1. Physical Activity and Fitness
Chapter 3
Lesson 1

2. Physical Activity
Physical Activity is any kind of movement that causes your body to use energy.

3. Physical Fitness
Physical Fitness is the ability to handle physical work and play of everyday life without becoming overly tired.

4. Exercise
Physical activity that is planned, structured, and repetitive and that improves or maintains personal fitness.

5. Benefits of Physical Activity

6. Three Elements of Fitness
Strength is the ability of your muscles to exert a force.
Endurance is the ability to perform vigorous activity without getting overly tired.
Flexibility is the ability to move joints fully and easily.

7. Types of Endurance
Heart and Lung Endurance is the measure of how effectively your heart and lungs work during moderate to vigorous exercise.
Muscle Endurance is the ability of a muscle to repeatedly exert a force over a prolonged period of time.

8. What Are Three Strength Building Exercises?
Push ups
Curl ups
Step - ups

9. How Do You Feel When You…
Exercise?
Don’t Exercise?

10. Increasing Your Level of Fitness
Increase the number of times you workout per-week.
Increase workout time.
Increase your intensity.
Participate in different activities.

11. Aerobic Exercise
Aerobic Exercise is a continuous, non-stop, moderate to vigorous activity that requires large amounts of oxygen and works the heart.
What are some examples of Aerobic Exercise?

12. Anaerobic Exercise
Is intense physical activity that requires little oxygen but involves short bursts of energy.
What are some examples of Anaerobic Exercise?
Sprinting, jumping, lifting heavy weights, jumping rope, and intervals.

13. The Skeletal and Muscular Systems
Chapter 3
Lesson 2

14. Bones for Support Muscles for Movement
Skeletal system is a framework of bones and other tissues that supports the body.
It is made up of 206 bones.
The skeletal system gives your body structure and helps protect internal organs.
The Muscular System

15. Bones for Support Muscles for Movement
The muscular system consists of tissues that move parts of the body and operate internal organs.
The human body has over 600 muscles.
Your muscles supply power to move your body.
Joints are the place where two or more bones meet.

16. Connective Tissues Joints are the place where two or more bones meet.
Cartilage allows for joints to move, cushions bones, supports soft tissue.
Ligaments hold bones in place at the joints.
Tendons join muscle to muscle or muscle to bone. Example: Achilles.

18. Caring for Your Skeletal and Muscular System
Participate in regular exercise
Eat good foods
Practice good posture
Lift objects carefully
Treat injuries quickly