4. Anne participates in triathlons. Recently, in a half Ironman race, she experi

Question

4. Anne participates in triathlons. Recently, in a half Ironman race, she experienced nausea, intestinal cramping, and diarrhea on the run, leading to a poor performance. The entire race took her nearly 6 1/2 hours. During the bike portion, she consumed 100 oz of a relatively new sports beverage that she has been training with this year, as well as two gels. On the run, she consumed sips of the sports beverage provided on the course, but switched over to water once she started experiencing the nausea, cramping, and diarrhea. She was frustrated by her performance and wants to ensure that these problems do not happen again. You ask Anne to bring in the new sports beverage she has been consuming so that you can review the Supplement Facts label. Per 8-oz serving, the following nutrients are provided: 60 calories, 15 g carbohydrates, 0 g protein, 0 g fat, 100 mg sodium, 50 mg calcium, 30 mg magnesium, and 100 mg potassium.

4.1 What could be a potential cause of Anne's nausea, intestinal cramping, and diarrhea during the race?

4.2 What recommendations would you give to Anne to prevent the symptoms from occurring in future races?

4.3 What recommendations would you have for her practice session nutrition and race day nutrition?

Explanation / Answer

4.1 Anne nausea, intestinal cramping and diarrhoea during the race is due to dehydration and electrolyte imbalance. There are greater chances that more than 4% of body weight of fluids are has been lost. This will make muscles cramp as the nutrition or sports drink is not a proper nutrition for an athlete. Another drawback of the drink is that the drink is also hypertonic as it contains more salts in this drink. Also, it would be good to have more complex carbohydrates and to a level of 10% and here they are less than that value which increases rapid gastric emptying of fluids.

4.2 Anne should be having a sports drink with more complex carbohydrates and fewer salts. More vitamins and a good amount of proteins is required

4.3 four hours prior to the practise test, she should consume enough water something like 110lbs, 12oz of water based on that she should calculate and consume enough water. this consumption should be slow. Urine colour is the indicator of their dehydration and as it is more yellow they should consume enough to make it white. low fibre high carbs diet 4 hours prior is consumed and should contain 1000 calories total with a minimum of 320 calories of carbs coming from the diet as a liquid would be good. During the race a sports bar with some sports drink as defined in the beginning is necessary.

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