Leg Curl Pro

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UNLOCK HAMSTRING POTENTIAL

The A400 Leg Curl Pro is designed to train the hamstrings at speed, enhancing neuromuscular control and reducing the risk of injury. With improved ergonomics, including a repositioned chest pad, thumb buttons, and display, it offers superior comfort and ease of use. Its unilateral design allows each leg to move independently, mimicking natural movement patterns—whether training symmetrically or in a cycling motion, where one leg lifts as the other lowers. The ability to incorporate eccentric overload further strengthens the hamstrings and aids in injury prevention. Integrated with Keiser’s advanced A400 technology, this machine tracks real-time performance metrics and seamlessly syncs with the Keiser Metrics App for data-driven training optimization.

  • Industry’s best leg curl machine for eccentric loading
  • Offers unilateral and bilateral movement, each limb can be trained symmetrically
  • Increased resistance range for more intense functional workouts
  • Smooth Keiser Dynamic Variable Resistance, fully adjustable to accommodate a wide range of users
  • Large digital displays with resistance and counted repetitions
  • Resistance range : 0 – 123 kg
Display Version

A400

  • Intent: Research indicates real-time visual feedback can increase athlete intent. A400 technology provides the feedback that inspires improved performance.
  • Velocity: In addition to Power, work now with Velocity based methodology
  • Range of Motion: Identify imbalances between left and right limbs that can lead to underperformance and injury (on unilateral machines only). Train or rehab for symmetry.
  • Load Velocity Profile
  • Data: Quantify progress in load, velocity, and power automatically. Then, bring it into your analytics or records system so you can track everything.
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