Body Quote by John Isner
“Everyone works so hard on their game and on their body. Most of the time, it comes down to who is more relaxed mentally; on the court while playing and off the court.”
“Everyone works so hard on their game and on their body. Most of the time, it comes down to who is more relaxed mentally; on the court while playing and off the court.”
![“I've used the Phoenix Centrifuge to replicate what the body's going to go through on the flight up. I've also done some gravity tests with ZERO-G [a charter-flight service in Arlington, Va., that uses modified Boeing 727s to simulate weightlessness], which went great.” quote by Richard Branson](https://sms4smile.com/quotes/img-quotes/aa1/richard-branson-256_adventure_i-ve-used-the-phoenix-centrifuge-to-repl_903.jpg)
