With the Thane WonderCore® Smart Home Fitness Machine it's easy to get an intense core workout and achieve the body you've always wanted without going to the gym. The Thane WonderCore® Smart can be used for six exercises targeting your abs, triceps, biceps and obliques for total body shaping and toning. Work from home on your fitness and look forward to great abs and general core conditioning. It's built with clever interlocking springs for adjustable resistance up to 48lbs, allowing you to choose the right workout level for you, so it's great for both beginners and advanced levels. It even works in both directions on each rep, so you get the most out of your workout without wasting time or effort. Features and Benefits Adjustable resistance - Turn it down for more repetitions as a cardio workout or turn it up to work on muscle and definition, for fantastic abdominal muscles and more. Versatile - Great for crunches, abs tucks, bridges, push ups, scissor kicks and cycling as well as working out your triceps, forearms and biceps - and even Pilates exercises. Compact - The unique design folds flat when you're not using it, so it's easy to carry or store anywhere you want. Includes extras - To help you make the most of your Thane WonderCore® Smart, your machine comes complete with a workout DVD, exercise guide and nutrition guide.