'A cross-training class incorporating intervals of high-intensity cardio training with intervals of bodyweight exercises. Designed to work all major muscle groups while maintaining cardiovascular heart rate target zone. #cardio #exercise #HIIT #workout' 

Tags: fitness , Workout , exercise

SEE ALSO: second trimester , low impact , fit girls , men s fitness , Kettle , boxing training , kardashian , Royal Marines , Brit , fat