Musculoskeletal System

Question 1

What are the 3 bones in the arm?

Answer 1

humerus, radius, ulna

Question 2

Which bone is at the top in the lower arm?

Answer 2

radius at the top, ulna at the bottom

Question 3

What are the 3 major bones in the legs?

Answer 3

Femur, tibia, fibula

Question 4

What protects the knee?

Answer 4

patella

Question 5

Which is the bigger bone in the lower leg?

Answer 5

tibia is the big one, the fibula is the small one

Question 6

Which bones join at the ankle joint?

Answer 6

tibia, fibula and talus

Question 7

What is the function of long bones?

Answer 7

gross movement

Question 8

What is an example of a long bone?

Answer 8

femur

Question 9

What is the function of short bones?

Answer 9

fine movement

Question 10

What is an example of short bones

Answer 10

carpals and metacarpals

Question 11

How do muscles attach to bone?

Answer 11

tendons attach muscles to bone

Question 12

What are 2 types of joints?

Answer 12

hinge, ball and socket

Question 13

What is the function of flat bones?

Answer 13

protection

Question 14

What is an example of a flat bone?

Answer 14

ribs

Question 15

What are the 6 functions of the skeleton?

Answer 15

support, protection, movement, shape, mineral storage, blood cell production

Question 16

What is the function of the synovial capsule?

Answer 16

To enclose and protect the joint

Question 17

What is the function of the synovial membrane?

Answer 17

production of synovial fluid

Question 18

What is the function of the synovial fluid?

Answer 18

lubricate the joint

Question 19

What happens to synovial fluid when it is warmer?

Answer 19

it becomes more lubricating and allows the joint to move more easily and freely

Question 20

What is the function of cartilage?

Answer 20

They cushion the bones and protect the bones from rubbing against one another

Question 21

Where is the cartilage found?

Answer 21

at the end of the bones

Question 22

What is the function of ligaments?

Answer 22

to stablise joints

Question 23

What are bursae?

Answer 23

fluid filled sacs

Question 24

What is the function of bursae?

Answer 24

Prevent damage to the bones

Question 25

What 2 bones join to make the shoulder joint?

Answer 25

scapula and humerus

Question 26

What type of joint is the ankle?

Answer 26

hinge

Question 27

What types of movement takes place at the ankle?

Answer 27

plantar flexion and dorsiflexion

Question 28

What is the difference in plantar flexion and dorsiflexion?

Answer 28

plantar flexion is when the toes point away from the shin and dorsiflexion is when the toes point toward the shin

Question 29

What types of movements are possible at ball and socket joints?

Answer 29

flexion, extension, abduction, adduction, circumduction

Question 30

What is the difference in adduction and abduction?

Answer 30

abduction is away from the midline of the body and adduction is toward the midline of the body

Question 31

Where do you find the sternocleidomastoid?

Answer 31

in the neck

Question 32

What are antagonistic pairs?

Answer 32

2 muscles which contract to produce opposite movements

Question 33

What are the 2 muscles in an antagonistic pair?

Answer 33

agonist, antagonist

Question 34

What is the difference between an agonist and an antagonist?

Answer 34

in a movement where one of the muscles in contracting, it is the agonist and the other muscle which is relaxing to allow the movement to take place is the antagonist.`

Question 35

What are the 2 main types of contractions?

Answer 35

isotonic and isometric

Question 36

What is an isotonic contraction?

Answer 36

A contraction in which the muscle changes length

Question 36

What is an isometric contraction?

Answer 36

A contraction in which a muscle does not change length

Question 37

What are isometric contractions mostly used for?

Answer 37

Holding a position on balancing

Question 38

What are the two type of isotonic contractions?

Answer 38

concentric and eccentric

Question 39

what is a concentric contraction?

Answer 39

muscle shortening under tension

Question 40

What is an eccentric contraction?

Answer 40

muscle lengthens under tension

Question 41

What happens to the joint angle in a concentric contraction?

Answer 41

the joint angle decreases

Question 42

What happens to the insertion in a concentric contraction?

Answer 42

the insertion moves towards the origin

Question 43

What happens to the joint angle in eccentric contractions?

Answer 43

joint angle increases

Question 44

What happens to the insertion in an eccentric contraction?

Answer 44

the insertion moves away from the origin`

Question 45

What is the muscle acting as in an eccentric contraction?

Answer 45

a brake