{"product_id":"built-strength-infinite-series-back-extension-new","title":"BUILT Strength Infinite Series Back Extension (New)","description":"\u003ch1\u003eBUILT Strength Infinite Series Back Extension (New)\u003c\/h1\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003e\n  The BUILT Strength Infinite Series Back Extension is a commercial-grade posterior chain machine built for serious training environments. A fixed 45-degree platform combined with a 200 lb selectorized stack lets athletes load far beyond bodyweight with a simple pin adjustment - no hunting for plates, no loading delays. Adjustable-height thigh pads and quilted leg rollers lock the lower body in place and set the hip pivot precisely, ensuring a clean, consistent hinge every single rep.\n\u003c\/p\u003e\n\u003cp\u003e\n  The D-clip attachment system opens the door to a range of handle styles, and a straight bar is included right out of the box. Whether you're programming it into a strength facility, a performance training center, or a dedicated home gym, the Infinite Series Back Extension delivers the durability and functionality that coaches and athletes rely on day in and day out.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e200 lb Selectorized Stack:\u003c\/strong\u003e Pin-select resistance loads the posterior chain well beyond bodyweight - ideal for progressive overload without swapping or loading plates.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFixed 45-Degree Platform:\u003c\/strong\u003e Purpose-built angle optimizes hip hinge mechanics and maximizes recruitment of the erector spinae, glutes, and hamstrings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Thigh Pads:\u003c\/strong\u003e Height-adjustable thigh pads set the pivot point precisely at the hip for athletes of varying heights and proportions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuilted Leg Rollers \u0026amp; Thigh Pads:\u003c\/strong\u003e Quilted padding and foam rollers keep the lower body locked in securely through every rep, even at heavier loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD-Clip Attachment System:\u003c\/strong\u003e Accepts multiple handle styles for versatile loaded extensions; a straight bar is included and a bar catch at the base keeps it within reach between sets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo-Slip Textured Platforms:\u003c\/strong\u003e Flat and angled platforms feature textured surfaces for secure footing on high-traffic commercial floors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFixed Entry\/Exit Handlebars:\u003c\/strong\u003e Sturdy handlebars at the thigh pad position assist safe, controlled entry and exit - critical during heavy posterior chain work.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e11-Gauge (3mm) Steel Frame:\u003c\/strong\u003e Heavy-duty frame construction built to withstand the demands of commercial use and heavy daily training volume.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Muscles Targeted:\u003c\/strong\u003e Erector spinae, gluteus maximus, and hamstrings - with secondary engagement of the multifidus and quadratus lumborum.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 Year Parts \u0026amp; Labor Warranty + Lifetime Frame:\u003c\/strong\u003e Backed by a full parts and labor warranty with lifetime frame coverage, plus extended protection options available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\n\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003ePlease email us at service@omahasportsandgames.com for a delivery ETA or to confirm shipping details.\u003c\/p\u003e\n\u003chr\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBUILT Strength Infinite Series Back Extension machine\u003c\/li\u003e\n  \u003cli\u003eStraight bar attachment\u003c\/li\u003e\n  \u003cli\u003eAssembly manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\n\u003cp\u003e\n  The Infinite Series Back Extension is engineered for facilities that demand both performance and longevity - from commercial strength centers to dedicated training studios. The selectorized stack removes the friction of plate loading, keeping athletes moving efficiently through circuits and sessions. Quilted padding, precision-adjustable thigh pads, and a rock-solid 11-gauge steel frame reflect the kind of attention to detail that coaches and facility managers trust in equipment used daily.\n\u003c\/p\u003e\n\u003cp\u003e\n  With versatile attachment compatibility and a no-slip platform designed for high-traffic environments, this machine scales with your programming and your athletes. It ships brand new in a factory crate with an assembly manual, and professional inside delivery and assembly is available at checkout - so you can go from delivery to training day without the hassle. Backed by a 1-year parts and labor warranty with lifetime frame coverage, the Infinite Series is a long-term investment in posterior chain development that will pay off for years to come.