MUSCULAR SYSTEM

Question 1

3 types of muscle?

Answer 1

• cardiac
• smooth
• skeletal

Question 2

describe the appearance of the skeletal muscle

Answer 2

striped

Question 3

how does a skeletal muscle create movement?

Answer 3

they attach to the bones via tendons and they contract changing shape which pulls the bones

Question 4

where is the cardiac muscle?

Answer 4

in the walls of the heart

Question 5

is the cardiac muscle involuntary or voluntary?

Answer 5

involuntary.

Question 6

what does the contraction of the cardiac muscle cause?

Answer 6

allows blood to be forced through the heart

Question 7

where are smooth muscles located?

Answer 7

within the walls of the digestive system

Question 8

is the smooth muscle involuntary or voluntary?

Answer 8

involuntary (like the cardiac muscle)

Question 9

what type of muscle is least resistant to fatigue?

Answer 9

skeletal muscles

Question 10

what is the name of the major skeletal muscle located on top of the thigh?

Answer 10

Quadricep

Question 11

what is the name of the major skeletal muscle located on the back of the upper arm

Answer 11

tricep

Question 12

what is the name of the major skeletal muscle found on the front of the shin

Answer 12

Tibialis anterior

Question 13

what is the name of the muscle located on the front of the upper arm?

Answer 13

bicep

Question 14

what is the name of the muscle located on the front of the hip

Answer 14

hip flexors

Question 15

name four muscles found in the wrist

Answer 15

• wrist flexor
• extensor
• supinator
• pronator

Question 16

what is the name of the large calf muscle

Answer 16

gastrocnemius

Question 17

what is the small below the gastrocnemius called?

Answer 17

soleus

Question 18

what is the muscles on the buttocks called

Answer 18

gluteals

Question 19

what muscle is located at the top of the back and is triangular in shape?

Answer 19

Trapezius

Question 20

what part of the muscle is known as the origin

Answer 20

the fixed end of the muscle that stays stationary

Question 21

what part of the muscle is known as the intersection

Answer 21

the end of the muscle that moves

Question 22

what is the role of the agonist

Answer 22

it is the prime mover. is responsible for the movement

Question 23

what is the role of the antagonist?

Answer 23

is responsible for the opposite movement

Question 24

the angonistic pairs at the elbow are?

Answer 24

bicep and tricep

Question 25

the agonistic pairs at the knee are?

Answer 25

Quadriceps and hamstrings

Question 26

the agonistic pairs at the ankle are?

Answer 26

Gastrocnemius and tibialis anterior

Question 27

what are the agonistic pairs at the hip?

Answer 27

hip flexors and gluteals

Question 28

what is the role of the fixator muscle?

Answer 28

contracts to prevent unwanted movement

Question 29

what is the role of the synergist muscle

Answer 29

muscles that work together to help the agonist work more effectively

Question 30

name two types of contractions

Answer 30

- isotonic - isometric

Question 31

describe an isometric contraction

Answer 31

where a muscle is contracting with no movement

Question 32

an example of an isometric contraction is

Answer 32

the plank or a wall sit

Question 33

what are the two sub-categories within a isotonic contraction

Answer 33

- eccentric - concentric

Question 34

how does the shape of a muscle change between a concentric and eccentric contraction

Answer 34

ECCENTRIC: long & thin CONCENTRIC: short & fat

Question 35

which contraction is often referred as the downwards phase?

Answer 35

Eccentric

Question 36

in the upwards phase of a bicep curl, what muscle is contracting concentrically?

Answer 36

Bicep

Question 37

in the downwards phase of a bicep curl, what muscle is contracting eccentrically

Answer 37

bicep

Question 38

state three different types of fibre

Answer 38

- type 1 - type 2a - type 2x

Question 39

what is the name of the type 2x fibres

Answer 39

fast twitch, glycolytic

Question 40

what is the name given to the type 2a fibres

Answer 40

fast twitch, oxidative

Question 41

true or false. type 1 fibres are most resistant to fatigue

Answer 41

true!