anatomy

The correct distribution of training intensity is key to getting faster and fitter. Here’s how to define yours.

Understanding your individual heart rate zones allow you to train more efficiently and at the right intensity to trigger certain training effects. Find out more.

Your digestive tract is one of the most complex systems within your body. Read on and discover its role when it comes to nutrition and training.

Body fat is an important component of your body. Not only in terms of appearance, but also in overall health. Discover why in the Freeletics Knowledge Center.

A sturdy, strong bottom has a much more important function than just a good look. Discover what’s really behind a great behind.

There are three types of musculature in our body: smooth, striated and cardiac muscles. Particularly the striated musculature, also named skeletal musculature is of g...

What is muscle soreness actually and how is it caused? Why it is particularly strong with Freeletics and how to alleviate pain.

Exercising supports a fresh rosy complexion, a tauter connective tissue and a clearer skin. Sweat leads impurities outside the pores - as long as you do not wear make...

In addition to carbohydrate content, the quality of carbohydrates plays a decisive role. What good and bad carbohydrates are all about and how Glycemic Index and Glyc...

Why are sprinters muscular and runners thin? What are red and white muscle fibers? What are slow twitch and fast twitch fibers?

How does it look on the inside of our muscles and how do they contract? You can only train effectively, if you know how our muscles are build structurally and how the...

Every day more and more women are discovering high intensity training, and especially Freeletics. Is high intensity training with your own body weight really the best...