joints

Question 1

what is the definition of a joint?

Answer 1

functional junctions between bones

Question 2

what do joints do?

Answer 2

they bind parts of the skeletal system and allow it to move in response to skeletal muscle contractions

Question 3

what is the functional classification of a immovable joint?

Answer 3

synarthroses

Question 4

what is the functional classification of a slightly moveable joint?

Answer 4

amphiarthroses

Question 5

what is the functional classification of a freely moveable joint?

Answer 5

diarthroses

Question 6

what does syn- mean?

Answer 6

together

Question 7

what does amph- mean?

Answer 7

both sides or surrounding

Question 8

what does dia- mean?

Answer 8

through or across

Question 9

what does articular cartilage do in joints?

Answer 9

reduces friction and helps absorb shock

Question 10

what are the 3 functional classifications of joints?

Answer 10

synarthroses, amphiarthroses, diarthroses

Question 11

what are the 3 structural classifications of joints?

Answer 11

fibrous, cartilaginous, synovial

Question 12

_______ joints lie between bones that are closely connected

Answer 12

fibrous

Question 13

the structural classification of joints that are non moveable

Answer 13

fibrous joints

Question 14

bones in fibrous joints are only separated by __________________

Answer 14

dense connective tissue

Question 15

sutures, gomphosis, and syndesmoses are an example of which type of joint?

Answer 15

fibrous joints

Question 16

where can you find sutures?

Answer 16

between skull bones

Question 17

a cone-shaped peg fits in a socket, or roots of teeth in maxilla and mandible?

Answer 17

gomphosis

Question 18

what is syndesmoses?

Answer 18

like a suture, but more fibrous tissue

Question 19

where are syndemoses found?

Answer 19

radius and ulna, tibia and fibula

Question 20

what are cartilaginous joints?

Answer 20

joints connected by hyaline cartilage/fibrocartilage

Question 21

what is the name of a structural joint that allows limited movement?

Answer 21

cartilaginous joints

Question 22

what is an example of a cartilaginous joint?

Answer 22

fibrocartilage between vertebrae

Question 23

synchondrosis and symphysis are types of ____________ joints

Answer 23

cartilaginous

Question 24

what is synchondrosis?

Answer 24

hyaline cartilage connecting bones

Question 25

what is symphysis?

Answer 25

broad, flat discs of fibrocartilage

Question 26

where can you find synchondrosis?

Answer 26

epiphyseal plates and 1st rib to sternum

Question 27

where can you find symphysis?

Answer 27

intervertebral joints and pubic symphysis

Question 28

most joints in the skeletal system are what kind of joints?

Answer 28

synovial joints

Question 29

what is the structural classification of joints that allow free movement?

Answer 29

synovial joints

Question 30

synovial joints contain a cavity filled with ___________

Answer 30

synovial fluid

Question 31

synovial joints feature which kind of cartilage?

Answer 31

articular cartilage

Question 32

what does articular cartilage do?

Answer 32

absorbs compression forces at joint and prevent ends of bones from being worn down

Question 33

what is a fibrous articular capsule?

Answer 33

it is formed by dense irregular CT to withstand pulling in all directions

Question 34

reinforcing ligaments and having nerves and blood vessels is a feature of which joint?

Answer 34

synovial joint

Question 35

what are the two structures of a synovial joint?

Answer 35

bursae and tendon sheath

Question 36

what is a bursae?

Answer 36

a flattened fibrous sac

Question 37

what is a tendon sheath?

Answer 37

elongated bursa that wraps around a tendon

Question 38

what is a common trait in both bursae and tendon sheath?

Answer 38

both further reduce friction at the joint

Question 39

in which way does a hinge joint move?

Answer 39

back and forth

Question 40

what kind of body parts are pivot joints?

Answer 40

atlas and axis, radius and ulna

Question 41

where is a saddle joint found?

Answer 41

in the thumb

Question 42

what is a condyloid joint?

Answer 42

an elliptical shaped joint cavity

Question 43

what kind of movement is not possible in a condyloid joint?

Answer 43

rotational

Question 44

what is an example of a ball and socket joint?

Answer 44

shoulder and hip

Question 45

what kind of movement occurs at a ball and socket joint?

Answer 45

movement occurs in all planes

Question 46

what type of surface is a gliding joint?

Answer 46

flat surface

Question 47

which type of synovial joint is the least moveable?

Answer 47

gliding joint

Question 48

where is a gliding joint found?

Answer 48

between carpals, tarsals, and vertebral processes

Question 49

where are condyloid joints found?

Answer 49

radius, carpal, metacarpals, phalanges, occipital bone, and atlas

Question 50

flexion

Answer 50

decreasing the angle between two bones or parts

Question 51

extension

Answer 51

increasing the angle between two bones or parts

Question 52

supination

Answer 52

to move palm up

Question 53

pronation

Answer 53

to move palm down

Question 54

abduction

Answer 54

to move away from the midline

Question 55

adduction

Answer 55

to move towards the midline

Question 56

circumduction

Answer 56

a sequence of movements in which one end inscribes a circle

Question 57

dorsiflexion

Answer 57

point toes up

Question 58

plantarflexion

Answer 58

point toes down

Question 59

inversion

Answer 59

sole of foot facing medially

Question 60

eversion

Answer 60

sole of foot facing laterally

Question 61

elevation

Answer 61

to raise a part

Question 62

depression

Answer 62

to lower a part

Question 63

protraction

Answer 63

to move a part forward

Question 64

retraction

Answer 64

to move a part backward

Question 65

what are the two types of joint inflammation?

Answer 65

bursitis and tendonitis

Question 66

what is bursitis?

Answer 66

inflammation of a bursa usually caused by a blow or friction

Question 67

what is tendonitis?

Answer 67

inflammation of tendon sheaths or tears in tendon

Question 68

what is a sprain/strain?

Answer 68

a torn ligament or tendon

Question 69

what is a dislocation?

Answer 69

a bone displaced from socket

Question 70

what are the two types of arthritis?

Answer 70

osteoarthritis and rheumatoid arthritis

Question 71

what is rheumatoid arthritis?

Answer 71

autoimmune system attacks the joints

Question 72

what symptoms begin with rheumatoid arthritis?

Answer 72

inflammation of certain joints, that often lead to deformities

Question 73

what is osteoarthritis?

Answer 73

degeneration of articular cartilage

Question 74

what is osteoarthritis related to?

Answer 74

normal aging process

Question 75

what is the most common type of arthritis?

Answer 75

osteoarthritis