My brother arniekander starting up a Challenge to see how many step ups you can do in 20 seconds ! Arnie is considered one of the best trainers of all time in the NBA. He was the reason why we set an NBA record by starting the same lineup in 73 consecutive games from the start of the season. Go follow him arniekander for daily healthy tips during this pandemic... #allnatural #Stepupchallenge #holdat #best5alive #detroit #stayhome #ThankMeLater #familytime