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Dr. Jack Groppel: Laws, Principles and Preferences In Tennis
Baseline Intelligence with Jonathan Stokke · 12 января 2026 г. · 35 мин
For 10% off your ADV Backpack, click here: https://www.advtennis.pro/JONATHAN70538 To buy a copy of Jack's new book, click here: https://www.amazon.com/Mountains-Within-Achievement-Mountain-Everything/dp/B0G4G8YG58 We talk: :51 What is "high performance"? 4:50 Laws, principles and preferences 11:33 Making sure you're getting SOLID information 15:18 Listening as an online tennis coach 18:25 The most important part of tennis 26:40 Mountains Within 31:18 What he's working on with his 3.5 ladies