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Hormones and their effect during sport Part 2 – Insulin Glucagon Cortisol

Deutsche Version The ratio of the two hormones insulin and glucagon determines the metabolic processes during physical exertion in terms of energy supply. Both are produced by the pancreas and are antagonists. Insulin lowers the blood sugar level and glucagon leads to an increase in blood sugar via the formation of new glucose (gluconeogenesis). The …

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Hormones and their effects during sport Part 1 – Dopamine, noradrenaline and adrenaline

Deutsche Version When we do sport, the body has to perform at a much higher level than usual. It is put into a fight-or-flight state. In the “wild” when hunting, fighting or fleeing, energy gels or energy drinks cannot be used to provide the energy required for the higher performance. The body has to draw …

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Optimizing the body’s energy intake – fluid and energy intake in sport Part3

Deutsche Version Whether solid or liquid food, food that enters the body via the mouth and stomach is not yet digested. Putting food or drink in the mouth does not mean that the energy it contains has reached the body. Gastrointestinal complaints sometimes indicate that some of the food is not or only insufficiently digested. …

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Test: Rain jackets for cycling

Deutsche Version As a cyclist, you can get over a short rain shower in summer. If it rains for longer periods and/or the temperatures are cool, you need a reliable rain jacket. In the following test, I present three rain jackets that I have used. This test report is a supplement to the test report …

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Carbohydrates and their intake during sport – Fluid and energy intake in sport Part 2

Carbohydrates are an important source of energy for our body. Even if we do not consume carbohydrates, the body produces carbohydrates itself from other substances such as amino acids or lactate in order to maintain a constant blood sugar level. The intake of carbohydrates is essential when exercising at high intensity. However, there is a …

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Fluid and energy intake in sport – Part 1 Gastric emptying

Deutsche Version Gastric emptying plays an important role in sports nutrition. The emptying of the stomach not only affects well-being, which has a significant influence on performance, especially in competition. The availability of food and the associated continuous supply of energy depend on it. Last but not least, gastric emptying is also crucial for hydration, …

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