Keiser A400 Abdominal

Keiser A400 Abdominal

Developing strong, fast and powerful abs is essential for upper body performance, as the core is the direct base of support for every movement. The A400 Abdominal differs from conventional machines through Keiser's low-inertia design: instead of iron weights it uses pneumatic resistance that runs smoothly and under control, protecting joints and connective tissue from shock loading.

The built-in A400 technology tracks performance in real time and syncs with the Keiser Metrics App, so training can be guided by measured data. The machine suits every fitness level, from older adults to elite athletes.

Key benefits

• Cost-effective way to provide strength training options
• Virtually zero shock to muscles, connective tissues, and joints
• Smooth Keiser Dynamic Variable Resistance
• Fully adjustable to accommodate a wide range of users
• Bilateral movement for body symmetry training
• Large digital display with resistance and counted repetitions
• Durable construction engineered for years of use
• Thick base for added stability

Keiser Dynamic Variable Resistance

Keiser's Dynamic Variable Resistance is designed to provide a smooth, consistent force curve at any training speed. Each machine has its own resistance curve, tuned for the muscles used in that particular exercise. For the user it means training at maximum efficiency at whatever speed they work.