Sit Up Machine & Exercise

Sit Up Machine & Exercise System – Compact, Customizable Core Training for All Levels

Total Body Workout in One Device
Train your abs, arms, legs, and glutes with just one machine! Perform sit-ups, crunches, push-ups, ab tucks, scissor kicks, glute bridges, and more for a full-body burn.

Adjustable Resistance Per Side
Dial in your preferred difficulty with adjustable resistance from 24–48 lbs per side, making it perfect for both beginners and advanced users seeking core strength gains.

Great for Seniors & Light Workouts
Interlocking spring assist helps guide you back up—like having a spotter! Ideal for older adults or those easing into fitness without overstraining the body.

Compact & Space-Saving
Folds down flat and fits under beds or in closets, making it a fantastic space-saving solution for small homes or apartments.

Multifunctional Training Board
Targets upper, middle, and lower abs + obliques, while also letting you work on shoulders, arms, thighs, and legs—all with one ergonomic design.

Easy to Use & Portable
Lightweight, foldable, and portable—work out anytime, anywhere, whether you're at home or on the go.

Fitness App & Nutrition Guide
Download the Wonder Core App for workout instructions and nutrition tips, helping you hit your fitness goals faster with smart guidance.

Durable & Certified
Backed by TÜV Rheinland certification with a load capacity of 264 lbs, ensuring safe and reliable performance through every rep.

Get serious about your core—and your entire body—with this all-in-one Sit Up Machine & Exercise System, designed to deliver real results, right from your living room.