Vendor:Spirit Fitness

Spirit Fitness Ab Crunch/Back Extension

$4,199.00 $4,699.00

Sku: CSD-ACBE/622233

Product variants

Estimated Delivery 10-14 Days

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Description

Spirit Fitness AB/Back Machine

The Spirit Fitness AB/Back Machine delivers versatile, space-efficient strength training by combining abdominal crunch and back extension exercises into a single, easy-to-use station. Built for high-traffic commercial environments, this dual-function machine helps users of all levels strengthen their core safely and effectively—with precise adjustability, intuitive positioning, and rock-solid stability.

Its heavy-duty steel frame, premium upholstery, and fully enclosed weight stack ensure long-term durability, while thoughtful touches like a built-in rep/time counter, storage trays, and adjustable range of motion enhance user experience.

Key Benefits & Features:

Dual Functionality: Easily switch between abdominal and back extension exercises with a simple adjustment.
Adjustable Roller Pad: Ensures ideal positioning for both upper chest (crunches) and back (extensions).
Dual Foot Bars: Offer enhanced lower-body stabilization during use.
Smooth Resistance Control: 190 lb weight stack with 5 lb incremental adjustments for progressive training.
Premium Comfort: Beveled pads with sport stitching and ergonomic support keep users aligned and comfortable.
Integrated Feedback: Built-in rep/time counter (battery-operated) helps users track effort and stay motivated.
Convenience Built In: Top-cap storage tray keeps essentials close by.

Specifications:

Dimensions: 51.7" L x 44" W x 62.2" H
Machine Weight: 546.5 lb
Max User Weight: 360 lb
Weight Stack: 190 lb (includes 5 lb increments, 20 lb top plate, mix of 10 lb and 15 lb plates)
Pulley Ratio: 0.5x (Ab) / 0.7x (Back)
Construction: LOOS USA Cables, heavy-gauge steel, powder-coated finish, fully enclosed weight stack

Whether you're equipping a performance training zone, rehab center, or general fitness facility, the Spirit Fitness AB/Back Machine is the ideal solution for delivering core stability, spinal support, and full-range functional strength, all in one compact footprint.

Warranty

Warranty data

US COMMERCIAL WARRANTY
10 Years Frame
5 Years Bushings, Bearings, Shocks, Pulleys, Guide Rods
1 Year Paint and Finishes, Cables, Grips, Counter/Timer, Pull-Pin Components, Rail Wheels, Attachments, All Other Parts Not Mentioned
6 Months Upholstery
1 Year Labor

*Prisons and correctional facilities are excluded from warranty coverage.

FAQs

Frequently asked question

Is the Spirit Fitness Ab Crunch/Back Extension worth the investment for a commercial gym?

Absolutely. This machine is engineered specifically for high-traffic commercial environments, featuring a heavy-duty steel frame, premium upholstery, and fully enclosed weight stacks for safety and durability. It replaces two separate machines in one compact footprint, reducing equipment costs and floor space. For gym owners prioritizing longevity, versatility, and member satisfaction, the Spirit Fitness Ab/Back Machine delivers strong return on investment.

What warranty comes with the Spirit Fitness Ab Crunch/Back Extension?

Spirit Fitness is known for offering robust commercial-grade warranties on their strength equipment, typically covering the frame, parts, and upholstery separately. Specific warranty terms can vary, so we recommend confirming current coverage details on the product page or contacting our support team before purchasing. We're happy to walk you through what's included so you can buy with confidence.

What muscle groups does the Spirit Fitness Ab/Back Machine target?

This dual-function machine targets two key core muscle groups. The abdominal crunch function engages your rectus abdominis and obliques, while the back extension function strengthens the erector spinae and lower back muscles. Training both sides of your core improves stability, posture, and overall functional strength, making it an effective and balanced addition to any strength training routine.

Can beginners use the Spirit Fitness Ab Crunch/Back Extension safely?

Yes. The machine is designed for users of all fitness levels. Intuitive positioning, precise weight adjustability, and a stable frame make it easy for beginners to learn proper form without risk of injury. The guided range of motion helps new users isolate the correct muscles effectively. Most users can get started with minimal instruction, though a quick orientation from a trainer is always helpful.

How much floor space does the Spirit Fitness Ab/Back Machine require?

One of the biggest advantages of this machine is its space-efficient design. By combining two exercises into a single station, it significantly reduces the floor space needed compared to purchasing separate ab and back extension machines. Exact dimensions are listed in the product specifications on this page. We recommend measuring your space and comparing before ordering to ensure a proper fit.

How do I adjust the Spirit Fitness Ab/Back Machine for different users?

The machine features user-friendly adjustments for seat position and resistance weight, allowing quick transitions between users of different sizes and fitness levels. Resistance is selected via a weight stack with a simple pin system, and the seat adjusts to accommodate varying torso lengths. These intuitive features make it ideal for busy commercial gyms where multiple members use the same equipment throughout the day.