Joints

Question 1

What is another name for immovable joints?

Answer 1

Fibrous

Question 2

What are immovable joints?

Answer 2

segments of bone are fused together (ex. skull)

Question 3

What is another name for limited motion joints?

Answer 3

Cartilaginous

Question 4

What is an example of a limited motion joint?

Answer 4

Vertebrae

Question 5

What is a synovial joint?

Answer 5

A fluid-filled space between smooth cartilage pads at the end of articulating bones

Question 6

What is the function of a synovial joint?

Answer 6

reduces friction
allows bones to move freely

Question 7

What are the three main parts of a synovial joint?

Answer 7

Joint capsule
Cartilage
Synovial fluid

Question 8

How many types of synovial joints are there?

Answer 8

6

Question 9

What are the types of synovial joints?

Answer 9

Plane, hinge, pivot, condyloid, saddle, ball and socket

Question 10

What synovial joint has the least mobility?

Answer 10

Plane joints

Question 11

What synovial joint has the most mobility?

Answer 11

Ball and socket joints

Question 12

Examples of ball and socket joints

Answer 12

Shoulder and hip

Question 13

How many axes can ball and socket joints move along?

Answer 13

3

Question 14

Examples of hinge joints

Answer 14

Ankle, elbow, knee

Question 15

How many axes can hinge joints move along?

Answer 15

1 (flexion and extension)

Question 16

What bone acts as a lever for the shoulder muscles?

Answer 16

Humerus

Question 17

What muscle straightens the arm (extensor)?

Answer 17

Tricep

Question 18

Muscles that bend the arm (flexor)?

Answer 18

Bicep

Question 19

What is a joint capsule?

Answer 19

Seals the joint space and provides passive stability by limiting range of movement

Question 20

What does synovial fluid do?

Answer 20

Provides food, oxygen and lubrication to the cartilage

Question 21

What bone acts as a lever for the biceps?

Answer 21

Radius

Question 22

What bone acts as a lever for the triceps?

Answer 22

Ulna