Introduction
This manual provides comprehensive instructions for the assembly, operation, maintenance, and troubleshooting of your leikefitness Sissy Squat Machine, Model GM8300. This multi-functional exercise station is designed to enhance your home gym experience by facilitating various strength training exercises, including deep sissy squats, back extensions, and more. Please read this manual thoroughly before initial use to ensure safe and effective operation.
Important Safety Information
To reduce the risk of serious injury, read all instructions carefully before using this equipment. Keep this manual for future reference.
- Consult with a physician before beginning any exercise program.
- Always inspect the machine for loose parts, damage, or wear before each use. Do not use if any components are compromised.
- Ensure all adjustment knobs and pins are securely fastened before starting an exercise.
- Place the machine on a flat, stable surface. Do not use on uneven ground.
- Keep children and pets away from the equipment during use.
- Do not exceed the maximum weight recommendation of 330 pounds (150 kg).
- Perform exercises slowly and in a controlled manner. Avoid sudden or jerky movements.
- Stop exercising immediately if you feel pain, dizziness, or nausea.
- Wear appropriate athletic footwear and clothing.
- This equipment is intended for home use.
Product Components
The leikefitness Sissy Squat Machine consists of the following main components:
- Heavy-duty steel main frame
- Adjustable back cushion (two pads)
- Foam foot holders (two rollers)
- Non-slip footplate
- Adjustment knobs and pins for height and angle
- Transport wheels (for easy movement)

Figure 1: Overview of the leikefitness Sissy Squat Machine, showcasing its main components and beige color scheme.
Setup Instructions
The leikefitness Sissy Squat Machine is designed for quick and easy setup. Follow these steps to prepare your machine for use:
- Unpack: Carefully remove all components from the packaging.
- Unfold: If the machine is in its folded storage position, gently unfold the main frame until it locks into place.
- Secure Pin: Locate the securing pin (often a pull-pin or knob) and ensure it is fully engaged to lock the frame in its extended position.
- Unfurl Cushions: Adjust the back cushion and foot holders to their operational positions.
- Position: Place the machine on a flat, stable, non-slip surface, ensuring adequate space around it for safe exercise.

Figure 2: The machine shown in both its extended (top) and folded (bottom) configurations, highlighting its easy storage capability.
Operating Instructions
The leikefitness Sissy Squat Machine is versatile and can be adjusted to support various exercises. Proper adjustment is crucial for comfort and effectiveness.
Adjusting the Machine
The machine features adjustable components to accommodate different body types and exercise needs:
- Adjustable Height: The height of the back cushion can be adjusted to support your legs comfortably during squats and other exercises. Loosen the adjustment knob, slide the support to the desired height, and re-tighten.
- Adjustable Angle: The angle of the back cushion can be changed to provide more training options, particularly for back extensions. Adjust the angle by pulling the pin and setting it to the desired incline (e.g., 90°, 72°, 58°). Ensure the pin locks securely.
- Adjustable Padded Foot Holder: The position of the foam foot rollers can be adjusted to fit your feet securely, providing stability during exercises. Loosen the knob, slide the foot holder, and re-tighten.

Figure 3: Illustration of the adjustable height, angle, and padded foot holder on the sissy squat machine.

Figure 4: The back cushion can be adjusted to various angles (90°, 72°, 58°) for different exercise intensities and types.
Performing Exercises
The leikefitness Sissy Squat Machine supports a variety of exercises. Always warm up before exercising and cool down afterwards.
1. Deep Sissy Squats
- Adjust the back cushion height and foot holder to comfortably secure your lower legs and feet.
- Stand on the footplate, placing your lower calves against the foam rollers and your upper thighs/glutes against the back cushion.
- Keeping your back straight and core engaged, slowly lean back and lower your body by bending your knees, allowing your hips to drop towards your heels.
- Push through your quads and glutes to return to the starting position.

Figure 5: Proper form for performing deep sissy squats using the machine.
2. Hyperextension (Back Extension)
- Adjust the back cushion angle to a suitable incline for back extensions (e.g., 58° or 72°).
- Position your hips over the back cushion, ensuring your feet are securely held by the foot rollers. Your upper body should be able to hinge freely.
- Cross your arms over your chest or place your hands behind your head.
- Slowly lower your upper body towards the floor, maintaining a straight back.
- Engage your lower back and glutes to raise your torso back to the starting position, avoiding hyperextension.

Figure 6: Proper form for performing back extensions using the machine.

Figure 7: Side view comparison showing the machine setup for Sissy Squats (top) and Back Extensions (bottom).
3. Other Exercises
The machine can also be used for:
- Push-ups: Use the base as a stable platform for elevated push-ups.
- Sit-ups: Secure your feet under the foot holders and perform sit-ups for abdominal training.
- Forward Lunges: Use the machine for support or as a target for lunges.
- Side Extensions: Similar to back extensions, but targeting oblique muscles.

Figure 8: Visual representation of various exercises possible with the leikefitness Sissy Squat Machine, including squats, lunges, and back extensions.
Maintenance
Regular maintenance will ensure the longevity and safe operation of your leikefitness Sissy Squat Machine.
- 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 adjustment pins to ensure they are tight and secure. Tighten any loose fasteners.
- Wear and Tear: Inspect foam rollers and cushions for signs of wear, tears, or damage. Contact customer support if replacement parts are needed.
- Storage: When not in use, fold the machine for compact storage in a dry, cool place away from direct sunlight and moisture.
Troubleshooting
If you encounter issues with your Sissy Squat Machine, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Machine feels unstable or wobbly. | Not on a flat surface; loose fasteners; securing pin not engaged. | Move to a flat, stable surface. Check and tighten all bolts and nuts. Ensure the main frame securing pin is fully engaged. |
| Difficulty adjusting height or angle. | Adjustment knob/pin not fully loosened; mechanism is stiff. | Ensure the knob or pin is completely loosened before attempting to adjust. Apply a small amount of silicone lubricant to moving parts if stiff. |
| Foam rollers or cushions are damaged. | Normal wear and tear; excessive force. | Contact leikefitness customer support for replacement parts. |
If the problem persists or is not listed here, please contact leikefitness customer support for assistance.
Specifications
| Feature | Detail |
|---|---|
| Brand | leikefitness |
| Model Name | GM8300 |
| Color | Beige-8300 |
| Material | Alloy Steel |
| Item Weight | 26.45 Pounds (12 kg) |
| Maximum Weight Recommendation | 330 Pounds (150 kg) |
| Product Dimensions (LxWxH) | 31.49"L x 22.44"W x 8.26"H (79.98 cm x 57.00 cm x 20.98 cm) |
| Folded Dimensions (Approx.) | Refer to Figure 2 for visual representation of folded state. |
| UPC | 787794004710 |

Figure 9: Detailed dimensions of the leikefitness Sissy Squat Machine.
Product Videos
No official product videos with seller creator type were found in the provided data to embed in this manual. For visual demonstrations, please refer to the product listing page or contact leikefitness support.
Warranty and Support
Your leikefitness Sissy Squat Machine comes with a 1-Year Warranty from the date of purchase. This warranty covers manufacturing defects and material flaws under normal use.
For warranty claims, technical support, or to order replacement parts, please contact leikefitness customer service:
- Manufacturer: Xiamen Kangchen Sports Co., Ltd.
- Email: leikefit@leikesports.com
- Address: Room 7F-J Beirongxin Mansion No. 8 Xinfeng 2nd Road, Xiamen
Please have your model name (GM8300) and purchase date ready when contacting support.

Figure 10: Manufacturer and contact details for leikefitness products.
