Exam 11: Nutrition Physical Activity and Fitness

Premature skeletal maturation is a potential health risk for adolescents who use anabolic steroids.

Long-duration, low-intensity exercise demands energy mostly from stored ____.

Glucose used as a muscle fuel comes mainly from stored glycogen within the muscles themselves.

Muscle protein breakdown occurs during heavy exercise.

To improve cardiovascular fitness, the American College of Sports Medicine (ACSM) recommends that an individual exercise a continuous ____ at least five times a week.

Briefly discuss four common reasons cited for inactivity and provide ways to counter these excuses.

A technique that can trick the body into storing extra fuel for endurance competition is known as ____.

Muscles respond to the overload of exercise by gaining ____.

Tom runs for his school's track team. He weighed himself before and after his race and found he had lost 3 pounds. Approximately how much water loss does this represent?

Vignette #2 Jill is 32 years old, and after years of a mostly sedentary life is determined to get into shape. She decides to take up jogging but cannot decide whether to jog at a moderate pace or very fast pace, and has no idea how long to continue. Jill also wants to learn to monitor her heart rate and pulse. She was a gymnast in high school but can no longer touch her toes. Suggest how Jill should get started by answering these questions. Which component of fitness has Jill lost if she cannot touch her toes?

Supplements are strongly encouraged as a means to help athletes meet recommended needs for the antioxidant nutrients.

Increased independence in life's later years is a potential benefit of physical activity.

What nutrient deficiency is a risk among endurance athletes?

There are health consequences associated with physical inactivity. List four categories of major diseases associated with physical inactivity, providing an example of brief explanation of each category.

Which mineral is a component of the body's oxygen-transporting system?

Trained muscles use more fat and conserve their glucose to a greater extent than untrained muscles.

Adding about 50 mg of ____ per cup of a beverage is thought to enhance water absorption from the GI tract.

The condition in which muscles increase in size is called ____.

With repeated overload, the body breaks down and ultimately weakens.

A likely result of exercising vigorously for an hour in hot, humid weather without drinking any fluids is ____.