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19 Cards in this Set

  • Front
  • Back

What are the three main functions of the skeleton

Support


Movement


Protect

How does the skeleton allow movement

The bones meet at joints which act like levers and the tendons attach bone to muscle allowing complex and simple movement

How doe the skeleton system provide support

The skeleton provides support in the body to do many moves such as sitting, standing etc.


The skeleton gives the body shape.


The skeletal system and the bones act like the framework

How does the skeletal system provide protection

It provides protection by protecting the vital organs. e.g.


The cranium protects the brain.


The rib cage protects the lungs and heart


The vertebral column protects the spine

What is a joint

A place where two bones meet

What is elastic and protects the bones at the end of a joint

Cartilage

What are the two joints called

Hinge joint and Ball and socket joint

Where is the hinge joint located

The elbow joint and the knee joint

What does the hinge joint enable

It enables the flexion (bending) and the extension (straightening) of the elbow and knee

Where is the ball and socket joint located

In the shoulder joint and the hip joint


(Tip* only talk about the shoulder)

What does the ball and socket joint enable

It allows the arm to Flex, Extend, Abduct, Adduct and Rotate

When does flexion and extension occur

When you increase the angle at a joint is when flexion occurs


When you decrease the angle at a joint is when extension occurs


(Tip* use this to talk mainly about the hinge joints and if you can the ball and socket joint)

When does abduction, adduction and rotation occur

When the movement is taking away from the body then abduction is occurring.


When the movement is adding back to the body the adduction is occurring


When the movement is around the body then rotation is occurring


(Tip* Use this to talk about the shoulder joint)



What makes the bones strong

Regular physical activity and exercise

What do bones do until the age of 18

The grow and become stronger until this age

What is bone density and how do you increase it

Bone density is the heaviness of the bone and it increases through regular exercise, allowing them to become stronger

How do you increase joint flexibility and power

When the ligaments and tendons become stronger it can increase joint flexibility and power

What is osteoporosis

This is when your bones are very weak and can break easier.

How do you delay/prevent osteoporosis from occurring

You do lots of weight bearing exercise like walking, running, tennis and aerobics. As it places pressure on certain bones