{"product_id":"hoist-ab-crunch-lower-back","title":"Hoist Ab Crunch\/Lower Back - HD-3600 Platinum","description":"\u003ch2 align=\"justify\"\u003eHoist Ab Crunch\/Lower Back - HD-3600 Platinum\u003c\/h2\u003e\n\u003cp align=\"justify\"\u003eThe HOIST Leg Curl\/Leg Extension offers multiple range-of-motion adjustments for both exercises. Eight back pad adjustment settings accommodates a wide range of users and our self-aligning roller pad assists in proper positioning. This machine is one of HOIST’s HD Dual Series line offering an exciting blend of quality components, intuitive adjustments, superior biomechanics and excellent value.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul class=\"tabingul\"\u003e\n\u003cli\u003eEight back pad adjustments for varying leg lengths\u003c\/li\u003e\n\u003cli\u003eMultiple range-of-motion adjustments for both exercises\u003c\/li\u003e\n\u003cli\u003eSelf-aligning roller pad\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabingul\"\u003e\n\u003cli\u003e\u003cstrong\u003eWeight Stack:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eStandard (HD): 215 lbs (98 kg) \u003c\/li\u003e\n\u003cli\u003eHeavy Stack (HDG): 240 lbs (109 kg)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFRAME:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePlatinum\u003c\/li\u003e\n\u003cli\u003eWhite\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabingul\"\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cdiv id=\"description2\"\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"vnkoos\" data-start=\"26\" data-end=\"264\"\u003e\n\u003cstrong data-start=\"28\" data-end=\"78\"\u003eDual-function core + posterior chain training:\u003c\/strong\u003e The HD-3600 combines \u003cstrong data-start=\"100\" data-end=\"138\"\u003eab crunch and lower back extension\u003c\/strong\u003e in one selectorized unit, making it highly space-efficient for full core development. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8tihkd\" data-start=\"265\" data-end=\"463\"\u003e\n\u003cstrong data-start=\"267\" data-end=\"303\"\u003eBi-directional press arm system:\u003c\/strong\u003e Easily switches between forward flexion (abs) and controlled extension (lower back), supporting balanced core strength. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"d49jmz\" data-start=\"464\" data-end=\"676\"\u003e\n\u003cstrong data-start=\"466\" data-end=\"508\"\u003eAdjustable biomechanics for all users:\u003c\/strong\u003e Multiple seat positions plus range-of-motion settings help fine-tune alignment and exercise intensity for different body types. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"kg4f91\" data-start=\"677\" data-end=\"886\"\u003e\n\u003cstrong data-start=\"679\" data-end=\"715\"\u003eStable, guided movement pattern:\u003c\/strong\u003e Fixed-path resistance helps users maintain strict form, reducing momentum and supporting safer spinal loading when used correctly. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xcra3u\" data-start=\"887\" data-end=\"1062\"\u003e\n\u003cstrong data-start=\"889\" data-end=\"922\"\u003eFoot positioning versatility:\u003c\/strong\u003e Angled foot pegs and horizontal pads allow better stabilization and variation in training emphasis. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bed3qe\" data-start=\"1063\" data-end=\"1240\"\u003e\n\u003cstrong data-start=\"1065\" data-end=\"1097\"\u003eCommercial-grade durability:\u003c\/strong\u003e Heavy-duty frame and high-capacity stack designed for consistent performance in busy gym environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"62\" data-end=\"293\"\u003e\u003cstrong data-start=\"62\" data-end=\"126\"\u003eQ: What is the Hoist HD-3600 Ab Crunch \/ Lower Back machine?\u003c\/strong\u003e\u003cbr data-start=\"126\" data-end=\"129\"\u003eA: The Hoist HD-3600 Platinum is a commercial-grade dual-function strength machine designed to train both \u003cstrong data-start=\"235\" data-end=\"272\"\u003eabdominals and lower back muscles\u003c\/strong\u003e in one compact unit.\u003c\/p\u003e\n\u003cp data-start=\"295\" data-end=\"552\"\u003e\u003cstrong data-start=\"295\" data-end=\"332\"\u003eQ: What makes the HD-3600 unique?\u003c\/strong\u003e\u003cbr data-start=\"332\" data-end=\"335\"\u003eA: It features a \u003cstrong data-start=\"352\" data-end=\"387\"\u003ebi-directional press arm system\u003c\/strong\u003e that easily switches between ab crunch and back extension movements, helping maximize space and training efficiency in gyms. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"554\" data-end=\"740\"\u003e\u003cstrong data-start=\"554\" data-end=\"589\"\u003eQ: What muscles does it target?\u003c\/strong\u003e\u003cbr data-start=\"589\" data-end=\"592\"\u003eA: It primarily targets the \u003cstrong data-start=\"620\" data-end=\"644\"\u003ecore (abs, obliques)\u003c\/strong\u003e and \u003cstrong data-start=\"649\" data-end=\"697\"\u003eposterior chain (lower back, erector spinae)\u003c\/strong\u003e for balanced trunk strength and stability.