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Lecture 1

Chronic disease is defined as a disease that is slow in its progress and long in
its continuance

Most expensive is heart disease and stroke
Terminology

Physical activity


Body movement occurring from skeletal muscle contraction that results in energy
expenditure
Exercise

Subcategory of physical activity defined as systemically structures physical activity
toward enhancing >1 components of physical fitness
Terminology

Physical fitness


Set of physiological attributes that may be enhanced through exercise

Cardiorespiratory fitness

Body composition

Muscular strength/endurance

Flexibility

Agility

Balance
Improve health and quality of life (QOL)
Surgeon General’s

All American adults receive 30 min of moderate physical activity on most days
of the week

Children and adolescents receive 60 minutes of moderate physical activity on
most days of the week