What is your own favorite training approach?

I have been competing as a Judoka. At the age of 25, I ended 3rd in the Dutch championships. At a certain stage, I decided to give priority to teaching sports, so gave up competing at high level (this was requiring a 20 hours a week training schedule!). Now I teach Judo to children. When I have time off, I do some jogging, squash, sometimes workout, usually with weights.

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Extract from a short interview with Haaije Pijl