Ch 15

Anthony is a 42-year-old male who recently lost 50 pounds by increasing his exercise and eating small, frequent meals. Now that he is in a weight-maintenance phase, his trainer recommends exercising for 90 minutes per day, most days of the week, at 60-70% of his maximum heart rate. How many heartbeats per minute is 60-70% of his max heart rate?

107_125

©McGraw-Hill Education/David A. Tietz, photographer A 12 fl oz serving of this sports drink provides 80 kcal, 21 g sugar, 160 mg sodium, and 45 mg potassium. Which of the following statements about the sports drink is true?

All All of the kcals provided in the sports drink are supplied by sugars

Of the following factors that impact the dietary needs of an athlete, all of the following can be adjusted EXCEPT _______.

Genetic

As race-day approaches, and in order to increase his glycogen stores and reduce the likelihood of fatigue, Anthony wants to increase the percentage of total kilocalories in his diet coming from carbohydrate. If he is eating 2500 kilocalories per day during the training period, and if he wants 60% of his kilocalories per day to come from carbohydrate, how many grams of carbohydrate should he be eating per day?

375

Anthony is training for a half-marathon. He is now training for more than 90 minutes most days of the week. If Anthony weighs 199 pounds, approximately how many calories per day does he need to support his energy needs and maintain his current weight?

4500

Anthony is training for a half-marathon. He is now training for more than 90 minutes most days of the week. If Anthony weighs 199 pounds, approximately how many grams of carbohydrate per day should he consume to maintain adequate muscle glycogen?

543-905 grams of carbohydrate per day

An athlete who consumes 2500 kcal/day should consume how many grams of fat daily?

56-97

Anthony is training for a half-marathon. On long-run days, which of the following snacks would be the most appropriate to consume after one hour of running and why?

A banana and pretzels because they provide carbohydrate, which helps prevent fatigue

vitamins are important for protecting the body against oxidative stress and damage.

Antioxidant

Why is the burning of plasma-free fatty acids greatest during low- to moderate-level physical activity?

Because it takes time for adipose cell triglycerides to be broken down, transported to the muscle tissue, and then utilized for energy

Which of the following athletes will benefit the most from carbohydrate loading?

Cross country skier

Which of the following is NOT a characteristic of whey protein?

Improves stamina in endurance athletes

What are the primary electrolytes is sports drinks?

Sodium and potassium

Carbohydrate loading involves a period of increasing carbohydrate intake. It also leads to an increase in the muscles' storage of which of the following that may cause muscle stiffness and unwanted weight gain?

Water