{"product_id":"8221-ab-back-exercise","title":"Pro Series Abdominal \/ Back Extension (300 LB Stack)","description":"\u003cp data-start=\"0\" data-end=\"80\"\u003e\u003cstrong data-start=\"0\" data-end=\"80\"\u003eSelectorized Ab \/ Back Extension (300 LB Stack)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"82\" data-end=\"441\"\u003eBuilt for complete core strengthening, this selectorized abdominal \/ back extension machine combines two essential movements into one compact, high-performance unit. Featuring a massive 300 LB weight stack and a true 1:1 resistance ratio—t\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003ehe dual-function design allows users to seamlessly transition between abdominal crunch and back extension exercises, helping strengthen both the anterior and posterior core for improved stability, posture, and overall athletic performance. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1520\" data-end=\"1537\"\u003e\u003cstrong data-start=\"1520\" data-end=\"1537\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1538\" data-end=\"1943\"\u003e\n\u003cli data-section-id=\"rwz3uf\" data-start=\"1538\" data-end=\"1592\"\u003e300 LB weight stack with true 1:1 resistance ratio\u003c\/li\u003e\n\u003cli data-section-id=\"1naxzms\" data-start=\"1593\" data-end=\"1654\"\u003eDual-function design: abdominal crunch and back extension\u003c\/li\u003e\n\u003cli data-section-id=\"alfze7\" data-start=\"1655\" data-end=\"1712\"\u003eSmooth, guided motion for controlled, consistent reps\u003c\/li\u003e\n\u003cli data-section-id=\"13d7o6h\" data-start=\"1713\" data-end=\"1771\"\u003ePromotes balanced core strength and improved stability\u003c\/li\u003e\n\u003cli data-section-id=\"3xboah\" data-start=\"1884\" data-end=\"1943\"\u003eHeavy-duty construction for commercial-grade durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1945\" data-end=\"1960\"\u003e\u003cstrong data-start=\"1945\" data-end=\"1960\"\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1961\" data-end=\"2014\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"166v062\" data-start=\"1961\" data-end=\"1979\"\u003eHeight: 57.35”\u003c\/li\u003e\n\u003cli data-section-id=\"5xuugy\" data-start=\"1980\" data-end=\"1997\"\u003eWidth: 43.75”\u003c\/li\u003e\n\u003cli data-section-id=\"j6isc9\" data-start=\"1998\" data-end=\"2014\" data-is-last-node=\"\"\u003eLength: 48.08”\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0882\/3468\/8796\/files\/PL-8221.pdf?v=1780670557\"\u003eDownload Instruction Manual Here\u003c\/a\u003e\u003c\/p\u003e","brand":"Echo Strength Depot","offers":[{"title":"Default Title","offer_id":54090679615772,"sku":"8221","price":2999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0882\/3468\/8796\/files\/8221.jpg?v=1778008591","url":"https:\/\/www.echostrengthdepot.com\/products\/8221-ab-back-exercise","provider":"Echo Strength Depot","version":"1.0","type":"link"}