Thy Skeleton Flashcards
1
Q
What is the Ball and Socket joint?
A
It allows you to rotate 360
It is covered by a layer of cartilage
Between the joint is synovial fluid
2
Q
What does the Hinge joint do?
A
It moves 180
Muscles work in pairs to contract and relax
3
Q
What does a fixed joint do?
A
They form between 2 bits of bone
Do not move
Fuses your skull together
4
Q
What does a Pivot joint do?
A
Allows 360 rotation
Ends are covered in cartilage
5
Q
What is cartilage?
A
String spongy tissue
Protects bones from causing friction
6
Q
What is archiritis?
A
When your cartilage breaks away
7
Q
What does the triceps do?
A
Straightens the arm
8
Q
What do the Biceps do?
A
Bend your arms
9
Q
How does the muscles do?
A
One contracts and the other muscle relaxes
They can get stronger if you train
Work together at a joint
