Freedom Catapult Run

Xtreme Innovation, Design & Energy Return

Catapult represents the most significant advancement in prosthetic running foot technology in decades. Now runners and sprinters can experience technology that advances energy return allowing them to run farther and faster, with less effort.

  • Up to 30% greater energy return
  • Optimized propulsion and stability
  • PowerSpring customization enhances comfort and performance


Xtreme Design

Integrating the revolutionary PowerSpring into the proven C spring design, Catapult sets a new standard for running and sprinting prosthetic technology.

  • Dual spring technology increases the amount of energy stored in the system and optimizes the timing of its release
  • Energy propulsion allows users to expend less energy in a more stable and balanced design
  • Male pyramid attachment facilitates the use of a single prosthetic socket and any alignment adjustments needed to accommodate progress and training
  • Stiffness tailored to amputee weight and running style; the included soft, medium and firm PowerSprings further enhance user customization

Xtreme Enery Return

Catapult’s PowerSpring technology maximizes energy storage and energy return.


Product ID: Jogger (FX6); Sprinter* (FX7)
User Weight Rating: 166kg(365lbs)
Connector:Male pyramid
Lead Time: Contact Ortho Active Customer Service
Warranty: 12 months
Return Policy: 30 days (foot and standard tread cannot be modified)

*Sprinter design (FX7) will be required by competitive sprinters only.

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Patient Weight (lbs) * 

Patient Activity Level * 

Side * 

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SKU: FX6 Category:

Additional information

Foot Category

1, 10, 2, 3, 4, 5, 6, 7, 8, 9