Ignite by SPRI 900 Calorie Burn

Ashley guides you through two stations with three exercises each designed to shape sleek arms and shoulders. This HIIT workout will leave your upper body burning and your heart rate racing.

Hello thrusters and lunges! Ashley takes you through an intense series of these two movements that will leave your legs shaking and heart pumping. But you're done! Next up are Tabata rounds of plank holds and air squats.

Who doesn't want flat abs? Planks, bridges and butterfly sit-ups are the "core" of Ashley's thrid workout. Divided into three sections, this program is designed to strengthen your midsection, trim your waist and, yes, kill more calories.

This full-body HIIT workout received the biggest calorie burn mark, and you'll soon find out why! Ashley has you working every major muscle group with push presses, squats and rows.