{"product_id":"hoist-rs-1401-leg-extension","title":"Hoist  Leg Extension - RS-2401 Platinum","description":"\u003ch2\u003eHoist  Leg Extension - RS-2401 Platinum\u003c\/h2\u003e\n\u003cp\u003eDynamic adjustment is the essence behind the ROC-IT line from HOIST. Using ROX technology, the user becomes an integral part of the exercise by continuously adjusting the position of the user with the movement of the exercise arm. As a result, the ROC-IT line embodies a unique training experience that achieves the unrestricted joint movement and core activating benefits of functional training coupled with the stabilizing benefits of machine-based equipment. Try it out for yourself and experience the ride of the ROC-IT line!\u003c\/p\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1bz3sos\" data-start=\"27\" data-end=\"273\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"62\"\u003eElite Quad Isolation Platform\u003c\/strong\u003e: The HOIST RS-2401 Platinum Leg Extension is a \u003cstrong data-start=\"110\" data-end=\"151\"\u003ecommercial-grade selectorized machine\u003c\/strong\u003e engineered for precise quadriceps development with smooth, controlled resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"lknwpv\" data-start=\"275\" data-end=\"545\"\u003e\n\u003cstrong data-start=\"277\" data-end=\"313\"\u003eROX Dynamic Movement Technology\u003c\/strong\u003e: Uses HOIST’s ROC-IT system to continuously adjust the user’s position during each rep, creating a more \u003cstrong data-start=\"418\" data-end=\"504\"\u003enatural knee extension path and stronger quad activation with reduced joint stress\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ai1qjl\" data-start=\"547\" data-end=\"809\"\u003e\n\u003cstrong data-start=\"549\" data-end=\"585\"\u003eBiomechanically Optimized Motion\u003c\/strong\u003e: Begins in an upright position and subtly rocks backward through the movement, improving \u003cstrong data-start=\"675\" data-end=\"768\"\u003erange of motion while maintaining proper hip and pelvic alignment for better quad loading\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1818ncr\" data-start=\"811\" data-end=\"1034\"\u003e\n\u003cstrong data-start=\"813\" data-end=\"844\"\u003eJoint-Friendly Design Focus\u003c\/strong\u003e: A self-aligning roller pad reduces ankle stress while guiding movement, helping protect the \u003cstrong data-start=\"938\" data-end=\"993\"\u003eknees and lower back during heavy training sessions\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"37t7ua\" data-start=\"1036\" data-end=\"1256\"\u003e\n\u003cstrong data-start=\"1038\" data-end=\"1066\"\u003eAdjustable for All Users\u003c\/strong\u003e: Gas-assisted adjustable back pad accommodates different leg lengths, ensuring \u003cstrong data-start=\"1146\" data-end=\"1215\"\u003econsistent positioning and comfort in commercial gym environments\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15buwc5\" data-start=\"1258\" data-end=\"1468\"\u003e\n\u003cstrong data-start=\"1260\" data-end=\"1294\"\u003eHeavy Commercial Build Quality\u003c\/strong\u003e: Built for durability with a \u003cstrong data-start=\"1324\" data-end=\"1377\"\u003e~623–665 lb machine frame and 270 lb weight stack\u003c\/strong\u003e, designed to handle continuous high-traffic usage. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10tqnuq\" data-start=\"1470\" data-end=\"1635\"\u003e\n\u003cstrong data-start=\"1472\" data-end=\"1497\"\u003ePremium Training Feel\u003c\/strong\u003e: Delivers a smooth, stable resistance curve that supports both \u003cstrong data-start=\"1561\" data-end=\"1632\"\u003erehabilitation-style controlled reps and heavy hypertrophy training\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-section-id=\"16thjil\" data-start=\"1637\" data-end=\"1844\"\u003e\n\u003cstrong data-start=\"1639\" data-end=\"1657\"\u003eExpert Verdict\u003c\/strong\u003e: A top-tier leg extension machine for serious facilities that prioritize \u003cstrong data-start=\"1731\" data-end=\"1808\"\u003equad isolation, biomechanical safety, and long-term commercial durability\u003c\/strong\u003e over simple home-gym functionality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-(--header-height)\" dir=\"auto\" data-turn-id=\"3592c1f5-371a-41c3-9d4e-5e3061815983\" data-testid=\"conversation-turn-29\" data-scroll-anchor=\"false\" data-turn=\"user\"\u003e\u003c\/section\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:e2e6dc68-9d80-40fc-8a58-586949035799-24\" data-testid=\"conversation-turn-30\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"71638fdb-e544-4a2c-98c0-1595d4f224d8\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"240\"\u003e\u003cstrong data-start=\"0\" data-end=\"69\"\u003eQ: What is the Hoist Leg Extension RS-2401 Platinum designed for?\u003c\/strong\u003e\u003cbr data-start=\"69\" data-end=\"72\"\u003eA: It is a commercial selectorized machine engineered to isolate and strengthen the quadriceps (front thigh muscles) through a controlled seated leg extension movement.