{"product_id":"build-fractal-series-abdominal-lower-back-new","title":"BUILT Strength Fractal Series Abdominal \/ Lower Back (New)","description":"\u003cstyle\u003e\n  .bs-wrap *{box-sizing:border-box;margin:0;padding:0}\n  .bs-wrap{font-family:'Barlow',sans-serif;color:#1a1a1a;max-width:700px}\n  .bs-badge{display:inline-block;background:#1a1a1a;color:#f0ebe3;font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;padding:4px 10px;border-radius:3px;margin-bottom:16px}\n  .bs-desc{font-size:15px;line-height:1.8;color:#444;margin-bottom:24px}\n  .bs-desc strong{color:#1a1a1a;font-weight:500}\n  .bs-divider{border:none;border-top:1px solid #e5e5e5;margin:24px 0}\n  .bs-section-label{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#999;font-weight:500;margin-bottom:12px}\n  .bs-muscles{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}\n  .bs-muscle-tag{font-size:12px;font-weight:500;padding:5px 13px;border-radius:20px;background:#fff7ed;color:#92400e;border:1px solid #fcd9a0}\n  .bs-muscle-tag.sec{background:#f5f5f5;color:#666;border-color:#e0e0e0}\n  .bs-specs-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:24px}\n  .bs-spec-card{background:#f7f7f5;border-radius:8px;padding:14px 16px}\n  .bs-spec-label{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#999;margin-bottom:4px}\n  .bs-spec-val{font-family:'Barlow Condensed',sans-serif;font-size:20px;font-weight:600;color:#1a1a1a}\n  .bs-spec-sub{font-size:12px;color:#888;margin-top:3px}\n  .bs-feat{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-top:1px solid #efefef}\n  .bs-feat:last-child{border-bottom:1px solid #efefef}\n  .bs-feat-icon{width:30px;height:30px;border-radius:50%;background:#fff0f0;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px}\n  .bs-feat-icon svg{width:14px;height:14px;stroke:#dc2626;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}\n  .bs-feat-name{font-size:14px;font-weight:500;color:#1a1a1a;margin-bottom:3px}\n  .bs-feat-desc{font-size:13px;color:#666;line-height:1.6}\n  .bs-span2{grid-column:span 2}\n\u003c\/style\u003e\n\u003cdiv class=\"bs-wrap\"\u003e\n\u003cp class=\"bs-desc\"\u003eThe BUILT Strength Fractal Series Abdominal \/ Lower Back trains opposing core movement patterns from a single station — \u003cstrong\u003eseated abdominal crunches and back extensions — through an adjustable rotating torso pad that transitions between exercises without changing the weight stack\u003c\/strong\u003e. Training the abdominals and erector spinae as opposing groups in the same session promotes balanced core development and reduces the spinal imbalance that results from isolating one side without the other.\u003c\/p\u003e\n\u003cp class=\"bs-desc\"\u003eAn ergonomic seat and back support keep the user in correct posture throughout both movements, and selectorized resistance maintains consistent tension through the full crunch and extension arc. \u003cstrong\u003eA 280 lb weight stack and 603 lb heavy-duty commercial frame\u003c\/strong\u003e deliver the resistance range and structural stability for serious progressive core training in professional environments. New.\u003c\/p\u003e\n\u003chr class=\"bs-divider\"\u003e\n\u003cp class=\"bs-section-label\"\u003eAbdominal crunch — primary muscles\u003c\/p\u003e\n\u003cdiv style=\"margin-bottom: 10px;\" class=\"bs-muscles\"\u003e\n\u003cspan class=\"bs-muscle-tag\"\u003eRectus Abdominis\u003c\/span\u003e \u003cspan class=\"bs-muscle-tag\"\u003eObliques\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"bs-section-label\"\u003eBack extension — primary muscles\u003c\/p\u003e\n\u003cdiv style=\"margin-bottom: 10px;\" class=\"bs-muscles\"\u003e\n\u003cspan class=\"bs-muscle-tag\"\u003eErector Spinae\u003c\/span\u003e \u003cspan class=\"bs-muscle-tag\"\u003eMultifidus\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"bs-section-label\"\u003eSecondary muscles\u003c\/p\u003e\n\u003cdiv style=\"margin-bottom: 0;\" class=\"bs-muscles\"\u003e\n\u003cspan class=\"bs-muscle-tag sec\"\u003eTransverse Abdominis\u003c\/span\u003e \u003cspan class=\"bs-muscle-tag sec\"\u003eHip Flexors\u003c\/span\u003e \u003cspan class=\"bs-muscle-tag sec\"\u003eGlutes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003chr class=\"bs-divider\"\u003e\n\u003cp class=\"bs-section-label\"\u003eKey features\u003c\/p\u003e\n\u003cdiv class=\"bs-feat\"\u003e\n\u003cdiv class=\"bs-feat-icon\"\u003e\u003csvg viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 12c-2-2.5-4-4-6-4a4 4 0 0 0 0 8c2 0 4-1.5 6-4z\"\u003e\u003c\/path\u003e\u003cpath d=\"M12 12c2 2.5 4 4 6 4a4 4 0 0 0 0-8c-2 0-4 1.5-6 4z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"bs-feat-name\"\u003eAdjustable Rotating Torso Pad\u003c\/div\u003e\n\u003cdiv class=\"bs-feat-desc\"\u003eA rotating torso pad transitions between abdominal crunch and back extension positions without changing the weight stack — enabling efficient antagonist-pair training that builds balanced anterior and posterior core strength in the same session.