On a day off, though, I'll do a real good workout for an hour, hour and a half. (canadianbusiness.com)
Don't forget to move arms while jumping, you will thank me after that, cause this is good workout for arms too. (women-workout-routines.com)
One of the reasons why it has become a popular machine in the industry over the years is because it's a safer and better workout for legs than running. (workoutforyou.net)