{"product_id":"keystone-ab-low-back-iw","title":"Vision V-KEY-SL-531-K1 Ab \/ Low Back + IW","description":"\u003cp\u003eVision Keystone Ab \/ Low Back + IW\u003c\/p\u003e\n\u003cdiv class=\"specs-subsection w-100 flex flex-wrap mv4\"\u003e\n\u003cdiv class=\"w-100 w-75-ns flex flex-wrap\"\u003e\n\u003cdiv class=\"single-spec w-100 w-third-ns pa2 flex items-stretch\"\u003e\n\u003cdiv class=\"w-100 ba b--moon-gray br3 pa3 card-slideup\"\u003e\n\u003cp data-start=\"0\" data-end=\"642\"\u003eThe Vision Keystone Ab \/ Low Back with Incremental Weight (IW) is a versatile selectorized strength machine designed to train both the abdominal muscles and lower back in one compact unit. The dual-function design allows users to perform controlled abdominal crunch and back extension movements to strengthen the core and posterior chain. Integrated incremental weight adjustments allow for precise resistance changes, while the optional RC1 add-on expands range-of-motion adjustment for enhanced training flexibility. Ideal for commercial fitness facilities and high-end home gyms.\u003c\/p\u003e\n\u003ch2 data-start=\"644\" data-end=\"772\"\u003eKEY FEATURES\u003c\/h2\u003e\n\u003cp data-start=\"644\" data-end=\"772\"\u003e\u003cbr data-start=\"656\" data-end=\"659\"\u003e\u003cstrong\u003eDual Exercise Functionality\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e– Supports both abdominal crunch and lower back extension exercises in one machine.\u003c\/p\u003e\n\u003cp data-start=\"774\" data-end=\"900\"\u003e\u003cstrong\u003eIncremental Weight (IW)\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e– Built-in incremental weight system allows precise resistance adjustments for progressive training.\u003c\/p\u003e\n\u003cp data-start=\"902\" data-end=\"1005\"\u003e\u003cstrong\u003eTargeted Core Training\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e– Effectively strengthens abdominal muscles, lower back, and core stabilizers.\u003c\/p\u003e\n\u003cp data-start=\"1007\" data-end=\"1109\"\u003e\u003cstrong\u003eErgonomic Pad Design\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e– Supportive pads promote proper positioning and comfort during both exercises.\u003c\/p\u003e\n\u003cp data-start=\"1111\" data-end=\"1222\"\u003e\u003cstrong\u003eAdjustable Start Position\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e– Allows users to customize the movement range for comfort and training preference.\u003c\/p\u003e\n\u003cp data-start=\"1224\" data-end=\"1319\"\u003e\u003cstrong\u003eOptional RC1 Add-On\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Expands range-of-motion adjustment for additional training versatility.\u003c\/p\u003e\n\u003cp data-start=\"1321\" data-end=\"1432\"\u003e\u003cstrong\u003eSelectorized Weight Stack\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e– Smooth, consistent resistance ensures controlled and effective strength training.\u003c\/p\u003e\n\u003cp data-start=\"1434\" data-end=\"1545\"\u003e\u003cstrong\u003eCommercial-Grade Steel Frame\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Heavy-duty construction built for durability in high-use fitness environments.\u003c\/p\u003e\n\u003cp data-start=\"1547\" data-end=\"1647\"\u003e\u003cstrong\u003eComfort Padding \u0026amp; Upholstery\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– High-density foam padding provides stability and long-term comfort.\u003c\/p\u003e\n\u003cp data-start=\"1649\" data-end=\"1753\"\u003e\u003cstrong\u003eEnclosed Weight Stack\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Protective shrouds enhance safety and maintain a clean, professional appearance.\u003c\/p\u003e\n\u003ch2 data-start=\"1755\" data-end=\"2216\"\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cp data-start=\"1755\" data-end=\"2216\"\u003e\u003cbr data-start=\"1769\" data-end=\"1772\"\u003e\u003cstrong\u003eModel:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eVision Keystone Ab \/ Low Back w\/ IW\u003cbr data-start=\"1814\" data-end=\"1817\"\u003e\u003cstrong\u003eMachine Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSelectorized dual-function machine\u003cbr data-start=\"1865\" data-end=\"1868\"\u003e\u003cstrong\u003eExercises:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eAbdominal Crunch and Back Extension\u003cbr data-start=\"1914\" data-end=\"1917\"\u003e\u003cstrong\u003eResistance Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSelectorized weight stack with incremental weight adjustment\u003cbr data-start=\"1994\" data-end=\"1997\"\u003e\u003cstrong\u003eFrame Type:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eCommercial-grade steel\u003cbr data-start=\"2031\" data-end=\"2034\"\u003e\u003cstrong\u003eAdjustments:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eAdjustable start position\u003cbr data-start=\"2072\" data-end=\"2075\"\u003e\u003cstrong\u003eOptional Add-On:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRC1 Range of Motion Adjustment\u003cbr data-start=\"2122\" data-end=\"2125\"\u003e\u003cstrong\u003eWeight Stack:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eApprox. 200 lbs (varies by configuration)\u003cbr data-start=\"2180\" data-end=\"2183\"\u003e\u003cstrong\u003eUse:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eCommercial and residential\u003c\/p\u003e\n\u003ch2 data-start=\"2218\" data-end=\"2342\"\u003eDIMENSIONS \u0026amp; WEIGHT\u003c\/h2\u003e\n\u003cp data-start=\"2218\" data-end=\"2342\"\u003e\u003cbr data-start=\"2237\" data-end=\"2240\"\u003e\u003cstrong\u003eDimensions:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eApprox. 60\" L x 50\" W x 60\" H\u003cbr data-start=\"2281\" data-end=\"2284\"\u003e\u003cstrong\u003eProduct Weight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eApprox. 550+ lbs (varies by configuration)\u003c\/p\u003e\n\u003ch2 data-start=\"2344\" data-end=\"2406\"\u003eWARRANTY\u003c\/h2\u003e\n\u003cp data-start=\"2344\" data-end=\"2406\"\u003e\u003cbr data-start=\"2352\" data-end=\"2355\"\u003e\u003cstrong\u003eFrame:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLifetime\u003cbr data-start=\"2370\" data-end=\"2373\"\u003e\u003cstrong\u003eParts:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e5 years\u003cbr data-start=\"2387\" data-end=\"2390\"\u003e\u003cstrong\u003eLabor:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e2 years\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Vision","offers":[{"title":"Default Title","offer_id":45173107163215,"sku":"Vision Keystone Ab \/ Low Back + IW","price":3599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/9045\/7167\/files\/download_a74ba2a1-78e6-4027-8465-80170e13ac96.png?v=1779193613","url":"https:\/\/universalfitnesssolutions.com\/products\/keystone-ab-low-back-iw","provider":"Universal Fitness Solutions ","version":"1.0","type":"link"}