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If you want me to coach you personally to jump higher click here: If you want a FREE week of jump training click here: My ...
If you want a FREE week of jump training click here: My name is Isaiah Rivera and I have the highest officially tested vertical on the planet at 50.5 inches and am the co-founder of THPstrength ...
There's a surprising amount of research that proves this, too. This study found that a seven-week rope jump training ...