chapter 8: Diarthroses

Question 1

how movable are Diarthroses?

Answer 1

freely movable “synovial” joints

Question 2

space separates articulating bones

Answer 2

synovial cavity

Question 3

hyaline cartilage covers surface of articulation (epiphysis), reduces friction

Answer 3

articular cartilage

Question 4

sleeve encloses synovial cavity and unites bones

Answer 4

articular capsule

1.outer fibrous
2.inner synovial membrane

Question 5

provide extra strength inside and outside capsule

Answer 5

accessory ligament

Question 6

give an example of an accessory ligament

Answer 6

anterior cruciate ligament of knee

Question 7

pads of fibrocartilage between bone surfaces and shaped to fit

Answer 7

articular discs (menisci)

Question 8

fluid-filled sacs inside synovial cavity to reduce high friction stress points

Answer 8

bursae

Question 9

carpals and tarsals

Answer 9

plane/gliding joint

Question 10

knee, elbow, ankle

Answer 10

hinge joint

Question 11

atlas on axis

Answer 11

pivot joint

Question 12

metacarpals meet phalanges

Answer 12

condyloid joint

Question 13

thumb

Answer 13

saddle joint

Question 14

shoulder and hip

Answer 14

ball and socket joint