joints

Question 1

what are the 2 functions of joints

Answer 1

1. gives skeleton mobility
2. holds skeleton together

Question 2

what are the 2 classifications of joints

Answer 2

1. structural
2. functional

Question 3

what are the 3 types of structural joint (material)

Answer 3

1. fibrous
2. cartilaginous
3. synovial

Question 4

what are the 3 types of functional joints (motion)

Answer 4

1. synarthrodial
2. amphiarthrodial
3. diathrodial

Question 5

fibrous joints are….

Answer 5

immoveable

Question 6

cartilaginous joints are…

Answer 6

slightly moveable

Question 7

what are joints held together by?

Answer 7

-ligaments (dense regular connective tissue)

Question 8

what are synovial joints

Answer 8

fluid-filled, synovial membrane lined joint cavity

Question 9

what does synarthodial mean

Answer 9

immoveable
-fibrous joints

Question 10

what does amphiathrodial mean

Answer 10

slightly moveable
-ligament. cartilage joints

Question 11

what does diathrodial mean

Answer 11

freely moveable

Question 12

what are the 6 types of diathrodial joints

Answer 12

1. gliding
2. hinge
3. pivot
4. condyloid
5. ball and socket
6. saddle

Question 13

example of gliding joint

Answer 13

carpals and tarsals

Question 14

example of hinge joint

Answer 14

elbow, knee, ankle

Question 15

example of pivot joint

Answer 15

proximal radial head with the ulna

Question 16

example of condyloid joint

Answer 16

radius and carpals (wrist)

Question 17

example of ball and socket joint

Answer 17

hip and shoulder

Question 18

example of saddle joint

Answer 18

found only at thumb

Question 19

Body Movements
flexion

Answer 19

bending of the head or vertebral column

Question 20

Body Movements
extension

Answer 20

posterior movement
motion toward the back of the body

Question 21

Body Movement
abduction

Answer 21

moving hand or limb away (laterally) from body

Question 22

Body Movement
Adduction

Answer 22

bring the limb or hand toward the body

Question 23

Body Movement
Circumduction

Answer 23

Circular movement

Question 24

Body Movement
rotation

Answer 24

twisting of head or body

Question 25

Body Movement Medial rotation

Answer 25

turning limb toward the midline

Question 26

Body Movement Lateral rotation

Answer 26

turning limb away from midline

Question 27

Body Movement Supination

Answer 27

turn the hand to the palm forward position

Question 28

Body Movement Pronation

Answer 28

turns the palm in the downward position

Question 29

Body Movement Dorsiflexion

Answer 29

moves the top of the foot toward the leg

Question 30

Body Movement Plantar flexion

Answer 30

lifts heel and points toes

Question 31

Body Movement Eversion

Answer 31

Moves the bottom of foot away from midline

Question 32

Inversion

Answer 32

faces the sole toward the midline

Question 33

Body Movement Protraction

Answer 33

pushes the chin forward

Question 34

Body Movement Retraction

Answer 34

pulls the chin back

Question 35

Body Movement Depression

Answer 35

opens the mouth

Question 36

Body Movement Elevation

Answer 36

closes the mouth

Question 37

Body Movement Opposition

Answer 37

brings the tip of thumb to the fingers of the same hand

Question 38

how are joints named

Answer 38

the 2 adjacent bones Bone 1+ o+ bone 2

Question 39

3 ways joints are named

Answer 39

superior to inferior anterior to posterior lateral to medial