joints

Question 1

Define flexion

Answer 1

angle of 2 bones is decreased by movement

Question 2

Define extension

Answer 2

straightning joint to vertical position

Question 3

Define abduction

Answer 3

away from the midline

Question 4

define adduction

Answer 4

toward the midline

Question 5

define circumduction

Answer 5

movement between head and articular cavity at distal end

Question 6

define pronation

Answer 6

radius crossed over ulna so palms is faced down

Question 7

define supination

Answer 7

movement brings the forearm into anatomical position

Question 8

define dorsal flexion

Answer 8

further flexion of ankle, decrease the angle

Question 9

define planatar flexion

Answer 9

extension of the foot at the ankle

Question 10

define inversion

Answer 10

turn the sole inward

Question 11

define eversion

Answer 11

turn the sole outward

Question 12

Name the three structural types of joints found in the body

Answer 12

• fibrous
• cartilaginous
• synovial

Question 13

give 3 examples of fibrous joints

Answer 13

• sutures in the skull
• syndesmoses
• interosseous

Question 14

give two examples of cartilaginous joints

Answer 14

• sternum to ribs
• intervertebral discs

Question 15

give an example of synovial joints

Answer 15

freely moveable joints

Question 16

what is a subtype of fibrous tissue

Answer 16

gomphosis

Question 17

Name the three functional types of joints found in the body

Answer 17

• synarthrosis
• amphiarthrosis
• diarthrosis

Question 18

List the 4 parts common to all synovial joints

Answer 18

• articular cartilage
• articular capsule
• joint cavity
• reinforcing ligaments

Question 19

6 synovial joints based on shape

Answer 19

• plane joint
• hinge
• pivot
• condylar
• saddle
• ball-and-socket

Question 20

example of hinge joint

Answer 20

humerus and ulna, uniaxial

Question 21

example of plane joint

Answer 21

nonaxial, carpals

Question 22

example of pivot joint

Answer 22

c1, c2
uniaxial

Question 23

example of condyle joint

Answer 23

metacarpals and phalanx
biaxial

Question 24

example of saddle joint

Answer 24

thumb metacarpal and carpal bone
biaxial

Question 25

example ball-and-socket

Answer 25

shoulder and hip
multiaxial

Question 26

Define the different angular movements of the body.

Answer 26

flexion/extension
abduction/adduction

Question 27

Define the different circular movements of the body.

Answer 27

rotation
circumduction

Question 28

what is a synarthrosis joint?

Answer 28

an immovable joint

Question 29

what is an amphiarthrosis joint?

Answer 29

slightly moveable joint

Question 30

what is a diathrosis joint?

Answer 30

freely moveable joint