Lay on the mat with legs and arms extended. Keeping limbs straight as possible, flex your core to bring opposite arm to meet opposite leg. Lower to the starting position at a controlled pace and repeat.
Start a Program
Stop searching for workouts and start a program on Group HIIT with little to no equipment. Programs are specifically designed for each level and include hundreds of movements so you'll never get bored. Access cardio, abs and yoga videos in addition to program workouts.