By Reuters, June 16, 2014
(Reuters) - Mini trampolines, the go-to fitness tool for people seeking a joint-friendly cardio bounce, are also adding spring to the push-ups, planks and lunges of boot camp and interval workouts.
Deborah Horton, a group fitness instructor at Crunch fitness in New York City, leads a 60-minute mini trampoline, or rebounder, class called Urban Rebounding that folds planks, jumping jacks and hamstring curls into and between cardiovascular intervals.
“Rebounding is a non-impact cardio workout on a surface so soft you can bounce a raw egg on it and it won’t break,” said Horton.
It offers a softer landing than high-impact cardio workouts, from running to high intensity interval training on hard ground, which can also be hard on the body.
To add a resistance component, Horton added, some rebounding classes incorporate free weights and body bars...