Jackknife FUSION GRAND
Jackknife FUSION GRAND is a professional selectorized machine designed for intensive core (abdominal) training. The device enables the performance of the abdominal crunch / jackknife exercise, primarily targeting the rectus abdominis, as well as the obliques and deep trunk stabilizing muscles.

Thanks to its fixed, biomechanically correct movement path, the machine ensures maximum training effectiveness while maintaining full spinal safety. The ergonomic seated position, stable supports, and precisely engineered arms allow for complete control of the movement and proper abdominal muscle activation without excessive strain on the lumbar spine.

Jackknife FUSION GRAND is an excellent choice for fitness clubs, commercial gyms, functional training zones, and rehabilitation facilities.

Technical Specifications

• Dimensions: 1340 × 1650 × 1580 mm
• Machine weight: 295 kg
• Weight stack: 96 + 4.6 kg
• Color: Black
• Material: Steel.

 
Key Features of Jackknife FUSION GRAND

• Professional abdominal machine – ideal for isolated core training
• Enclosed weight stack – enhanced safety and aesthetic appearance
• Ergonomic handles and back supports – comfort and stability during exercise
• Adjustable components – tailored to the user’s height and body structure
• Fixed, controlled movement path – minimal risk of injury
• Biomechanically correct design – maximum abdominal muscle activation
• Smooth and quiet operation – high-quality guide rods and bearing pulleys
• Solid steel frame – designed for intensive commercial use
• Exercise instruction panel – support for beginner users
• Modern premium design – consistent with the FUSION GRAND line.

Why Should You Have Jackknife FUSION GRAND in Your Gym?
Strong abdominal muscles are essential for:

• spinal stabilization,
• proper body posture,
• reduction of back pain,
• improved performance in strength and functional training.

With Jackknife FUSION GRAND, users:

• strengthen their core muscles safely,
• improve torso control and coordination,
• reduce the risk of injury,
• can train regardless of their experience level.

This machine is ideal for beginners, athletes, and clients engaged in medical or rehabilitation training.