DDA™ Articulating AFO Ankle Foot Orthosis

The sophisticated DDA™ (Dynamic Dorsi-Assist) Orthosis is designed to dynamically stretch the gastroc muscles, offsetting equinus contracturing. The use of a series of posterior articulations allows for a virtual unrestricted range of plantar or dorsiflexion. The DDA™ Orthosis also provides nearly unlimited inversion or eversion of the ankle/foot complex.

Suggested PDAC: L-4396


The DDA™ Orthosis incorporates two elastic straps attached to the distal foot section and proximal calf section. These straps can be adjusted to compensate and/or offset varus and valgus tendencies while maintaining constant dorsi-assistive force. The DDA™ Orthosis incorporates an important telescoping calf section feature that allows for shortening or lengthening of the soft tissue/musculature. This feature can also be locked out, if applicable.

DDA™ Articulating AFO Features

A clinically proven and adjustable foot orthotic that provides better patient outcomes.

  • Clinically proven for effective ambulation
  • Designed to dynamically stretch the gastroc muscles, offsetting equinus contracturing
  • Adjustable inversion and eversion
  • Adjustable dorsi and plantar flexion
  • Compatible with all liner variations that we offer if applicable (sold separately)
  • Optional varus/valgus adaptation (VCA) for improved ankle stability
  • Simplified fitting=Less follow up=Improved bottom line
  • Proven superior integrity of the superstructure


  • Immediate fit early intervention in the acute or sub acute settings for the evolving rehab patient
    • CVA, TBI, SCI, CP and Diabetic neuropathy to name a few
  • Facilitation of functional knee and ankle joint position
    • Allows for optimal dorsi/plantar flexion ankle positioning to provide adequate clearance during swing
      phase and knee and ankle stability in stance phase
  • Post musculoskeletal injury of the foot and ankle
    • Post TAL immobilization
    • Post Botox or serial casting
    • Stable fractures of the foot and ankle
    • Tendon or ligaments tear/rupture


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