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Studio Cycling (SS3091) : Blended Learning : Learn as you live!

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Energy Systems & Indoor Cycling

Review of Energy Systems

Exercise requires energy.  The body maintains a constant energy supply by extracting chemical energy from carbohydrates, fats and proteins (Smith, 2002).  Depending on the intensity and duration of an exercise session, these chemical reactions occur through one of or a combination of all of the body’s energy systems.  

Adenosine Triphosphate. ( ATP)

 ATP is a chemical structure, which fuels all muscle activity. It is made up of one chemical molecule known as ADENOSINE and three more chemical molecules known as PHOSPHATES. These chemical molecules are linked together to form ATP. The body must continuously reproduce ATP since ATP is the only form from which the body can take energy.

A review of the four systems the body uses to re synthesise (remake) ATP are available on the links to interactive tutorials below.

Energy Systems Video Tutorials

The Phosphagen System

The Lactate System

Aerobic Glycolysis

Fatty Acid Oxidation

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