Ab Workout Machine – 21-in-1 Adjustable Core Trainer with Dual-Resistance Rebound and Foldable Design Strengthen your core and full body with this 21-in-1 ab workout machine, built around a patented dual-resistance rebound system that assists movement and rep return for safer and more comfortable training. This ab workout machine features 4 resistance levels from 0 to 46lbs per side, targets up to 13 major muscle groups across a 180° range of motion, and folds in 2 seconds for compact home storage — suitable for young adults and seniors alike. Why Choose This Ab Workout Machine Patented dual-resistance rebound system supports smoother sit-up motion on this ab workout machine 4 adjustable resistance levels from 0 to 46lbs per side suit beginner through advanced users Targets up to 13 major muscle groups with 180° full range of motion on this ab workout machine Supports sit-ups, crunches, push-ups, forearm workouts, scissor kicks, glute bridges, and cycling movements 2.2-inch soft foam handles are comfortable, breathable, and non-slip for secure training grip 1.2-inch thick padded seat provides added comfort during extended workout sessions on this ab workout machine Folds in 2 seconds and stores easily under a bed or in a closet for space-saving home use Comes fully assembled and ready to use straight from the box Maximum weight capacity of 350lbs (approximately 159kg) supports daily reliable use on this ab workout machine Suitable for young adults and seniors for home fitness, toning, and rehabilitation programs Ideal For Core training, abdominal workouts, and full-body home fitness using this ab workout machine Belly fat reduction, rehabilitation, and compact indoor strength training Specifications Product: Abdominal workout equipment Type: Abdominal training and crunch machine Resistance Levels: 4 Resistance Range: 0–46lbs per side Maximum Weight Capacity: 350lbs / approximately 159kg Item Weight: 5.4kg Dimensions: 53.8L x 44.9W x 11.9H cm Handle Thickness: 2.2 inch Seat Padding: 1.2 inch What's In The Box 1 x Ab Workout Machine Fully assembled, foldable, and ready to use from day one — this ab workout machine delivers 21 exercise options, dual-resistance rebound support, and 4 adjustable resistance levels for complete core and full-body training at home.