Effects of exercise Flashcards
What does warming up do to the muscles?
Slowly increase elasticity of the muscles which can prevent injury.
What does cooling down do to the muscles?
It disperses lactic acid which prevents soreness and aches
Who and why should you check equipment and facilities?
organisers, officials and participants should all check their equipment and the facility to ensure they are in good conditions and that the facility is secure and safe to prevent injury.
Why is wearing the correct footwear important in sport?
for grip and to take pressure of joints
Why shouldn’t you wear jewellery?
it could injure you and others.
What protective clothing should you wear?
It depends on the sport, but what ever you wear should protect you and not be able to harm you or anyone around you.
What drugs are socially acceptable
those prescribed by a doctor to treat medical conditions
What drugs are socially unacceptable?
illegal drugs such as: heroin ecstacy cocaine LSD amphetamines barbiturates cannabis
What are 5 things that could change whether a competition is balanced or not?
weight sex rules physical readiness your ability
Why do some sports have weight categories?
When safety is a risk.
Why do some sports have a handicap system?
So you compete with other people who are near enough equal ability to you.
Why are some sports only played separately but different sexes?
if the sport is contact or depends on strength.
Why are rule important?
to ensure safe competition
Why is physical readiness important?
Any one who’s going to start exercise should complete a PAR-Q and a medical examination is advisable so that they are less likely to do damage to themselves.
What are the two main functions of blood being pushed around the body?
1) to supply the blood with oxygen and nutrients
2) to remove waste products such as CO2
What is an immediate effect of exercise on the body?
An increased heart rate
Why does the HR increase during exercise?
Your muscles need more oxygen and nutrients to function properly which is carried by the blood so the heart has to beat faster so that the muscles can function properly.
What does a change in HR release?
adrenaline
What is the heart rate (HR)?
the number of times the heart beats per minute
What is blood pressure?
the force exerted by circulating blood on the walls of blood vessels
What is adrenaline
A hormone
What does adrenaline do?
Makes the heart beat faster
causes haemoglobin to be release by the liver
causes blood to be diverted away from organs to msucles
How many beating sounds does the heart make?
2
What is the first beat that the heart makes?
It’s called the systole