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Pe Skeletal System
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Published on Nov 27, 2015
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PRESENTATION OUTLINE
1.
FUCTIONS OF THE SKELETAL SYSTEM
To support muscles
Protect vital organs
Movemen
2.
HOW THEY HELP A SPORTSMAN
Support helps a gymnast when they are holding a position
Movement helps a footballer when you have to run after a ball
Protection is needed for a rugby player when being tackled
3.
TYPES OF BONES
Flat bones e.g scapular
Long bones e.g femur
Short bones e.g carpals
Irregular bones e.g vertabrae
4.
HOW THEY HELP SPORTSMAN
Long bones give leverage to generate power
Short bones help to get spin on a cricket ball
Irregular bones act as a shock absorber for a gymnast
Flat bones withstand impact like the cranium for rugby
5.
JOINTS
Ball and socket e.g shoulder
Pivot joint e.g hip
Hinge joint e.g elbow
6.
SYNOVIAL JOINT
This is the most comment kind of join and is good for movement
There is synovial fluid between the bones
There is carilage between the synovial fluid and bones
These are there to stop rubbing
When they rub you get arthritis
Tom Barker
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