1. Important Safety Information
Before using the Goplus Core & Abdominal Trainer, please read and understand all instructions and warnings. Keep this manual for future reference.
- Consult your physician before starting any exercise program.
- Ensure all parts are correctly assembled and secured before each use.
- Do not exceed the maximum weight capacity of 220 lbs (99.79 kg).
- Use the equipment on a flat, stable surface.
- Keep children and pets away from the equipment during use.
- Stop exercising immediately if you feel pain, dizziness, or shortness of breath.
- Wear appropriate exercise attire and footwear.
2. Product Overview
The Goplus Core & Abdominal Trainer is designed to assist with various core and abdominal exercises. It features an adjustable height and angle to accommodate different training intensities and user body types. The robust iron frame ensures stability and durability.

Image: The Goplus Core & Abdominal Trainer demonstrating its suitability for different workouts including sit-ups, side sit-ups, air bike, leg raises, side bends, and stretching.
Key Features:
- Adjustable Height: Three-level adjustable height for varied training intensity.
- Sturdy Construction: Heavy-duty iron frame supports up to 220 lbs (99.79 kg).
- Comfortable Design: Wide PU leather cushion, cushion-wrapped handle, and soft foam rollers for back and neck support.
- Multi-functional: Suitable for sit-ups, air bike, stretching, and muscle intensifying exercises.
3. Assembly Instructions
The Goplus Core & Abdominal Trainer is designed for straightforward assembly. Follow these general steps. Refer to the included user guide for detailed diagrams and specific hardware.
- Unpack Components: Carefully remove all parts from the packaging and lay them out. Verify all components are present against the parts list in your user guide.
- Attach Base Frame: Connect the main base frame components using the provided bolts and nuts. Ensure they are securely tightened.
- Install Seat and Backrest: Secure the PU leather cushion seat and the backrest assembly to the main frame.
- Attach Handles and Foam Rollers: Mount the handles and foam rollers to their designated positions. Ensure the foam rollers are free to move.
- Adjust Height Mechanism: Familiarize yourself with the height adjustment mechanism. Ensure it locks securely into place at desired settings.
- Final Check: Before first use, double-check all bolts, nuts, and connections to ensure they are tight and secure.

Image: Diagram illustrating the product dimensions (21"L x 24"W x 27"H, adjustable height 25"-27") and weight capacity (220 lbs) of the Goplus Core & Abdominal Trainer.
4. Operating Instructions
The Goplus Core & Abdominal Trainer allows for a variety of exercises targeting different muscle groups. Adjust the machine to your comfort and desired intensity.
4.1 Adjusting Intensity and Height

Image: The Goplus Core & Abdominal Trainer highlighting its adjustable angle (100° to 180°) and 3-level adjustable height feature for meeting different exercise intensities.
- Height Adjustment: Locate the height adjustment pin or lever. Select one of the three available height levels to modify the resistance and range of motion. A higher setting typically increases intensity.
- Angle Adjustment: The machine's design allows for an adjustable angle from 100° to 180°, providing flexibility for various exercises and intensity levels.
4.2 Performing Exercises
The trainer supports exercises for the arms, abdomen, legs, and buttocks. Here are examples of common exercises:
- Sit-ups: Sit on the cushion, place your feet under the foot supports, and hold the handles. Lean back, engaging your core, and then return to the starting position.
- Air Bike: While seated, hold the handles and perform cycling motions with your legs, engaging your core and lower abs.
- Leg Raises: Lie back on the machine, holding the handles for support. Lift your legs towards your chest, engaging your lower abdominal muscles.
- Stretching: Use the machine's support to perform various stretches, focusing on your core and back flexibility.

Image: A user demonstrating a sit-up exercise on the Goplus Core & Abdominal Trainer, highlighting proper form and engagement.

Image: Visual representation of the benefits of using the Goplus Abdominal Trainer, including abdominal training, muscle building, waist slimming, hip exercising, and leg training.
5. Maintenance
Regular maintenance will ensure the longevity and safe operation of your Goplus Core & Abdominal Trainer.
- Cleaning: Wipe down the machine with a damp cloth after each use to remove sweat and dust. Avoid abrasive cleaners.
- Inspection: Periodically check all bolts, nuts, and moving parts for tightness. Tighten any loose fasteners.
- Storage: Store the trainer in a dry, cool place away from direct sunlight and moisture. Its compact size allows for easy folding and storage.
- Lubrication: If any moving parts begin to squeak or feel stiff, apply a small amount of silicone-based lubricant.
6. Troubleshooting
If you encounter issues with your Goplus Core & Abdominal Trainer, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Machine feels unstable or wobbly | Loose fasteners; uneven surface | Ensure all bolts and nuts are tightened. Move the machine to a flat, level surface. |
| Handles or other parts loosen during use | Fasteners not sufficiently tightened | Regularly check and tighten all fasteners, especially on frequently used components like handles. Keep the provided wrench nearby. |
| Squeaking noise from moving parts | Lack of lubrication | Apply a small amount of silicone-based lubricant to the pivot points and moving joints. |
| Difficulty adjusting height/angle | Mechanism stuck or obstructed | Ensure no debris is obstructing the adjustment mechanism. Apply lubricant if necessary. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Goplus |
| Model | Core & Abdominal Trainer |
| Material | Iron, PU Leather, Foam |
| Color | Yellow (as per product variant) |
| Product Dimensions | 21" (L) x 24" (W) x 27" (H) |
| Adjustable Height | 25" - 27" |
| Weight Capacity | 220 lbs (99.79 kg) |
| Net Weight | 16 lbs (7.26 kg) |
8. Warranty and Support
For warranty information, product support, or to purchase replacement parts, please contact Goplus customer service. Refer to your purchase documentation for specific contact details or visit the official Goplus website.
Customer Service: Please refer to the contact information provided at the time of purchase or on the product packaging.