GGP Fitness: Commercial Gym Equipment Built to Last.
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Product Parameters:
Product Name: Tornado Leg Extension Machine
Product Type: Plate-Loaded Quadriceps Training Equipment
Place of Origin: China
Weight Capacity: 300 kg+
Net Weight: Approx. 220 kg
Dimensions: Approx. 145 × 165 × 145 cm
Primary Target Muscles: Quadriceps (front thigh)
Secondary Target Muscles: Iliopsoas, Tibialis Anterior
Exercise Type: Leg Extension (Knee Flexion & Extension)
Seat Adjustment: Pneumatic-assisted adjustable backrest and seat height
Footpad Adjustment: Multi-position adjustable footpad to accommodate different leg lengths
Starting Mechanism: Lever design with CAM-driven physiological resistance curve
Resistance System: Plate-loaded structure using bodyweight and Olympic weight plates
Cushion Material: High-density PU upholstery, optional thickness (60–95 mm)
Safety Features: Thickened anti-slip rubber footpad and damping buffer system
Recommended Users: Intermediate to advanced trainees, rehab patients, bodybuilding athletes
Construction & Finish: Welded Q235 seamless steel tubing, laser cutting, and electrostatic powder coating
Certification: CE Certified (EU Safety Standards)
Applicable Venues: Commercial gyms, athletic training centers, rehabilitation clinics
Product Craftsmanship & Structural Highlights:
1. Ergonomic Resistance Curve Design
Features a lever-based physiological load path that provides smooth and natural resistance throughout the movement, aligning with the activation pattern of the quadriceps while reducing joint stress for safer and more effective training.
2. Gas-Assisted Adjustable Seat for Quick Fit
Equipped with a gas-spring adjustment system, the seat height can be easily modified to suit users of different heights and body types, enhancing comfort and training efficiency.
3. Independent Lever Arms for Unilateral or Bilateral Training
Dual independent movement arms allow for both single-leg and dual-leg training, helping to correct muscle imbalances and meet the demands of athletes or rehabilitation programs.
4. Adjustable Thrust Roller for Leg Fit and Stability
The lower leg support roller can be easily adjusted to fit various leg shapes and exercise requirements, ensuring secure contact and preventing slippage or misalignment during workouts.
5. Spring Counterbalance System for Reduced Starting Resistance
Integrated spring-assisted counterbalance helps the arms return to their starting position when unloaded, reducing initial resistance and making the machine ideal for beginners and rehab users.
6. Adjustable Starting Angle for Versatile Training
Users can set the desired starting angle to control range of motion freely, accommodating warm-up routines, functional training, or deep quadriceps activation.
7. Safety Start Handle for Secure Training Setup
A built-in start-assist handle allows users to begin movements in the correct posture, preventing compensatory patterns and injuries—especially useful for beginners or female users.
8. Optional 6 Olympic Plate Storage Pegs for Convenience
Up to six Olympic plate storage pegs can be added on both sides of the machine, providing easy access to weight plates and helping to keep the training area organized and efficient.
