Features & details 💪Boost Rebound: Our ab machine has cleverly hidden interlocking springs on each side that provides adjustable resistance,which can help you get back to your starting position,it's like having the hands of a personal trainer there to spot you, this is perfect for older people or anyone that's just starting out. 💪Adjustable Resistance: The secret is ingenious patented design in the Wondercore smart is that it has precision dials on each side, which allow you to adjust resistance, delivering an amazing 24 pounds to 48 pounds of resistance per side. Precise adjustable resistance to dial in the exact type of workout that you want, whether you're a beginner or pro, Wonder Core Smart can target at stubborn midsection and get the results that you're looking for. 💪Total Body Workout, Muscle Core Training: The Wonder Core Smart exercise system is designed to provide a laser focus on your upper, middle and lower abs, and oblique muscles for a well-rounded workout you will feel all over. Exercise your arms, shoulders, midsection, hips, thighs, legs. 💪Multiple Workouts: ab tuck, crunches, sit up, push up, forearm workout, scissor kicks, glute bridge, bicycling. You can target your core, do upper body, lower body and cardio all in one compact ergonomic design. 6 great exercises plus cardio to give you the ultimate total body calorie blasting workout. 💪Easy to Carry and Store: You can store it just about anywhere, it's compact, portable and easily folded up, so you can take it with you and get the workout that you want anywhere anytime. 💪Nutrition Guide: Wonder Core Smart comes with an entire system, we're going to send you the Wondercore Smart Exercise Guide that shows you exactly the perfect forum on each and every exercise. Plus, we'll send you the Wondercore Smart Nutrition Guide, pack with tips and tricks for turbocharging your workouts and getting the fit lean body that you've always wanted even https://offerup.com/redirect/?o=ZmFzdGVyLllvdQ== also can download the Wonder Core APP. 💪Maximum Load: Thisabdominal exercise machine was Certified by TÜV Rheinland in Germany, the maximum load capacity is 264 LB, which can meet the needs of most fitness enthusiasts. 💪Anti-slip design at the bottom 💪No installation requirements