{"product_id":"built-strength-infinite-series-iso-lateral-kneeling-leg-curl-new","title":"BUILT Strength Infinite Series Iso-Lateral Kneeling Leg Curl (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 Infinite Series Iso-Lateral Kneeling Leg Curl trains each hamstring independently — \u003cstrong\u003eone leg curls while the other rests supported on a pivoting knee cradle\u003c\/strong\u003e, eliminating the bilateral compensation that standard lying leg curls allow to go unchecked. The kneeling position lengthens the hamstring from the hip, placing it under stretch before the curl even begins and increasing the range of effective tension through each rep.\u003c\/p\u003e\n\u003cp class=\"bs-desc\"\u003eStarting resistance of just 8 lb per arm makes the movement genuinely accessible for technique work and rehabilitation, while a 4 × 25 lb max capacity supports meaningful progressive loading for strength development. \u003cstrong\u003eFour integrated weight horns keep plates on the machine and within reach\u003c\/strong\u003e — no hunting across the floor between sets. Heavy-duty construction in a compact 40\" × 54\" footprint makes this machine an efficient addition to any commercial or performance training floor.\u003c\/p\u003e\n\u003chr class=\"bs-divider\"\u003e\n\u003cp class=\"bs-section-label\"\u003ePrimary muscles targeted\u003c\/p\u003e\n\u003cdiv style=\"margin-bottom: 10px;\" class=\"bs-muscles\"\u003e\n\u003cspan class=\"bs-muscle-tag\"\u003eBiceps Femoris\u003c\/span\u003e \u003cspan class=\"bs-muscle-tag\"\u003eSemitendinosus\u003c\/span\u003e \u003cspan class=\"bs-muscle-tag\"\u003eSemimembranosus\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\"\u003eGastrocnemius\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\u003cline y2=\"6\" x2=\"20\" y1=\"6\" x1=\"4\"\u003e\u003c\/line\u003e\u003cline y2=\"12\" x2=\"14\" y1=\"12\" x1=\"4\"\u003e\u003c\/line\u003e\u003ccircle r=\"2\" cy=\"12\" cx=\"18\"\u003e\u003c\/circle\u003e\u003cline y2=\"18\" x2=\"20\" y1=\"18\" x1=\"4\"\u003e\u003c\/line\u003e\u003ccircle r=\"2\" cy=\"6\" cx=\"10\"\u003e\u003c\/circle\u003e\u003ccircle r=\"2\" cy=\"18\" cx=\"8\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"bs-feat-name\"\u003eIso-Lateral Unilateral Movement\u003c\/div\u003e\n\u003cdiv class=\"bs-feat-desc\"\u003eEach leg curls independently — preventing the stronger hamstring from compensating for the weaker, building true bilateral balance, and allowing targeted single-leg work without changing the machine setup.\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\"\u003ePivoting Knee Cradle Pad\u003c\/div\u003e\n\u003cdiv class=\"bs-feat-desc\"\u003eA pivoting cradle supports the non-working leg in a stable, comfortable position while the active leg moves freely through the full curl — keeping the body braced and the working hamstring isolated throughout.\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=\"20\" x2=\"20\" y1=\"20\" x1=\"4\"\u003e\u003c\/line\u003e\u003cline y2=\"6\" x2=\"4\" y1=\"20\" x1=\"4\"\u003e\u003c\/line\u003e\u003cline y2=\"6\" x2=\"18\" y1=\"20\" x1=\"4\"\u003e\u003c\/line\u003e\u003cpath d=\"M4 13 a9 9 0 0 1 7 -7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"bs-feat-name\"\u003eKneeling Position for Extended Range\u003c\/div\u003e\n\u003cdiv class=\"bs-feat-desc\"\u003eThe kneeling stance lengthens the hamstring from the hip joint before the curl begins — placing the muscle under stretch at the start of each rep and increasing the range of effective tension compared to a lying curl position.