{"product_id":"back-extension-booty-serie","title":"Back Extension - Booty Serie","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eStrengthen your core and posterior chain with the Selectorized Back Extension. Engineered to provide a safe, controlled movement path\u003c\/p\u003e\n\u003cp\u003ethis machine effectively isolates the lower back muscles while engaging the glutes and hamstrings.\u003c\/p\u003e\n\u003cp\u003eThe pin-loaded weight stack allows for quick resistance changes, making it a vital piece for building a strong, stable lower back.\u003c\/p\u003e","brand":"WE BUILD GYMS","offers":[{"title":"Default Title","offer_id":45491645153471,"sku":"WBG-B8","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/9181\/2543\/files\/ScreenShot2026-04-13at3.43.29PM.png?v=1776084297","url":"https:\/\/webuildgymslb.com\/products\/back-extension-booty-serie","provider":"WE BUILD GYMS","version":"1.0","type":"link"}