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#5 - Basic Exercise Physiology

Lesson #5 of Wellness in Action
by

Monique Guidry

on 17 July 2013

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Transcript of #5 - Basic Exercise Physiology

The three systems get used in progression, depending on the demand of the activity.
You have three systems which synthesize energy:
1- Phosphagen- lasts only about 10 seconds
2- Anaerobic - lasts up to 3 minutes in a highly trained athlete
3- Aerobic (with oxygen) - provides sustained energy
The body at rest...
Exercise causes an alarm in the body!
1 - Sharp rise in heart rate, moving blood out to
the working muscles (arms and legs)

2 - Rise in breathing rate to allow for oxygen to be transported by blood to those working muscles

3 - Rapid rise in chemical energy production to fuel the exercise demand (glycolosis - breakdown of glucose )
What should you do when you first start your warm-up?
Basic Exercise Physiology
What? The response of the body's organs and muscles to the demands of exercise.

First you need to find out about the energy which fuels your body.
Phosphagen: very short, high intensity (10 seconds or less)

Anaerobic: fairly short, high intensity, frequent starts and stop to activity (up to 3 minutes in highly trained athlete)

Aerobic: longer activity of medium intensity, and goes on continuously
Figure out what type of energy is needed for each activity.
Aerobic or Anaerobic?
Will it ever feel better? YES!
At rest, the majority of a
person’s blood is massed
in the torso,
supporting the function
of the organs.
Start out easy.
Take deep breaths, and keep muscles loose.
Avoid talking too much right at the start (you might get a cramp).
Stay calm and relaxed!
The core temperature of the muscles will
rise (103 degrees), making muscles more
flexible and ready for action.

Steady state: a point where continued
exercise feels easier again. Energy is
provided to meet the demand of the
aerobic activity, and the person is
performing at an effort level that can
be sustained. It takes 2-4 minutes to
achieve steady state after beginning
exercise (whew - be patient).
Full transcript