Quantum Selectorized Back Extension | Lower Back Machine

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QUANTUM SELECTORIZED BACK EXTENSION 📍 Lancaster, PA 17601 | 🚛 SHIPPING + DELIVERY AVAILABLE 💪 QUANTUM – SELECTORIZED LOWER BACK MACHINE Quantum Selectorized Back Extension – Commer cial lower back and posterior chain machine. Seated design with adjustable chest pad and foot plate for safe, controlled spinal erector and glute work. Silver frame with maroon pads. New runs $2,500-$3,200+ – Grab this commercial unit and save thousands. ⚙ KEY FEATURES: ✔ Seated Design: Safer than 45° hyperextensions – locks you in, isolates lower back + glutes ✔ Adjustable Chest Pad: Multiple start positions for different torso lengths and range of motion ✔ Adjustable Foot Plate: Pop-pin foot plate locks in position for proper leverage and stability ✔ Selectorized Weight Stack: Quick pin-select weight changes – no plate loading needed ✔ Commercial Grade Build: Heavy steel frame, commercial cam + pulleys – built for clinics + gyms ✔ Compact Footprint: Dedicated lower back machine without the space of a roman chair ✔ Smooth Motion: Commercial bearings + coated cable – consistent resistance curve ✔ Posterior Chain Focus: Targets spinal erectors, glutes, hamstrings safely – rehab approved ✔ Controlled ROM: Cam-driven path limits hyperextension risk – perfect for beginners + PT 📏 TECHNICAL SPECIFICATIONS: QUANTUM BACK EXTENSION SPECS Brand Quantum Type Selectorized Commercial Back Extension / Lower Back Position Seated – posterior chain isolation Weight Stack Selectorized – 10-200+ lbs Resistance Cam + cable system Chest Pad Adjustable – multiple start positions for ROM Foot Plate Pop-pin adjustable for leverage + user height Target Muscles Spinal erectors, glutes, hamstrings Footprint (L×W×H) Approx 48" L × 36" W × 60" H Unit Weight ~400 lbs Frame Heavy-duty commercial steel – silver frame Upholstery Commercial grade vinyl – maroon pads 🏋 CONDITION: Good used commercial condition. Pulled from operating facility. Maroon upholstery is solid with normal wear. Silver frame shows light cosmetic scuffs from gym use – see photo. Cable, pulleys, cam, and weight stack operate smoothly. Selector pin included. Ready to train. Only 1 available. 💳 PAYMENT: Cash, Credit Card, PayPal, Venmo, Apple Pay Shipping & Delivery Freight shipping is not included in the listed price. Please select the appropriate delivery option at checkout.Standard freight is curbside delivery; the customer is responsible for bringing the unit inside.If you require inside delivery or white-glove setup, contact us before purchase to confirm availability.See full freight policy here:Freight Shipping & Delivery InformationPlease allow 5–10 business days for servicing and scheduling prior to shipment. Pickup, Shipping & Store Info 📍 Lancaster, PA 17601 | QUANTUM BACK EXTENSION ✓ Local pickup available – bring truck/trailer + help. Unit weighs ~400 lbs. 🚛 Shipping + delivery available – freight quote based on location. Ships on pallet. After we receive your purchase, allow 5-10 business days for scheduling and servicing. Show more