Bones, Cartilage and Joints

Question 1

What is a joint?

Answer 1

articulation between two adjacent parts of skeleton

Question 2

What does a joint do?

Answer 2

provides skeleton with mobility and locomotion

Question 3

What are the 3 main types of joints?

Answer 3

fibrous, cartilagenous, synovial

Question 4

Fibrous joints have what sort of mobility?

Answer 4

limited

Question 5

What are the 2 types of fibrous joint?

Answer 5

syndesmoses and sutures

Question 6

What is moulding?

Answer 6

fontanelles of babies head overlap for passage through birth canal

Question 7

What sort of mobility does cartilaginous joints have?

Answer 7

fairly limited

Question 8

Name a primary and secondary cartilaginous joint

Answer 8

synchondroses primary and symphyses secondary

Question 9

What is a slipped femoral epiphyses?

Answer 9

when the head of the femur ball part moves away from actual femur

Question 10

What is a slipped disc?

Answer 10

disc moves out from between vertebrae and puts pressure on spine

Question 11

articular surfaces of synovial joints are covered in what?

Answer 11

Hyaline cartilage

Question 12

What wraps around a synovial joint?

Answer 12

capsule

Question 13

What is a synovial joint associated with?

Answer 13

bursae

Question 14

What is subluxation?

Answer 14

reduced area of contact between articular surfaces

Question 15

What is dislocation?

Answer 15

complete loss of contact between articular surfaces

Question 16

What is hyper mobility?

Answer 16

where joints are more flexible than normal

Question 17

Name the 9 common dislocations?

Answer 17

knee, elbow, hip, pubic symphesis, shoulder, ankle, tamporomandibular, cranialvertebral, interphalangeal

Question 18

What is joints nerve and vascular supply like?

Answer 18

rich vascular and sensory nerve supply

Question 19

What happens in a dislocation of the TMJ?

Answer 19

head of the condylar process of mandibular gets suck anteriorly to articular tubercle of temporal bone