Introducció
This manual provides essential information for the safe and effective use of your Marcy Adjustable Hyperextension Roman Chair / Exercise Hyper Bench JD-3.1. Please read all instructions carefully before assembly and operation. Retain this manual for future reference.

Image: The Marcy Adjustable Hyperextension Roman Chair, demonstrating a user performing a back extension exercise. The bench features a padded support and adjustable leg anchors.
Muntatge i muntatge
Before beginning assembly, ensure all parts are present and undamaged. Refer to the included parts list and hardware pack. Assembly typically requires basic hand tools (not always included).
Components inclosos:
- One Hyperextension Bench Frame
- Padded Support Cushion
- Adjustable Leg Holders with Foam Rollers
- Nanses encoixinades
- Maquinari de muntatge (cargols, volanderes, femelles)
- Manual d'usuari (aquest document)
- Targeta de garantia
Passos de muntatge (generals):
- Desembaleu tots els components i col·loqueu-los sobre una superfície neta i plana.
- Attach the main support frame components using the provided hardware. Ensure all connections are secure but do not fully tighten until all major components are assembled.
- Install the padded support cushion onto the main frame.
- Attach the adjustable leg holders and foam rollers.
- Secure the padded handles to their designated positions.
- Once all components are in place, fully tighten all bolts and nuts.
- Verify the stability of the assembled unit before first use.

Image: Detail of the adjustable leg anchor system with high-density contoured foam rollers, illustrating the four levels of height adjustment for user comfort and exercise variation.
Instruccions de funcionament
The Marcy Hyperextension Roman Chair is designed for a variety of core, back, glute, and hamstring exercises. Always consult a healthcare professional before starting any new exercise program.
Ajustaments:
- Leg Holder Adjustment: The leg holders are adjustable to accommodate users of different heights. Loosen the adjustment knob, slide the leg holders to the desired height, and securely tighten the knob. Ensure your ankles are comfortably secured by the foam rollers.
Exercici Examples:

Image: A woman performing a back hyperextension, demonstrating the use of the bench for strengthening the lower back and glutes. This exercise helps improve posture and core stability.
Back Hyperextension
Position your hips over the padded support, securing your feet under the leg holders. Lower your torso towards the floor, then raise it back to the starting position, engaging your lower back and glutes. Maintain a controlled movement.

Image: A man performing abdominal sit-ups on the multi-functional trainer, targeting abdominal muscles. The image also shows anatomical diagrams highlighting the muscles worked (abdominal, back, gluteal, hamstrings).
Abdominal Sit-ups
Sit on the padded support with your feet secured. Lean back to engage your abdominal muscles, then sit up, bringing your chest towards your knees. Use the padded handles for stability if needed.
The equipment's design allows for versatile workouts, targeting the core, lower back, glutes, and hamstrings. The high-density foam padding and handles ensure comfort and support during various movements.

Imatge: Una imatge detallada view highlighting the thick cushion for comfortable workouts and the padded handles designed for secure grip during every movement.
Manteniment
Regular maintenance ensures the longevity and safe operation of your Marcy Roman Chair.
- Neteja: Wipe down the padded surfaces and frame with a damp cloth after each use to remove sweat and dirt. Use mild soap and water if necessary, then dry thoroughly. Avoid abrasive cleaners.
- Inspecció: Periodically check all bolts, nuts, and connections to ensure they are tight and secure. Tighten any loose fasteners.
- Desgast: Inspect foam rollers and upholstery for signs of wear, tears, or damage. Replace worn parts immediately to maintain safety and comfort.
- Emmagatzematge: Store the bench in a dry, clean environment away from extreme temperatures and direct sunlight. Its compact design allows for convenient storage in small spaces.
Resolució de problemes
If you encounter issues with your Marcy Roman Chair, refer to the following common solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| El banc sembla inestable o trontolla. | Cargols de muntatge solts o superfície irregular. | Ensure all assembly bolts are fully tightened. Place the bench on a flat, level surface. |
| Molèstia durant l'ús. | Incorrect adjustment of leg holders or improper exercise form. | Adjust the leg holders to the appropriate height for your body. Review exercise form to ensure proper technique. The padding is designed for support during intense workouts. |
| Sorolls de grinyols. | Connexions fluixes o fricció entre peces metàl·liques. | Check and tighten all bolts. Apply a small amount of silicone-based lubricant to pivot points if necessary. |
Si els problemes persisteixen, poseu-vos en contacte amb el servei d'atenció al client per obtenir més ajuda.
Especificacions
| Atribut | Detall |
|---|---|
| Número de model | JD3.1 |
| Dimensions del producte | 87.63 x 72.39 x 87.63 cm (34.5 x 28.5 x 34.5 polzades) |
| Pes de l'article | 19.05 kg (42 lliures) |
| Capacitat màxima de pes | 308 lliures (139.7 kg) |
| Material del marc | Iron (Heavy-duty tubing frame with powder-coated finish) |
| Material de tapisseria | Vinyl, Foam |
| Color | Gris fosc |
| Components inclosos | Warranty card, User manual, one hyperextension bench |

Image: A diagram illustrating the key dimensions of the Marcy Roman Chair: 34.5 inches in height, 34.5 inches in length, and 28.5 inches in width, providing a clear understanding of its footprint.

Image: The Marcy Roman Chair, emphasizing its premium quality construction with a durable tube frame and non-slip foot covers for enhanced stability and safety during workouts.
Garantia i Suport
Your Marcy Adjustable Hyperextension Roman Chair / Exercise Hyper Bench JD-3.1 comes with a manufacturer's warranty. Please refer to the included warranty card for specific terms and conditions, including coverage details and duration.
For technical support, replacement parts, or warranty claims, please contact the manufacturer:
- Fabricant: Impex
- Lloc de treball: POMONA, CA, 91766 US
- Informació de contacte: Please refer to the warranty card or the official Marcy weblloc web per obtenir les dades de contacte més actualitzades.
When contacting support, please have your model number (JD3.1) and purchase information readily available.