\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=\"21\" x2=\"12\" y1=\"3\" x1=\"12\"\u003e\u003c\/line\u003e\u003cline y2=\"21\" x2=\"19\" y1=\"21\" x1=\"5\"\u003e\u003c\/line\u003e\u003crect rx=\"1.5\" height=\"3\" width=\"10\" y=\"6\" x=\"7\"\u003e\u003c\/rect\u003e\u003crect rx=\"1.5\" height=\"3\" width=\"8\" y=\"11\" x=\"8\"\u003e\u003c\/rect\u003e\u003crect rx=\"1.25\" height=\"2.5\" width=\"6\" y=\"16\" x=\"9\"\u003e\u003c\/rect\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"bs-feat-name\"\u003ePlate-Loaded — 8 lb to 100 lb Per Arm\u003c\/div\u003e\n\u003cdiv class=\"bs-feat-desc\"\u003eStarting resistance of 8 lb per arm supports technique work and rehabilitation loads. Max capacity of 4 × 25 lb plates per arm reaches 100 lb per side for athletes building serious hamstring strength.\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=\"4\" x2=\"12\" y1=\"20\" x1=\"12\"\u003e\u003c\/line\u003e\u003cline y2=\"21\" x2=\"19\" y1=\"21\" x1=\"5\"\u003e\u003c\/line\u003e\u003cline y2=\"4\" x2=\"12\" y1=\"8\" x1=\"7\"\u003e\u003c\/line\u003e\u003cline y2=\"4\" x2=\"12\" y1=\"8\" x1=\"17\"\u003e\u003c\/line\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"bs-feat-name\"\u003e4 Integrated Weight Horns\u003c\/div\u003e\n\u003cdiv class=\"bs-feat-desc\"\u003eOn-machine plate storage keeps the surrounding floor clear and plates within reach — load and strip between sets without leaving the station or searching the gym floor mid-session.\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 (D × W × H)\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-val\"\u003e40\" × 54\" × 49\"\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-sub\"\u003e1016 × 1372 × 1245 mm\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\"\u003e250 lb\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-sub\"\u003e113 kg\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-card\"\u003e\n\u003cdiv class=\"bs-spec-label\"\u003eResistance Type\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-val\"\u003ePlate-Loaded\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-sub\"\u003e8 lb starting · 4 × 25 lb max per arm\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\"\u003eInfinite Series\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-card bs-span2\"\u003e\n\u003cdiv class=\"bs-spec-label\"\u003eStorage \u0026amp; Positioning\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-val\"\u003e4 Weight Horns · Pivoting Cradle\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-sub\"\u003eIntegrated plate storage · Pivoting knee cradle pad · Independent iso-lateral arms\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 Kneeling Leg Curl | Iso-Lateral Machine\n\nMeta description (max 155 chars):\nPlate-loaded iso-lateral kneeling leg curl with pivoting cradle, independent unilateral movement, and 8–100 lb range per arm. Commercial hamstring machine.\n\nTags (comma separated):\nkneeling leg curl machine, iso-lateral leg curl, plate loaded leg curl, unilateral hamstring machine, hamstring isolation machine, BUILT Strength, Infinite Series, kneeling hamstring curl, commercial leg machine, biceps femoris machine, single leg curl, home gym hamstring machine\n\n============================================================ --\u003e","brand":"BUILT Strength","offers":[{"title":"Ember Fusion","offer_id":49449767665904,"sku":"HM1833","price":1995.0,"currency_code":"USD","in_stock":true},{"title":"Stealth","offer_id":49449767698672,"sku":"HM1833-B","price":2245.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0510\/0981\/4682\/files\/HM1833-1.png?v=1788039489","url":"https:\/\/www.buildagym.com\/es\/products\/built-strength-infinite-series-iso-lateral-kneeling-leg-curl-new","provider":"Build A Gym","version":"1.0","type":"link"}