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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 …

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

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 …

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

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. …

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

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 …

Test: Rain jackets for cycling Read More »

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 …

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

DEUTSCHE VERSION In recent years, the term “Zone2 training” has made it into the hobby scene. What is it all about and what are the sources of error? Training mistake made by many athletes: Zone2 training is too hard Zone2 is a newer term for basic training in the lower endurance zone, formerly known as …

Zone 2 Training is key for success Read More »

Deutsche Version My new book is ready to go (Radbuch.de): Radbuch.de LEBE DEINE LEIDENSCHAFT – Gesund und fit am Fahrrad Radbuch.de The pre-order runs until the end of April. At the same time, there is a vacation competition. All pre-orders will be entered into a prize draw to win a vacation in Carinthia on Lake …

My new bike book is coming – pre-order – winnings Read More »

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, …

Fluid and energy intake in sport – Part 1 Gastric emptying Read More »

In cooperation with POWERBAR, I will be testing POWERBAR products for the next few weeks. During this time, I can offer my readers 20 percent off POWERBAR products. The discount is valid in the official POWERBAR store and can be redeemed with the code* PBLB-20 on a wide range of products (no affiliate). 20% code*: …

Cooperation with POWERBAR – 20 percent off Powerbar Read More »

deutsche Version hier Our metabolism forms a cycle with our human environment. This also applies to breathing and the air we breathe. The air we breathe consists of two main components: around 78 percent is nitrogen and around 21 percent oxygen. Only 1 percent of other gases remain, with the inert gas argon accounting for …

Respiratory gases – limits of spiroergometry Read More »