Diet, Exercise and Fitness Course Online | learndirect

Diet, Exercise and Fitness


Embark on a career in the health and fitness industry or simply improve your own lifestyle! This diet, exercise and fitness course is jam-packed from 'improving fitness and activity' to 'supplements', you'll learn the fundamentals so can kick-start your career. See below for the topics you'll cover...


  • Define health, activity, and fitness
  • Discuss the health risks of an inactive lifestyle and poor diet
  • Name and describe five components of fitness

Improving Fitness and Activity

  • Demonstrate an awareness of the obesity epidemic currently affecting industrialized nations
  • Discuss the importance of setting SMART goals
  • Identify barriers to maintaining an exercise routine
  • Plan ways to improve adherence to an exercise program

Measurement in Health and Fitness

  • Identify reasons to measure activity and fitness
  • Name tests for each aspect of physical fitness
  • Discuss tests for health variables including activity and blood pressure
  • Take precautions to ensure that tests are carried out in a consistent way

Planning a Fitness and Training Program

  • Name the principles of training
  • Understand the FITT Principle
  • Show awareness of the three energy systems
  • Use RPE to prescribe exercise intensity
  • Prescribe exercise following the FITT principle

Safety in Exercise

  • Talk about the importance of pre-exercise questionnaires
  • Describe the importance of a warm-up and cool-down
  • Recognise different types of injuries
  • Discuss safety factors pertaining to the exercise facility and the exercising individual that should be considered in designing a program

Anatomy and Physiology

  • Name the 11 physiological systems
  • Describe the structure and function of the:





Nervous system

  • Describe the concept of homeostasis


  • List the forms of energy used by the body
  • Define the terms calorie and Calorie
  • Know the energy currency of the body
  • Describe in detail the three macronutrients, their components, and their subtypes
  • Recognize that cellular pathways convert macronutrients to ATP

The Digestive System

  • Name the parts of the digestive system, and describe their function
  • Identify the sites of absorption of the major vitamins and minerals
  • Discuss digestive enzymes
  • Name the hormones involved in the control of blood glucose


  • Discuss the three major functions of vitamins
  • Identify the function, RDA, and major food sources for each of the 13 vitamins
  • Mention the risk of toxicity for fat-soluble vitamins compared with water-soluble vitamins


  • Discuss the roles of 7 important vitamins in the body
  • Identify the role of calcium in bone-building
  • State the RDA and some major food sources of calcium, phosphorus, magnesium, iron, copper, chromium, and selenium
  • Discuss the possibility of toxicity for each of these minerals


  • Define the term food supplement
  • Discuss the risks and benefits of supplementing with certain:




Amino acids

Herbs and other substances

  • Define the terms antioxidant and free radical in the context of diet and exercise

Exercise and Diet for Chronic Disease Prevention

  • Discuss the risk factors for, negative health effects of, and dietary and exercise interventions for:



Cardiovascular disease



  • Describe some positive lifestyle changes that will reduce the risk of many diseases


There is no experience or previous qualifications required for enrolment on this course. It is available to all students, of all academic backgrounds.

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