Isaiah Rivera on MSN

Can You REALLY Improve Your Vertical Jump with Training, NOT Genetics?

If you want my team to coach you personally to jump higher 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 ...
Isaiah Rivera on MSN

What A 50.5 Inch Vertical Looks Like On An Outdoor Court!

If you want my team to coach you personally to jump higher click here: My name is Isaiah Rivera and I have the highest ...