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cdiv class=\"custom-product-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eView Product Specs\u003c\/strong\u003e\u003c\/summary\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n  \u003ctr\u003e\n\u003cth\u003eDimensions (L x W x H)\u003c\/th\u003e\n\u003ctd\u003e48\" x 39\" x 62\" (1219 x 991 x 1575 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eWeight Stack\u003c\/th\u003e\n\u003ctd\u003e200 lb \/ 91 kg, selectorized\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eResistance Type\u003c\/th\u003e\n\u003ctd\u003ePin-select stack - incremental weight changes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eThigh Pads\u003c\/th\u003e\n\u003ctd\u003eHeight adjustable, quilted pads and leg rollers\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eAttachments\u003c\/th\u003e\n\u003ctd\u003eD-clip; straight bar included; accepts multiple handle styles; bar catch at base\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eFrame Material\u003c\/th\u003e\n\u003ctd\u003e11-Gauge (3mm) Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003ePlatform Angle\u003c\/th\u003e\n\u003ctd\u003eFixed 45 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e1 Year Parts \u0026amp; Labor + Lifetime Frame (extended coverage available)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew - ships in factory crate with assembly manual\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eShipping Method\u003c\/th\u003e\n\u003ctd\u003eCrated freight; driveway delivery or inside delivery \u0026amp; assembly available\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eAssembly\u003c\/th\u003e\n\u003ctd\u003eAssembly required; professional installation available at checkout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdiv class=\"custom-product-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I select weight on this selectorized back extension?\u003c\/summary\u003e\n    \u003cp class=\"faq-content\"\u003eSimply insert the weight pin into the desired hole on the stack and ensure it clicks firmly into place before beginning your set. The pin-select system allows for quick, incremental weight changes between sets without any plate loading or unloading.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat handle attachments are compatible with the D-clip system?\u003c\/summary\u003e\n    \u003cp class=\"faq-content\"\u003eThe D-clip attachment point accepts multiple handle styles, giving you flexibility in how you load and perform extensions. A straight bar is included with the machine. Additional handles that fit standard D-clip connectors can be used to vary grip and stimulus.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs professional assembly available, and how does shipping work?\u003c\/summary\u003e\n    \u003cp class=\"faq-content\"\u003eYes - professional inside delivery and assembly is available and can be selected at checkout. The machine ships crated on a freight pallet with an assembly manual included. Standard delivery brings the crate to your driveway or curb via liftgate; inside delivery brings the team into your space to assemble, test, and remove all packaging.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat maintenance does this machine require?\u003c\/summary\u003e\n    \u003cp class=\"faq-content\"\u003eInspect guide rods and stack alignment monthly to ensure smooth operation. Wipe down guide rods regularly and replace worn bushings annually. Keeping the stack and guide rods clean will extend the life of the machine and maintain consistent resistance feel over time.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat muscles does the back extension machine target?\u003c\/summary\u003e\n    \u003cp class=\"faq-content\"\u003eThe primary muscles targeted are the erector spinae, gluteus maximus, and hamstrings - the core of the posterior chain. Secondary muscles engaged include the multifidus and quadratus lumborum, making this an excellent machine for lower back health, athletic performance, and injury prevention programming.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat does the warranty cover on this machine?\u003c\/summary\u003e\n    \u003cp class=\"faq-content\"\u003eAs a new unit, the BUILT Strength Infinite Series Back Extension includes 1 year of parts and labor coverage plus a lifetime frame warranty. Extended protection plans covering up to 3 years of parts and labor are available for purchase at checkout. Warranty service is available nationwide.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e","brand":"CTX Home Gyms","offers":[{"title":"Default Title","offer_id":56086313238833,"sku":"BB021","price":3295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1724\/7681\/files\/210.png?v=1788359306","url":"https:\/\/omahasportsandgames.com\/products\/built-strength-infinite-series-back-extension-new","provider":"Omaha Sports \u0026 Games","version":"1.0","type":"link"}