\u003c\/p\u003e\n\u003cp data-start=\"242\" data-end=\"571\"\u003e\u003cstrong data-start=\"242\" data-end=\"319\"\u003eQ: What makes the RS-2401 different from standard leg extension machines?\u003c\/strong\u003e\u003cbr data-start=\"319\" data-end=\"322\"\u003eA: It uses HOIST ROX technology, which dynamically adjusts your body position during each rep. This creates a more natural movement path, improves quadriceps activation, and reduces stress on the knee joints. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"573\" data-end=\"858\"\u003e\u003cstrong data-start=\"573\" data-end=\"619\"\u003eQ: How does it improve comfort and safety?\u003c\/strong\u003e\u003cbr data-start=\"619\" data-end=\"622\"\u003eA: It features a gas-shock assisted adjustable back pad, self-aligning roller pad, and a posterior pelvic tilt design that helps maintain proper alignment and reduces joint strain during exercise. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"860\" data-end=\"1119\"\u003e\u003cstrong data-start=\"860\" data-end=\"906\"\u003eQ: Does it help improve muscle activation?\u003c\/strong\u003e\u003cbr data-start=\"906\" data-end=\"909\"\u003eA: Yes, the machine rocks the user slightly backward during movement, increasing range of motion and keeping consistent tension on the quads for better muscle engagement. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1121\" data-end=\"1346\"\u003e\u003cstrong data-start=\"1121\" data-end=\"1163\"\u003eQ: Is it suitable for different users?\u003c\/strong\u003e\u003cbr data-start=\"1163\" data-end=\"1166\"\u003eA: Yes, it is fully adjustable to accommodate different leg lengths and body sizes, making it suitable for beginners through advanced users. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1348\" data-end=\"1562\"\u003e\u003cstrong data-start=\"1348\" data-end=\"1394\"\u003eQ: What type of facilities is it best for?\u003c\/strong\u003e\u003cbr data-start=\"1394\" data-end=\"1397\"\u003eA: It is designed for commercial gyms, fitness studios, hotels, and rehabilitation centers that need durable, biomechanically advanced lower-body training equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"cq3kd7\" data-start=\"128\" data-end=\"285\"\u003e\n\u003cstrong data-start=\"130\" data-end=\"149\"\u003eDaily cleaning:\u003c\/strong\u003e Wipe pads, seat, and frame after use to remove sweat and prevent upholstery wear and corrosion. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1j2or4k\" data-start=\"286\" data-end=\"452\"\u003e\n\u003cstrong data-start=\"288\" data-end=\"321\"\u003eInspect ROC-IT motion system:\u003c\/strong\u003e Ensure the rocking seat and lever arm move smoothly without noise, looseness, or sticking. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"190kcuq\" data-start=\"453\" data-end=\"622\"\u003e\n\u003cstrong data-start=\"455\" data-end=\"487\"\u003eCheck cables \u0026amp; weight stack:\u003c\/strong\u003e Inspect for fraying, uneven travel, or resistance issues; keep the stack and guide rods clean. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1th408y\" data-start=\"623\" data-end=\"777\"\u003e\n\u003cstrong data-start=\"625\" data-end=\"661\"\u003eLubricate guide rods \u0026amp; bushings:\u003c\/strong\u003e Use PTFE\/silicone lubricant periodically for quiet, low-friction operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"rihdzq\" data-start=\"778\" data-end=\"895\"\u003e\n\u003cstrong data-start=\"780\" data-end=\"801\"\u003eTighten hardware:\u003c\/strong\u003e Regularly check bolts, pivot points, and seat adjustments to maintain stability under load.\u003c\/li\u003e\n\u003cli data-section-id=\"6glfrz\" data-start=\"896\" data-end=\"996\"\u003e\n\u003cstrong data-start=\"898\" data-end=\"911\"\u003ePad care:\u003c\/strong\u003e Clean vinyl pads with mild soap only—avoid harsh chemicals that damage upholstery.\u003c\/li\u003e\n\u003cli data-section-id=\"aquibt\" data-start=\"997\" data-end=\"1104\"\u003e\n\u003cstrong data-start=\"999\" data-end=\"1023\"\u003eKeep alignment true:\u003c\/strong\u003e Ensure machine is level so biomechanics and resistance path remain consistent.\u003c\/li\u003e\n\u003cli data-section-id=\"19hedbs\" data-start=\"1105\" data-end=\"1217\"\u003e\n\u003cstrong data-start=\"1107\" data-end=\"1131\"\u003ePeriodic inspection:\u003c\/strong\u003e In high-use gyms, check bearings, pulleys, and pivots for wear and replace if needed.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hoist","offers":[{"title":"Platinum","offer_id":45597022027967,"sku":"RS-2401 Platinum","price":3919.99,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":45597022060735,"sku":"RS-2401 white","price":3919.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/RS-1401.jpg?v=1777367566","url":"https:\/\/www.mybackyardzone.com\/products\/hoist-rs-1401-leg-extension","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}