Skeletal System

Question 1

What are the functions of the skeletal system

Answer 1

Protection
Movement
Support

Question 2

How does the skeleton support

Answer 2

Provides a frame for the body eg allowing us to balance when doing a hand stand

Question 3

How does the skeleton protect

Answer 3

Provides protection around the vital organs eg skull protects the brain

Question 4

How does the skeleton aid movement

Answer 4

Bones provide a place for the muscle to attach to so when the contract they pull the bones causing movement

Bones act as levers that allow the body to exert a force

Question 5

What is a joint

Answer 5

A place where two or more bones meet to allow movement to occur

Question 6

What are hinge joints

Answer 6

At the knee and elbow

Flexion and extension happens there

Question 7

What are ball and socket joints

Answer 7

At the hip and shoulder

Flexion extension rotation adduction and abduction happen there

Question 8

What is flexion

Answer 8

When the angle at a joint decreases and the two bones move together eg when the player is preparing to kick a football

Question 9

What is extension

Answer 9

When the angle at a joint increases when two bones are moving away from each other eg at the knee when kicking a ball

Question 10

What is abduction

Answer 10

The movement of a limb away from the middle of the body

Only in ball an socket eg when reaching out to catch a netball

Question 11

What is adduction

Answer 11

The movement of a limb towards the midline of the body

Only at ball and socket joints eg when moving leg in after a straddle

Question 12

What is rotation

Answer 12

When the bone at a joint moves around its own axis so making a circular movement eg in swimming when doing front crawl

Question 13

What happens when bone density increases

Answer 13

Reduced chance of osteoporosis
Better posture
Reduced chance of features

Question 14

What are the benefits of having stronger tendons and ligaments

Answer 14

Better support of joints so more stability and less chance of Injury
Also increases production of synovial fluids increasing lubrication of joints and flexibility

Question 15

What is bone density

Answer 15

A measurement of the mineral content in the bone

The greater the bone density the stronger the bone

Question 16

What is a fracture

Answer 16

A broken bone happens when the force on the bone is stronger than the bone itself
Symptoms are pain bruising swelling and misshapen limbs

Question 17

What is a compound fracture

Answer 17

When the broken bone causes the skin to break which adds a possibility of infection

Question 18

What are simple fractures

Answer 18

Where the bone does not break the skin

Question 19

What is a greenstick fracture

Answer 19

Where the bone breaks on one side and bends on the other

More common in younger children

Question 20

What are stress fractures

Answer 20

Commonly caused by overuse and a small crack forms in the bone

Question 21

What is tennis elbow

Answer 21

A joint injury where the tendons become inflamed and pain is felt on the outside of the elbow
Caused by poor technique or overuse

Question 22

What is golfers elbow

Answer 22

Tendons become inflamed and pain is felt on the inside of the elbow
Caused by poor technique or overuse

Question 23

What is dislocation

Answer 23

Where one of the bones at a joint comes out of place often caused by falls or blows to the area
Symptoms are pain misshapen joints and swelling

Question 24

What is a sprain

Answer 24

A joint injury where some of the fibres in the ligament are torn
Happens when the joint goes through a greater range than normal eg by forceful twisting or over stretching a joint
Symptoms are swelling bruising and pain

Question 25

What is torn cartilage

Answer 25

A joint injury where small tears appear in the soft cartilage the end of bones caused by forceful twisting or sudden impacts
Symptoms are pain swelling and stiffness at the joint

Question 26

What is the treatment to reduce swelling

Answer 26

Rice 
Rest 
Ice 
Compression 
Elevation