3+1 training parameters: the secret of all top tennis players

To improve your tennis, you have to improve your training and to do that you have to set the parameters of your training in the best possible way. There are no other secrets and knowing the parameters is the only way to make your training effective and efficient, yet even the professionals and the best coaches are not able to set them as well as possible or do not respect the principles of training.

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Scientific references:
https://pubmed.ncbi.nlm.nih.gov/11032...
https://pubmed.ncbi.nlm.nih.gov/23254...
https://pubmed.ncbi.nlm.nih.gov/28755...
https://pubmed.ncbi.nlm.nih.gov/23044...
https://pubmed.ncbi.nlm.nih.gov/8563672/
https://pubmed.ncbi.nlm.nih.gov/11772...

Amazon, book in Italian: https://www.amazon.it/Migliora-tuo-te...

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