What Do Olympians Actually Eat?

TheThe Olympics are now in full swing, with more than 10,500 athletes from 205 different countries in Rio de Janeiro for the summer games. At this upper-class level the winning margins are increasingly narrow and when all else is equal discrepancies between gold and silver may come down to something as apparently simple as what an athlete feeds. But of course, whats on the menu is far from simple, and in the athletes village in Rio a squad of 2, 500 will be working around the clock to serve 60,000 meals a day.

At this level, elite athletes are likely to take a personalised approach to their nutrition with their diets meticulously planned, tested, and often underpinned by the latest research which has explosion over the past few years and continues to grow at a rapid rate.

But the meticulous approach to food and diet taken by modern day Olympians is in stark contrast to some of the earliest ancient Greek athletes. Take Charmis, the Spartan winner of the Olympic short sprint in 668 BC, who is reported to have feed a special diet of dried figs throughout the games. While other typical early Olympians lived sparingly on barley bread and cheese.

How to eat like an Olympian? HandmadePictures/ Shutterstock

The ancient Greek trainer Pythagoras not to be confused with the famous Greek philosopher and mathematician then introduced the concept of eating meat into the diets of athletes in the middle of the fifth century. And from there athletes didnt look back and one of the first to incorporate meat into his train diet was middle distance runner Dromeus of Stymhalos. He had two victories in the dolichos( long-foot race) at both Olympia and the Pythian Games, three at Isthmian, and five victories at the Nemian games which led to meat being seriously considered as a nutritional strategy.

Modern methods of eating

The first detailed record of dietary intakes during the modern Olympic games didnt appear until the 1936 Berlin Games. Here, a study of athletes’ diets found that many would dine on two steaks a dinner, and sometimes poultry with nearly half a kilogram of meat feed daily while pre-event snacks consisted of three steaks, eggs and meat extract.

The study also found that other athletes would stress the importance of high carbohydrate intake with the Brits eating large quantities of porridge and the Italians pasta. This was farther supported with reports that some athletes would feed diets so high in carbohydrate, that they ingested 6,700 -7, 300 calories a day. Perhaps this was the first indication of athletic and event-specific nutrition, but sadly neither of the studies correlated food uptake with sporting event or performance outcomes.

It is now known of course, that one of the most significant ways to enhance endurance performance such as marathon operating is indeed by feeing carbohydrate before a race. This is because during exert, the bodys carbohydrate stores can be diminished, and carbohydrates are important to athletes because they can help to improve endurance performance for events of 60 to 90 minutes. So because of this, elite endurance athletes are now often advised to eat carbohydrates 24 to 36 hours before rivalry. For a 65 kg athlete this would work out at 650 grams a day, and would be spread across multiple dinners from a variety of carbohydrate sources such as bread, potatoes, rice or pasta.

A winning start to the day? Flaffy/ Shutterstock

As well as pre-feeding, taking on carbohydrate during an event can also improve physical, cognitive and technical aspects of performance. And in events lasting between 30 and 60 minutes swilling a carbohydrate answer around the mouth and spewing it out may be enough to keep the body working that little bit longer.

In relation to exercise training, however, it is now thought that strategic periods of reduced carbohydrate and elevated protein intake may actually be more beneficial.

Event specific diets

For modern athletes, events with higher exercising intensities and short durations such as track sprint cycling can also be enhanced by nutritional strategy. Athletes will often take the naturally occurring amino acid beta-alanine as a nutritional supplement. This is because it can enhance high-intensity workout by balancing the muscle pH which naturally drops during this type of exert. Put simply, a drop in muscle pH is a main contributor to muscle tirednes. And by supplementing with beta-alanine it stops this tirednes from happening so quickly.

Beetroot juice has also received substantial recent interest due to its possible performance improving consequences. Drinking it both before usually up to 2.5 hours and after( more than six days) may improve exercise capacity by decreasing the oxygen expense which is basically the amount of oxygen used in exercise. So by drinking beetroot juice canadian athletes can become more economical in their performance.

Beetroot juice boosts stamina by making muscles more efficient. verca/ Shutterstock

Specific performance nutrition can also help to prevent illness by providing the correct amount of energy and macronutrients to match the energy needs of training, and to prevent wearines. Recent research also suggests that probiotic and prebiotics might also be beneficial to athletes because they can help to enhance the immune system reducing the number of upper respiratory tract infections during a wintertime period of training and competition when these types of infections are more prevalent.

But in the pursuit of Olympic glory ultimately nutrition is just one component in the arsenal that athletes have. Since ancient Greece, food has been seen as integral to performance, and with a growing body of evidence showing that performance nutrition can be the difference between places on the rostrum, it attains sense for athletes to carefully hold what they are putting into their bodies. Because after all, the saying runs, you are what you feed and it seems this couldnt be more true for our world class medal winners.

Neil Williams, Lecturer in Exercise Physiology and Nutrition, Nottingham Trent University

This article was originally published on The Conversation. Read the original article.

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