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Sports Nutrition 424: Quiz 4
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NUTR 424: QUIZ 4Discuss two specific factors, other than just the general need for carbohydrates and insulin, that are needed to
optimize muscle glycogen resynthesis after exercise
One specific factor needed to optimize muscle glycogen resynthesis after exercise is timing. It is important to eat as
soon as possible after exercise to prevent glycogen resynthesis from slowing down. Another factor is meal sizes.
Smaller and more frequent meals are better than one or two large meals.
Compare and contrast the characteristics and effects associated with "classical" carbohydrate loading and
"modified" carbohydrate loading
protocols and explain why the modified carbohydrate loading protocol may be preferred.
Both the "classical" and "modified" loading protocols have two types of diets each one being Hi CHO diet and
either a mixed diet or a fat and protein diet. Now the training in each is different, the classical has training like
cycling on days one, four, and seven, and the athlete is supposed to train 75% till exhaustion. Additionally, the
athlete is on a fat and protein diet the days in between days one and four then switching to a Hi CHO diet between
days four and seven. Compared to the modified with day one being a 90 min. run at 75% followed by days two and
three having a 40-minute run, these days the athlete is on a mixed diet. Following on day four the athlete switches
to a Hi CHO diet and days four and five are 20 minutes of running each day, followed by day six being a rest day,
ending with day seven having a trial time.
Which of the following best describes the modified carbohydrate (CHO) loading protocol?
• Severe depletion stage (protein/fat diet) for 3 days followed by a very high-CHO diet (10 g/kg/day) for 3 days
• Severe depletion stage (3 g CHO/kg/day) for 3 days followed by a very high-CHO diet (10 g/kg/day) for 3 days
• Reduced-CHO diet for 3 days (5 g/kg/day) followed by 3 days of a high-CHO diet (10 g/kg/day)
• High CHO intake (6-8 g/kg/day) for the week before competition
Carbohydrates are the main source of energy for
moderate- to high-intensity exercise.
• True
• False
What hormone is responsible for stimulating the breakdown of liver glycogen and its release as glucose?
• Glucagon
• Insulin
• Thyroid-stimulating hormone
• Pancreatic lipase
It is recommended that endurance athletes consume
30-60 g of carbohydrate per hour during exercise.
• True
• False
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