Isaiah Rivera on MSN

My Friend Tried Lifting a 500 Pound Bar and Almost Got Crushed

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

I Like Train Hard To Make Very High Jump In Air

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

I want to improve my basketball jump shot. A trainer told me the box jump is overrated, and gave me 3 other exercises to build explosive power.

Workouts that improve your jump are great for stability, strength, and cardio, personal trainer Chrissy Signore said. To jump higher, you need to first build a strong lower body, she said. Signore ...