Exercise Benefits Letter outline
1)
2)
3)
4)
5)
6)
7)
8)
Muscles Increase
Increased heart rate
Stroke volume increases
Catecholamine release increases
Glycogenolysis release increases
Insulin levels increase
Slow or stop the development of Diseases
Improve blood flow
8 reasons for Adaptations
1) Muscles increase because exercise forces our muscle fibers to contract and
stretch repeatedly
2) Increased heart rate cause by enlargement of cardiac dimension, improved
contraction, increased blood volume, allowing for greater filling in ventricles and
consequent larger stroke volume
3) Stroke volume increases by pumping more forcefully & increasing the amounts of
blood that fills the left ventricle before it pumps.
4) Catecholamine release increases because this increases the supply of oxygen and
fuel to the working muscles.
5) Glycogenolysis release increases because more ATP is required and this comes
from glycogenesis. This process requires that muscle cells break down glycogen
to glucose via the glycogen phosphorylase pathway2.
6) Insulin levels increase because carbs are needed. Carbs are the main stimulus that
causes insulin blood levels to rise. When the body converts carbs into sugar and
releases it into the blood, the pancreas releases insulin to transport the sugar from
the blood into the cells
7) Exercise can slow or stop the development of diseases because exercise causes
change in antibodies and white blood cells (WBC). WBCs are the body’s immune
system cells that fight disease.
8) Blood flow is increased because Exercising regularly improves blood flow by
strengthening the heart and blood vessels, bolstering this filtration system.
4 benefits of physical activity on the risk of specific diseases or disease
management
1.
2.
3.
4.
5.
Reduces risk of type 2- diabetes
Reduces risk of heart disease
Reduces risk of dementia
Reduces risk of depression
Reduces the risk of cancer

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