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bs-feat\"\u003e\n\u003cdiv class=\"bs-feat-icon\"\u003e\u003csvg viewbox=\"0 0 24 24\"\u003e\u003cline y2=\"6\" x2=\"20\" y1=\"6\" x1=\"4\"\u003e\u003c\/line\u003e\u003cline y2=\"12\" x2=\"20\" y1=\"12\" x1=\"4\"\u003e\u003c\/line\u003e\u003cline y2=\"18\" x2=\"20\" y1=\"18\" x1=\"4\"\u003e\u003c\/line\u003e\u003ccircle r=\"2\" cy=\"6\" cx=\"8\"\u003e\u003c\/circle\u003e\u003ccircle r=\"2\" cy=\"12\" cx=\"16\"\u003e\u003c\/circle\u003e\u003ccircle r=\"2\" cy=\"18\" cx=\"10\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"bs-feat-name\"\u003eDual Function — Abdominal \u0026amp; Lower Back\u003c\/div\u003e\n\u003cdiv class=\"bs-feat-desc\"\u003eTwo core movements in one station — abdominal crunches for anterior core development and back extensions for lumbar and erector strength — training both sides of the spine for balanced, injury-resistant core conditioning.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bs-feat\"\u003e\n\u003cdiv class=\"bs-feat-icon\"\u003e\u003csvg viewbox=\"0 0 24 24\"\u003e\u003crect rx=\"2\" height=\"8\" width=\"14\" y=\"11\" x=\"5\"\u003e\u003c\/rect\u003e\u003cpath d=\"M5 11V7a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2v4\"\u003e\u003c\/path\u003e\u003cline y2=\"21\" x2=\"8\" y1=\"19\" x1=\"8\"\u003e\u003c\/line\u003e\u003cline y2=\"21\" x2=\"16\" y1=\"19\" x1=\"16\"\u003e\u003c\/line\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"bs-feat-name\"\u003eErgonomic Seat \u0026amp; Back Support\u003c\/div\u003e\n\u003cdiv class=\"bs-feat-desc\"\u003eErgonomic seat and back support positioning keep the user in correct posture throughout both movements — maintaining spinal alignment and keeping load on the target muscles rather than compensating through the hips or shoulders.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bs-feat\"\u003e\n\u003cdiv class=\"bs-feat-icon\"\u003e\u003csvg viewbox=\"0 0 24 24\"\u003e\u003crect rx=\"2\" height=\"18\" width=\"18\" y=\"3\" x=\"3\"\u003e\u003c\/rect\u003e\u003cline y2=\"9\" x2=\"21\" y1=\"9\" x1=\"3\"\u003e\u003c\/line\u003e\u003cline y2=\"9\" x2=\"9\" y1=\"21\" x1=\"9\"\u003e\u003c\/line\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"bs-feat-name\"\u003e280 lb Stack · 603 lb Commercial Frame\u003c\/div\u003e\n\u003cdiv class=\"bs-feat-desc\"\u003eA 280 lb selectorized stack provides the resistance range for serious progressive core loading across both exercises, and a 603 lb heavy-duty steel frame delivers the stability for sustained professional commercial use.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr class=\"bs-divider\"\u003e\n\u003cp class=\"bs-section-label\"\u003eSpecifications\u003c\/p\u003e\n\u003cdiv class=\"bs-specs-grid\"\u003e\n\u003cdiv class=\"bs-spec-card\"\u003e\n\u003cdiv class=\"bs-spec-label\"\u003eDimensions (L × W × H)\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-val\"\u003e55\" × 42\" × 58\"\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-card\"\u003e\n\u003cdiv class=\"bs-spec-label\"\u003eMachine Weight\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-val\"\u003e603 lb\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-card\"\u003e\n\u003cdiv class=\"bs-spec-label\"\u003eWeight Stack\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-val\"\u003e280 lb\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-sub\"\u003ePin-select selectorized\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-card\"\u003e\n\u003cdiv class=\"bs-spec-label\"\u003eCondition\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-val\"\u003eNew\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-sub\"\u003eFractal Series · BUILT Strength\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-card bs-span2\"\u003e\n\u003cdiv class=\"bs-spec-label\"\u003eFunctions \u0026amp; Adjustability\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-val\"\u003eAb Crunch · Back Extension · Rotating Pad\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-sub\"\u003eRotating torso pad · Ergonomic seat \u0026amp; back support · No weight change between exercises · 280 lb stack\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-card\"\u003e\n\u003cdiv class=\"bs-spec-label\"\u003eFrame\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-val\"\u003e11-Gauge (3mm) Steel\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ============================================================\nSEO FIELDS — paste these into Shopify's Search Engine Listing section\n============================================================\n\nPage title (max 60 chars):\nBUILT Strength Fractal Ab Lower Back Machine | New\n\nMeta description (max 160 chars):\nNew BUILT Strength Fractal Series Abdominal\/Lower Back. Rotating torso pad, 280 lb selectorized, dual crunch and back extension, 603 lb commercial frame. Balanced core training.\n\nTags (comma separated):\nabdominal lower back machine, dual core machine, Fractal Series core machine, BUILT Strength, ab crunch back extension, rotating torso pad, 280lb core machine, selectorized core machine, commercial core machine, new gym equipment, antagonist core training, lumbar ab machine\n\n============================================================ --\u003e","brand":"BUILT Strength","offers":[{"title":"Default Title","offer_id":47730580619504,"sku":"GW0809","price":2845.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0510\/0981\/4682\/files\/MADE_TO_ORDER_30_657888f3-6c39-4680-9890-254063c58115.png?v=1758305114","url":"https:\/\/www.buildagym.com\/es\/products\/build-fractal-series-abdominal-lower-back-new","provider":"Build A Gym","version":"1.0","type":"link"}