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Also, don't forget not to slouch while running. The chest should protrude slightly forward, and the shoulders. respectively laid back
Also, do not run on bent legs as if you were sneaking. Running should be high.
And remember - the perfect running technique exists. But only applicable to each person individually. There is no way to position the foot or work the hands that would suit everyone, without exception. But there are general principles that you should try to apply in relation to yourself.
Try it, experiment while running. You can find the perfect one for yourself if you know the basics of running technique.
When ordering a training program, you can ask to correct your running technique. To do this, send a short video of your run, and I will give you recommendations on how to improve your running technique. This is included in the cost of the program. I especially recommend it to those who need to pass short-distance running, since most often bad time at short distances is not only due to lack of training, but from improper technique.
To order the program, you must fill out APPLICATION, when filling out which you will learn all the details of obtaining an individual training program.