{"product_id":"selectorized-back-ab-combo-machine-w-250lb-weight-stack","title":"SFE Selectorized Back \u0026 Ab Combo Machine","description":"\u003cp\u003eBalanced Core Training\u003c\/p\u003e\n\u003cp\u003eDevelop the abdominals and lower back from one space-efficient, commercial-grade station. The dual-function design supports abdominal crunches and back extensions with adjustable positioning, ergonomic support, and smooth selectorized resistance for a balanced core-training experience.\u003c\/p\u003e\n\u003cp\u003eDual-Function Performance\u003c\/p\u003e\n\u003cp\u003eThe abdominal crunch function trains the anterior core, while the back extension movement works the lower back and supporting posterior core muscles. Together these movements work core strength, stability, trunk control, posture-focused training and athletic performance, all without needing two separate machines.\u003c\/p\u003e\n\u003cp\u003e250 lb Selectorized Resistance\u003c\/p\u003e\n\u003cp\u003eThe built-in 250 lb weight stack provides substantial resistance for varied experience levels and training goals. Resistance changes quickly through a selector-pin adjustment, allowing efficient transitions between exercises and users without loading or unloading weight plates.\u003c\/p\u003e\n\u003cp\u003eThe direct 1:1 pull ratio delivers resistance directly from the selected stack, creating straightforward, repeatable loading that is easy to understand and track.\u003c\/p\u003e\n\u003cp\u003eAdjustable Range of Motion\u003c\/p\u003e\n\u003cp\u003eCustomizable range-of-motion settings allow users to refine the starting position and movement path for abdominal crunches and back extensions. This adjustment accommodates different body types, mobility levels, training preferences, and exercise programs.\u003c\/p\u003e\n\u003cp\u003eSmooth Operation and Ergonomic Support\u003c\/p\u003e\n\u003cp\u003eThe resistance system delivers fluid, consistent movement for controlled repetitions, technique-focused exercise, strength development, muscle-building programs, and athletic training. Comfortable ergonomic padding provides support and stability during trunk flexion and extension, including higher-resistance sets and repeated use.\u003c\/p\u003e\n\u003cp\u003eCommercial-Grade Construction\u003c\/p\u003e\n\u003cp\u003eA durable commercial-grade steel frame provides the stability and long-term performance required for frequent training. The machine is suited to commercial gyms, fitness centers, strength and conditioning facilities, athletic performance environments, personal training studios, corporate fitness spaces, luxury home gyms, and dedicated core-training areas.\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003c\/p\u003e\n\u003cp\u003eMachine dimensions are 64.57\" L × 39.37\" W × 61.02\" H. Packing dimensions are 62.99\" × 31.5\" × 17.72\". The machine includes a 250 lb weight stack and direct 1:1 pull ratio. Main tubing consists of 1.97\" × 3.94\" × 0.098\" rectangular tubing and 1.97\" × 2.95\" × 0.098\" rectangular tubing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis is not a medical device and is not intended to diagnose, treat, cure, or prevent any condition. Individuals with mobility limitations should consult a physician before use.\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Sports \u0026 Fitness Exchange","offers":[{"title":"Default Title","offer_id":53782344565099,"sku":"GC-5054","price":2499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/8510\/5003\/files\/223542A5-1ECF-4553-A1AB-F42F4635C4EB.jpg?v=1787956029","url":"https:\/\/primevivre.com\/products\/selectorized-back-ab-combo-machine-w-250lb-weight-stack","provider":"PrimeVivre","version":"1.0","type":"link"}