Spirit Fitness SP-3521 Rotary Torso

The Spirit Fitness SP-3521 Rotary Torso is a commercial-grade strength machine designed to target the obliques and core through a controlled rotational movement. Built to stabilize both the upper and lower body, it ensures safe, biomechanically correct twisting while maximizing muscle engagement. With adjustable positioning, smooth resistance, and a space-efficient footprint, the SP-3521 delivers precise and effective core training for modern fitness environments.

PIN: SP-3521

Targeted Oblique & Core Activation
Controlled rotary motion effectively engages obliques and deep core muscles for improved stability and strength.

Adjustable Range of Motion
Allows users to customize rotation limits based on flexibility, comfort, or training goals.

Upper Body Stabilization System
Chest pads secure the torso during movement, ensuring proper form and reducing strain on the spine.

Lower Body Support with Thigh Pads & Footrests
Large pads and foot supports stabilize the lower body for controlled, isolated rotation.

Adjustable Seat Alignment
Aligns the user’s torso with the machine’s pivot axis for optimal biomechanics.

Smooth Cable-Driven Resistance
Provides fluid, consistent resistance throughout the full rotational range.

Integrated Storage Convenience
Built-in top-cap storage keeps personal items like phones and water bottles within reach.

Commercial-Grade Construction
Heavy-duty steel frame and premium components ensure durability in high-traffic facilities.

Technical Specifications

Performance

Exercise Type: Rotary torso (core & oblique training)
Resistance System: Selectorized weight stack
Weight Stack: 90 kg standard / optional 110 kg (195–240 lb)
Increment: 7.5 lb increments
Movement: Cable-driven rotational system
Target Muscles: Obliques, abdominals, and core stabilizers

Design & Build

Frame: Heavy-duty commercial-grade steel
Finish: Durable powder-coated surface
Pads: Adjustable chest pads and large thigh supports
Seat: Adjustable for proper user alignment
Mechanics: Adjustable range-of-motion system
Cushioning: High-density foam with premium upholstery
Convenience Features: Storage tray, enclosed weight stack

Dimensions & Capacity

Dimensions (L × W × H): 1384 × 996 × 2010 mm (54" × 39" × 79")
Machine Weight: 261 – 281 kg (575 – 620 lb)
Weight Stack: 90 – 110 kg (195 – 240 lb)
Maximum Selectable Load: Approx. 110 kg (243 lb)
Footprint: Compact commercial design suitable for strength circuits

MOVE WITH SPIRIT

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