{"product_id":"crunch-abdominal-y-extension-de-espalda-maquina-selectorizada-dual-advanced-series","title":"Abdominal Crunch \u0026 Lower Back | Selectorized dual machine - Advanced Series","description":"\u003ch2\u003eDual Selectorized Abdominal Crunch and Back Extension Machine - Advanced Series\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAdvanced Series Abdominal Crunch and Back Extension\u003c\/strong\u003e dual selectorized machine is designed for balanced strengthening of the core muscles, allowing targeted training of both the abdominal area and lower back muscles on a single piece of equipment.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e1:1 ratio selectorized resistance system\u003c\/strong\u003e provides direct, progressive resistance throughout the entire range of motion. The \u003cstrong\u003eQ235 steel\u003c\/strong\u003e frame ensures maximum rigidity and stability, while the stainless steel guide rods and POM pulley system provide precise, low-friction movement throughout the workout.\u003c\/p\u003e\n\u003ch3\u003eTorso stability and lumbar movement control\u003c\/h3\u003e\n\u003cp\u003eThe seat configuration, lumbar support, and \u003cstrong\u003earticulated roller lever system\u003c\/strong\u003e promote proper torso alignment, reducing compensatory movements and improving safety during both abdominal crunches and back extensions.\u003c\/p\u003e\n\u003ch6\u003eFeatures\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual core training\u003c\/strong\u003e: abdominal crunch and back extension on a single machine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticulated roller lever\u003c\/strong\u003e: controlled range of motion that promotes proper torso alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1:1 resistance ratio\u003c\/strong\u003e: real, progressive resistance throughout the entire range of motion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced adjustable seat\u003c\/strong\u003e: updated adjustment system for a more precise fit for the user.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ235 steel frame\u003c\/strong\u003e: maximum rigidity and stability for professional use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel guide rods and POM pulleys\u003c\/strong\u003e: smooth, quiet, low-friction movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteel cable\u003c\/strong\u003e: durable, hard-wearing transmission.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-density foam upholstery with leather finish\u003c\/strong\u003e: comfort and resistance to continuous use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated bottle holder in the frame\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: 137.5 × 130 × 161.5 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 289 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight stack\u003c\/strong\u003e: 120 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame\u003c\/strong\u003e: Q235 steel flat oval tubing (50 × 120 × 3 mm) with an anti-corrosion galvanized coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum user weight\u003c\/strong\u003e: 180 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance ratio\u003c\/strong\u003e: 1:1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide rod material\u003c\/strong\u003e: stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley material\u003c\/strong\u003e: POM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable material\u003c\/strong\u003e: steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable dimensions\u003c\/strong\u003e: Ø 4.8 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandles\u003c\/strong\u003e: natural rubber grips with an aluminum finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpholstery\u003c\/strong\u003e: high-density foam with a leather finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications\u003c\/strong\u003e: CE and EN ISO 20957\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fitness Tech","offers":[{"title":"Default Title","offer_id":55253558067529,"sku":"PSE-28984","price":10230.0,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0509\/9552\/7861\/files\/SE-28984_low_back_with_abdominal_machine.jpg?v=1788516295","url":"https:\/\/www.fitnesstech.com.pl\/en\/products\/abdominal-crunch-lower-back-selectorized-dual-machine-advanced-series","provider":"Fitness Tech","version":"1.0","type":"link"}