Chapter 9: Joints

Question 1

What is another name for a joint? What does it describe?

Answer 1

Articulation. The point of contact between two bones, bone and cartilage, or bone and teeth.

Question 2

Arthro-

Answer 2

Joint

Question 3

What type of joint allows little to no movement?

Answer 3

Fibrous joints

Question 4

What are the 3 types of fibrous joints?

Answer 4

Sutures, Syndesmoses, and Gomphosis

Question 5

What type of joint is the skull made of?

Answer 5

Fibrous joints called sutures

Question 6

What does synarthrosis mean?

Answer 6

A joint with little to no movement.

Question 7

What joint connects your jaw to teeth?

Answer 7

Fibrous joints called Gomphrosis. Concical pegs fit into sockets like the socket of a tooth.

Question 8

What type of joint connects the Tibia and Fibula?

Answer 8

Fibrous joints called syndesmoses. It’s the sheen of connective tissue that connects the tibia to the fibula

Question 9

What two joints don’t contain a synovial cavity?

Answer 9

Cartilaginous and Fibrous joints

Question 10

What are the two types of cartilaginous joints?

Answer 10

Synchondroses and Symphyses

Question 11

Which cartilaginous joint contains hyaline cartilage?

Answer 11

Synchondroses joints.

Ex: manumbrium of the sternum to the first ribs.

Question 12

What are Symphyses joints and where are they located?

Answer 12

A broad, flat disc of fibrocartilage.
Located within the vertebrae and between the pubic portions of the pelvic girdle.

Question 13

What joints are considered to be “freely moveable”?

Answer 13

Synovial joints

Question 14

What covers the bone ends of a synovial joint?

Answer 14

Hyaline cartilage

Question 15

What surrounds a synovial joint and forms the synovial cavity?

Answer 15

Articular capsule

Question 16

What are the two layers of the articular capsule in a synovial joint?

Answer 16

Inner: synovial membrane
Outer: Fibrous capsule

Question 17

What is the purpose of synovial fluid?

Answer 17

Lubricates and nourishes joint surfaces

Question 18

What shape is the meniscus?

Answer 18

Articular disc

Question 19

What do bursae help reduce?

Answer 19

Friction in or on joints that is caused by movement.

Question 20

What is a tendon sheath?

Answer 20

A tube like bursa that wraps around tendons helps reduce friction on tendons that pass through synovial cavities

Question 21

A decrease in the angle of articulating bones.
I.e. bending your arm at the elbow

Answer 21

Flexion

Question 22

An increase in the angle of articulating bones

Answer 22

Extension

Question 23

A continuation of extension beyond normal anatomical position

Answer 23

Hyperextension

Question 24

The movement of a bone away from the midline
I.e. lifting your arm up

Answer 24

Abduction

Question 25

The movement of a bone toward the midline
I.e. lowering your arm

Answer 25

Adduction

Question 26

What is circumduction

Answer 26

Movement of the distal end of a body part in a circle

Question 27

What is the midline for the hand? What is the midline for the foot?

Answer 27

Middle finger
Second toe

Question 28

What is it called when a bone revolves along its own longitudinal axis?

Answer 28

Rotation

Question 29

The movement of the thumb across the palm at the carpometacarpal joint to touch the tips of the other fingers is called what?

Answer 29

Opposition

Question 30

Compare/ contrast Circumduction and rotation

Answer 30

Circumduction requires movement in more than one plane of motion for the distal end of a body part to move.
Rotation is the revolution of one body part on its own longitudinal axis

Question 31

What is damage to a joint that tears ligaments, but does not dislocate bones?

Answer 31

A sprain

Question 32

A displacement of a bone from a joint

Answer 32

A displacement of a bone from a joint

Question 33

A degenerative disorder of synovial joints where articular cartilage is gradually lost.

Answer 33

Osteoarthritis

Question 34

An autoimmune disorder where the body attacks its own tissues

Answer 34

Rheumatoid Arthritis

Question 35

A disorder associated with the build of up Uric acid

Answer 35

Gout or gouty arthritis