The Hamstring Curl Kit brings together equipment for targeted training of the hamstrings, glutes and core: the GHD bench, sissy squat and GHR roller, in a modular system suitable for professional gyms, CrossFit boxes and advanced home gyms.
Isolated and compound exercises for the hamstrings, including the Nordic Curl, GHR and back extension
Compatibility with strength training programmes, functional training and athletic conditioning
Available as a complete kit or as individual components
Si-wheel - Core wheels & Abdominal suspension band
Hamstring Curl Kit: the Sidea selection
The concept behind the Hamstring Curl Kit stems from a practical need: to train the posterior thigh chain — the hamstrings, glutes and, indirectly, the spinal erectors — using equipment that does not require dedicated isokinetic machines. Sidea has put together a selection centred on the GHD bench and sissy squats, complemented by the GHR roller and its padding made of spare partso. These four pieces of equipment cover a range of exercises, from the Glute-Ham Raise to the back extension, from the Nordic Curl to the sissy squat for the quadriceps, right through to core exercises using abdominal wheels. It is a system found in both professional weight rooms and well-equipped home gyms.
Who is the Hamstring Curl Kit for?
Strength and conditioning coaches working with athletes in sprinting, jumping or team sports will find the GHR to be one of the most effective exercises for preventing injuries to the knee tendons. The Nordic Curl, which can be performed on a GHD bench with the correct padding, is cited in the literature as the standard protocol in the Nordic Hamstring Protocol (Mjølsnes et al., 2004) for reducing the incidence of hamstring injuries.
In CrossFit boxes, the GHD bench is standard equipment: back extensions, GHD sit-ups and hip extensions are movements featured in WOD benchmarks and in preparation programmes. Those who train at a home gym This structured workout offers a compact solution in the kit to target a muscle group that is often overlooked in home set-ups, which tend to focus on pushing movements.
Personal trainers who run small studios often choose this type of equipment for its versatility: a single piece of equipment allows them to work on multiple movement patterns without taking up as much space as a traditional leg curl machine.
How to choose
The first factor to consider is the available space. The GHD 9123 bench is a complete, freestanding unit with adjustments to suit different body types. The 9123K kit adds the GHR 9013/1 roller to the bench, expanding the range of exercises without increasing the floor space required.
If you already have a GHD bench and are just looking for a componentThe GHR Roller 9013/1, which is ideal for abdominal exercises or rolling with core wheels, is available to purchase separately. The 9023/2 padding is the specific replacement part for those who wish to maintain performance over time or adapt comfort levels to intensive use — in gyms with high user turnover, wear and tear on the padding is a real factor that needs to be taken into account.
For those who incorporate this work into protocols for Training Kit Ski - FAST Whether for functional fitness training, the complete kit is the most straightforward choice. For a home gym on a tight budget and with limited space, the single GHD bench is sufficient to cover most of the exercises described.
Always check that the padding is compatible: the 9023/2 model is designed specifically for the GHD Sidea and is not a universal accessory.
Sidea Products for the Hamstring Curl Kit
The range comprises four distinct models, designed to meet different needs without any overlap.
GHD Bench & Sissy Squat 9123 — The system’s central unit. A multi-position bench that allows for back extensions, GHD sit-ups, hip extensions and sissy squats. Steel frame, with adjustments for pad height and position, suitable for use in Functional Training professional.
Hamstring Curl Kit 9123K — The complete set: GHD bench plus GHR roller included. Designed for those who want to get started with a fully integrated system, without the need for further purchases. Also available in the following sections Training Kit e Promo Training Kit.
GHR - Glute Hamstring AB Roller 9013/1 — The component designed for Glute-Ham Raises and abdominal roller exercises. Can be used in conjunction with a bench or as a stand-alone piece of equipment for those who already have an anchoring structure. Listed in the HomeGym category, indicating its suitability for use in non-commercial settings.
GHR 9023/2 padding — Replacement part specifically for the GHD Sidea. A component to be taken into account when planning maintenance, particularly in gyms with a high volume of users.
Why choose Sidea
Sidea has been manufacturing and distributing professional fitness equipment since 1999, with an operational warehouse covering over 4,000 m² and direct technical consultancy. The GHD bench and the GHR roller form part of a range developed with a focus on actual strength and athletic training protocols, rather than the aesthetic requirements of a catalogue. Sidea is the official StrongFirst distributor in Italy, a role that reflects a clear focus on a training culture based on strength and the quality of movement. For those needing to set up a fully equipped space, the Gym Design service with 3D renderings allows you to check how these pieces of equipment will fit into the overall layout before purchasing.
Domande frequenti - Hamstring Curl Kit
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The GHD (Glute-Ham Developer) is a versatile bench that allows you to perform back extensions, GHD sit-ups and hip extensions. The GHR roller is an add-on that enables you to perform the full Glute-Ham Raise, with knee flexion against resistance. The two pieces of equipment complement each other: the Sidea 9123K kit combines them into a single setup.
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Yes. The GHD bench 9123 allows you to perform the Nordic Curl by securing your ankles beneath the pads and sliding forwards whilst controlling the descent with your thigh muscles. It is based on the same principle as the Nordic Hamstring Protocol, one of the most well-documented protocols for preventing hamstring injuries in team and speed sports.
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Yes. The GHD sit-up is one of the most intense abdominal exercises that can be performed on this machine, with a range of motion that exceeds that allowed by a standard crunch. It requires a gradual progression, especially for athletes who are not used to working in lumbar hyperextension. The GHR Roller 9013/1 adds further options for core training using abdominal rollers.
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It depends on the level of use. In a gym with 20–30 users a day who use the GHD bench regularly, replacing the padding every 12–18 months is reasonable. In a home gym with individual use, the padding lasts significantly longer. The 9023/2 Sidea padding is the specific replacement part for this piece of equipment.
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The GHR roller can be used on its own for abdominal wheel exercises, which do not require an anchor frame. For the full Glute-Ham Raise, however, a system that secures the ankles is required: the GHD bench 9123 is the standard solution in the Sidea kit.
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The sissy squat places significant strain on the patellar tendon and the quadriceps as they are stretched: it is not a neutral exercise for the knee. Anyone with a history of patellar tendinopathy or meniscus problems should introduce this exercise very gradually and preferably under the supervision of a qualified physiotherapist or sports coach.
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Sidea offers a range of instalment payment options to make it easier to purchase professional equipment. Please see the dedicated page: Payment options Sidea.
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Yes, Sidea is an authorised supplier on the MEPA (Public Administration Electronic Marketplace). Public bodies, schools, universities, local authorities and public sports facilities can purchase Sidea equipment via the platform Public Sector Online Procurement. For information on product codes and direct MEPA orders, please contact Sidea customer service.
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Sidea guarantees the right to cancel within 14 days of delivery for all online purchases, in accordance with current legislation. Products must be returned undamaged and in their original packaging. For full details on returns, refunds and the warranty, please see the page Terms and Conditions of Sale.
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Sidea has been designing and distributing professional fitness equipment since 1999: over 25 years’ experience serving gyms, sports coaches, CrossFit boxes, personal training studios and enthusiasts of advanced home fitness. Official distributor StrongFirst e Luxiaojun, which is exhibiting at the FIBO international trade fair and is the technical sponsor of the Summit of Strength. Every product is designed with durability, functionality and suitability for real-world operational contexts in mind. The service Gym Design Offers bespoke design services with 3D renderings. A warehouse covering over 4,000 m² in Gambettola (FC) to ensure rapid order fulfilment, direct technical advice and a special price list for professionals and amateur sports clubs.

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