Joints

Question 1

What are the three types of joints?

Answer 1

• fibrous
• cartilaginous
• synovial

Question 2

What is a fibrous joint?

Answer 2

Present as sutures in the skull or syndesmoses between two areas of bone

Question 3

What is a cartilaginous joint?

Answer 3

• type of joint where the bones are entirely joined by cartilage

Question 4

What are synovial joints?

Answer 4

wide range of movement
locomotion
Characterised by the presence of:
- synovial membrane
- fibrous joint capsule
- articular surfaces
- synovial fluid
- ligaments
- meniscus/menisci

Question 5

what movement does a condylar joint do and give an example?

Answer 5

• convex surface which fits on to a concave surface to allow flexion and extension
• stifle

Question 6

what movement does a ellipsoidal joint do and give an example?

Answer 6

• sliding
• radiocarpal joint

Question 7

what movement does a hinge joint do and give an example?

Answer 7

• in one plane
• elbow

Question 8

what movement does a pivot joint do and give an example?

Answer 8

• rotational
• atlanto-axial joint (rotational movement of the head); radius and ulna
• c1 and c2

Question 9

what movement does a plane joint do and give an example?

Answer 9

• sliding
• between carpal and tarsal bones

Question 10

what movement does a saddle joint do and give an example?

Answer 10

• It is a joint elevation that appears like a saddle
• phalanges

Question 11

what movement does a spheroidal (ball and socket) joint do and give an example?

Answer 11

• rotational
• hip (between femur and acetabulum)

Question 12

what is a menisci joint?

Answer 12

• disc of fibrocartilage in the cartilaginous joint
• between two articular surfaces
• aids smooth joint movement
• shock absorbers