Introducing the Nautilus One™ Lower Back Machine – a revolutionary approach to spinal strengthening and core stabilization. Engineered with precision biomechanics and our patented resistance technology, this specialized machine delivers targeted lower back development while protecting your spine through its intelligent movement path.

TRUE LUMBAR ISOLATION

Specifically designed to emulate natural spinal extension, this machine isolates the lumbar region while maintaining proper vertebral alignment throughout the full range of motion.

ANATOMICALLY-CONTOURED SUPPORT

Features a specially designed lower back pad that cradles your spine during extension, allowing for full range movement while providing optimal support and comfort.

INSTANT DIAL RESISTANCE SELECTION

Effortlessly adjust resistance with our patented dial system, selecting from 5-lb increments on the 250-lb weight stack. Optional 1-lb micro-adjustments allow for precise progressive overload.

4-BAR LINKAGE TECHNOLOGY

Our advanced 4-bar linkage and cam system provides perfectly matched resistance through every degree of spinal extension, maintaining optimal tension while protecting vertebral joints.

MULTI-VERTEBRAE MOVEMENT PATTERN

Unique mechanism emulates the natural rotation around multiple vertebrae, creating a more functional strengthening pattern compared to traditional lower back machines.

COMMERCIAL-GRADE DURABILITY

Built with heavy-duty steel construction to withstand constant gym use. The streamlined design features fewer wear points for long-term reliability.

Dimensions: W: 51" (130 cm) | L: 50" (127 cm) | H: 49" (124 cm) Weight Stack: 250 lbs (125 kg) standard Machine Weight: 719 lbs (326 kg) | Shipping Weight: 845 lbs (384 kg) SKU: S6LB

The Nautilus One™ Lower Back Machine represents a breakthrough in spinal strengthening technology – combining scientific biomechanics with unparalleled safety features. Ideal for athletes, rehabilitation patients, and anyone seeking to improve core stability, this machine delivers targeted lumbar development through its intelligent movement system while protecting your spine.