FitDeck Core Blast belongs to our series of FitDeck Performance Products. Focus on these FitDeck titles if you want to take your performance to the next level. These FitDecks will challenge you to get stronger, faster, and more explosive. They will greatly enhance your endurance, agility, and athleticism. Use these FitDecks alone, with your most motivated workout partner, or with your team. FitDeck Core Blast is a no-equipment FitDeck specifically targeted to your abdominals, obliques, and lower back. All abs – all the time. Most appropriate for intermediate to advanced users who desire 6-pack abs.