1. DEFINITIONS
• Overload Principle- Placing a load on a
body system that is greater than what it
is used to causing overcompensation
• Body System- A group of organs or
tissues that have a common function.
(Skeletal, muscular, immune, nervous,
etc.)

2. Aerobic and Anaerobic
• Aerobic: long in duration and
moderate in intensity
• Anaerobic: short in duration and
high in intensity
• What are some examples of each
kind of activity?

3. UTILIZING THE
OVERLOAD PRINCIPLE
An anaerobic workout (the Weight Room)
Resistance
Reps/Sets
Recovery/Rest Time

4. UTILIZING THE
OVERLOAD PRINCIPLE
AN AEROBIC WORKOUT (FIT)
• Frequency = How OFTEN
• Intensity = How HARD (Pace)
– Decrease time, same distance
– Increase distance, same time
• Time = How LONG
– Same pace for longer time

5. THE OVERLOAD
PRINCIPLE
USE IT OR LOSE IT
ATROPHY- Decrease in muscle mass/size
HYPERTROPHY- Increase in muscle
mass/size

6. 5 COMPONENTS OF
PHYSICAL FITNESS
• CARDIOVASCULAR FITNESS - how
well the heart and lungs work over an
extended period of time
• MUSCULAR STRENGTH - the force a
muscle can exert
• FLEXIBILITY - the ability to take a joint
through a full range of motion

7. 5 COMPONENTS OF
PHYSICAL FITNESS
• MUSCLE ENDURANCE - the ability to
produce force over an extended period
of time
• BODY COMPOSITION - the ratio of
lean body mass/body fat
Which is most critical to health?