Lecture 15 - Musculoskeletal Thoracic Limb 2

Question 1

Fibrous joint

Answer 1

fibrous connective tissue

Question 2

Cartilaginous joint

Answer 2

cartilage

Question 3

Synovial joint

Answer 3

cavity between bones surrounded by an articular capsule

Question 4

Synarthrosis

Answer 4

no movement

Question 5

Amphiarthrosis

Answer 5

slight movement

Question 6

Diarthrosis

Answer 6

free movement

Question 7

examples of fibrous joints

Answer 7

skull sutures and gomphosis

Question 8

examples of cartilaginous joints

Answer 8

growth plate and pubic symphysis

Question 9

What are the two types of cartilage in cartilaginous joints

Answer 9

hyaline and fibrocartilage

Question 10

components of synovial joint

Answer 10

articular cartilage and capsule, joint cavity, synovial fluid

Question 11

what holds synovial joints together

Answer 11

ligaments

Question 12

T/F: articular cartilage is avascular

Answer 12

true

Question 13

what are the two membranes of the articular capsule

Answer 13

outer fibrous capsule and inner synovial membrane

Question 14

what does the synovial capsule contain

Answer 14

blood vessels, lymphatics, nerves

Question 15

what is the job of synovial fluid

Answer 15

• lubricates joint
• aids in shock absorption
• supplies nutrients/removes waste

Question 16

What are the 7 types of synovial joint classification

Answer 16

1. saddle
2. hinge
3. pivot
4. bicondylar
5. ellipsoid
6. plane
7. ball and socket

Question 17

what is the classification of the glenohumeral joint

Answer 17

synovial (ball and socket); diarthrosis

Question 18

T/F; mobility comes at the expense of stability

Answer 18

True

Question 19

what deepens the glenoid cavity

Answer 19

the glenoid labrum via attachment to the rim

Question 20

Why is the elbow a “complex” joint

Answer 20

composed of three joints within one articular capsule

Question 21

What is the primary job of the:

humeroradial joint

Answer 21

weight bearing

Question 22

What is the primary job of the:

humeroulnar joint

Answer 22

restricts sagittal deviations

Question 23

What is the primary job of the:

proximal radioulnar joint

Answer 23

limited rotation of radius on ulna

Question 24

What is the primary job of the:

medial and lateral collateral ligaments (elbow)

Answer 24

restrict rotation and stabilize

Question 25

Antebrachiocarpal joint

Answer 25

ulna/radius + carpal

Question 26

middle carpal joint

Answer 26

proximal and distal carpal bones

Question 27

intercarpal joint

Answer 27

carpal bones of the same row

Question 28

carpometacarpal joint

Answer 28

distal carpal and proximal metacarpal

Question 29

metacarpophalangeal joint

Answer 29

distal metacarpal and proximal phalanges