\u003c\/p\u003e\n\u003cp data-start=\"742\" data-end=\"991\"\u003e\u003cstrong data-start=\"742\" data-end=\"786\"\u003eQ: How does the ab crunch function work?\u003c\/strong\u003e\u003cbr data-start=\"786\" data-end=\"789\"\u003eA: Users adjust the seat and ROM settings, then perform a controlled crunch against the padded arm to isolate the abdominal muscles while maintaining proper form. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"993\" data-end=\"1226\"\u003e\u003cstrong data-start=\"993\" data-end=\"1038\"\u003eQ: How does the lower back function work?\u003c\/strong\u003e\u003cbr data-start=\"1038\" data-end=\"1041\"\u003eA: The machine allows a controlled back extension movement where the user pushes backward against resistance to strengthen the lower back safely. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1228\" data-end=\"1460\"\u003e\u003cstrong data-start=\"1228\" data-end=\"1276\"\u003eQ: What makes it gym-friendly and efficient?\u003c\/strong\u003e\u003cbr data-start=\"1276\" data-end=\"1279\"\u003eA: It combines two essential core exercises into one machine, helping gyms save floor space while offering more training variety per station. \u003cspan class=\"\" data-state=\"instant-open\" aria-describedby=\"radix-_r_j7_\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"gb815\" data-start=\"243\" data-end=\"361\"\u003e\n\u003cstrong data-start=\"245\" data-end=\"264\"\u003eDaily cleaning:\u003c\/strong\u003e Wipe pads, handles, and frame to remove sweat and prevent upholstery cracking or odor buildup.\u003c\/li\u003e\n\u003cli data-section-id=\"qnvx6\" data-start=\"362\" data-end=\"527\"\u003e\n\u003cstrong data-start=\"364\" data-end=\"393\"\u003eInspect cables \u0026amp; linkage:\u003c\/strong\u003e Check daily\/weekly for tension, wear, or fraying to ensure smooth resistance and safe motion. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"smbcp7\" data-start=\"528\" data-end=\"656\"\u003e\n\u003cstrong data-start=\"530\" data-end=\"559\"\u003eCheck bi-directional arm:\u003c\/strong\u003e Ensure smooth switching between ab crunch and back extension modes without stiffness or noise.\u003c\/li\u003e\n\u003cli data-section-id=\"m2d6yw\" data-start=\"657\" data-end=\"821\"\u003e\n\u003cstrong data-start=\"659\" data-end=\"686\"\u003eSeat adjustment system:\u003c\/strong\u003e Verify all multiple seat positions lock securely and move smoothly for correct user alignment. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17lo43h\" data-start=\"822\" data-end=\"935\"\u003e\n\u003cstrong data-start=\"824\" data-end=\"852\"\u003eFoot support inspection:\u003c\/strong\u003e Ensure angled foot pegs and pads remain tight, stable, and slip-free during use.\u003c\/li\u003e\n\u003cli data-section-id=\"d13ftl\" data-start=\"936\" data-end=\"1123\"\u003e\n\u003cstrong data-start=\"938\" data-end=\"959\"\u003eTighten hardware:\u003c\/strong\u003e Regularly inspect all bolts, frame joints, and moving connections to maintain structural safety under heavy commercial use. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qqnz71\" data-start=\"1124\" data-end=\"1236\"\u003e\n\u003cstrong data-start=\"1126\" data-end=\"1148\"\u003eGuide points care:\u003c\/strong\u003e Lightly lubricate pivot points only if motion becomes stiff (avoid over-lubrication).\u003c\/li\u003e\n\u003cli data-section-id=\"1rm8fj\" data-start=\"1237\" data-end=\"1394\"\u003e\n\u003cstrong data-start=\"1239\" data-end=\"1265\"\u003eFrame stability check:\u003c\/strong\u003e Ensure the unit remains firmly anchored to the floor to prevent tipping during exercise. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"nonl6v\" data-start=\"1395\" data-end=\"1508\"\u003e\n\u003cstrong data-start=\"1397\" data-end=\"1423\"\u003eDeep monthly cleaning:\u003c\/strong\u003e Remove dust from pivot areas, under seat structure, and around weight stack housing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hoist","offers":[{"title":"Standard (HD) \/ Platinum","offer_id":45597988257983,"sku":"HD-3600 Platinum","price":3762.99,"currency_code":"USD","in_stock":true},{"title":"Heavy Stack (HDG) \/ Platinum","offer_id":45597988290751,"sku":"HDG-3600 Platinum","price":4075.99,"currency_code":"USD","in_stock":true},{"title":"Standard (HD) \/ White","offer_id":45597988323519,"sku":"HD-3600 White","price":3762.99,"currency_code":"USD","in_stock":true},{"title":"Heavy Stack (HDG) \/ White","offer_id":45597988356287,"sku":"HDG-3600 White","price":4075.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/HD-3600_Ab-Crunch-Lower-Back.png?v=1777373566","url":"https:\/\/backyardprovider.com\/products\/hoist-ab-crunch-lower-back","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}