Explain how nutritional needs are affected by physical activity.

Explanation should include the effect of

• types of athletic activity
• physical activity on hydration
• body-mass index (BMI)
• caloric balance equation
• preparticipation meal.

Process/Skill Questions:

• What are the consequences of exercising in a dehydrated state?
• What is an ergogenic aid? What are the consequences of abusing ergogenic aids, such as anabolic steroids?
• What factors should be considered before taking nutritional supplements for performance enhancement?