum do?
Extend the phalanges
What does the external oblique do?
Rotate and flex the vertebral column
What does the pectoralis major do?
Adduct and rotates upper arm forward
What does the rectus abdominus do?
Flex vertebral column
Which of these do NOT flex the foot?
a. gastrocnemius
b. soleus
c. vastus medialis
d. tibialis anterior
Vastus medialis
What muscle on the thigh acts to extend the lower leg?
Quadriceps femoris
What type of muscle tissue controls breathing and digestion?
Smooth
What kind of muscle tissue never gets tired?
Cardiac
What kind of muscle tissue moves bones?
Skeletal
What kind of muscle tissue is found only in the heart?
Cardiac
What kind of muscle tissue controls voluntary movement?
Skeletal
What kind of muscle tissue reacts slowly and gets tired slowly?
Smooth
What kind of muscle tissue reacts quickly and gets tired quickly?
Skeletal
What kinds of muscle tissues are striated?
Skeletal and cardiac
What kind of muscle tissue is non-striated?
Smooth

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