Ch 6: Physical Fitness

About This Chapter

Use our video lessons and quizzes to help you understand physical fitness, the benefits of regular physical activity, and the different purposes of physical activity. Explore aerobics, strength training, and stretching as well.

Physical Fitness - Chapter Summary

In this chapter, our instructors explain how the body uses glycogen, blood glucose, fat, and protein during physical activity. You'll be introduced to the difference between the anaerobic and aerobic use of glucose and the importance of staying properly nourished during training. This chapter will explain some benefits of physical activity, such as improvements in physical and mental health, stress management, and an improved life span. When you've completed this chapter, you should be able to:

  • Explain the components of different types of exercise programs
  • Describe some health benefits of physical activity
  • Understand the problems created by dehydration during exercise

Use these video lessons to make learning about physical fitness easier with simple-to-understand, engaging video modules. The professional video instructors give you user-friendly tools including self-assessment quizzes, video tags that allow you to toggle between the most important sections of the video, and clickable key words linked to additional information. If you want to read along with the videos, a transcript is included with each one.

7 Lessons in Chapter 6: Physical Fitness
Test your knowledge with a 30-question chapter practice test
What is Physical Fitness? - Definition & Importance

1. What is Physical Fitness? - Definition & Importance

Physical fitness is the ability to do daily tasks without becoming easily fatigued. Explore the definition and importance of physical fitness and learn about cardiorespiratory endurance, muscle strength and endurance, flexibility, and body composition.

Physical Activity: Health, Fitness and Performance

2. Physical Activity: Health, Fitness and Performance

Physical activity serves multiple purposes, including improving health, fitness, and performance. In this lesson, explore how physical activity relates to health, the overload principle, and the specificity principle.

The Benefits of Regular Physical Activity: Mental Health, Stress & Life Span

3. The Benefits of Regular Physical Activity: Mental Health, Stress & Life Span

The benefits of regular physical activity include positive mental health, stress relief, and a longer life span. Learn about exercise for the mind and body, what counts as regular exercise, and physical activity for the body and mind.

Components of Exercise Programs: Aerobics, Strength Training & Stretching

4. Components of Exercise Programs: Aerobics, Strength Training & Stretching

Exercise is an activity that can help human beings stay physically and mentally healthy. Learn about the three components of exercise programs, including aerobics, strength training, and stretching. Review different aspects of exercise, including different types of stretching, aerobic exercises and endurance, athletic conditioning, and flexibility.

How Energy-Containing Molecules Support Physical Activity

5. How Energy-Containing Molecules Support Physical Activity

During physical activity, energy-containing molecules must work to support the movements happening. In this lesson, dive into ATP, anaerobic metabolism, and aerobic metabolism.

Nutrients to Support Physical Activity

6. Nutrients to Support Physical Activity

Nutrients are an important factor in energy levels and how well one can perform while physically active. Discover the six key nutrients used to support physical activity: water, carbohydrates, fats, proteins, vitamins, and minerals.

Staying Well Hydrated: The Importance of Fluids During Exercise

7. Staying Well Hydrated: The Importance of Fluids During Exercise

Dehydration can negatively impact exercise performance, cause adverse symptoms, and lead to heat-related illnesses, but is easily avoided by staying well-hydrated. Discover sodium's role in combating hyponatremia and learn about the importance of fluids during exercise to prevent dehydration, heat cramps, heat exhaustion, and heat stroke.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken
More Exams
There are even more practice exams available in Physical Fitness.
Support