The JAS Ankle system utilizes proven principles of Static Progressive Stretch (SPS) to achieve permanent restoration of joint ROM in three 30-minute sessions per day. The patient-controlled JAS protocol allows for pain-free therapy, virtually eliminating muscle guarding and assuring excellent compliance.

  • 55° dorsiflexion
  • 45° plantarflexion

Effective for Use Following

  • Fractures
  • Achilles Tendon Rupture/Repair
  • Burns
  • Neurologic Conditions
  • Plantar Fasciitis

JAS SPS Ankle devices are also available in child sizes as a part of our JAS Pediatric product line.


  • Triangular tower design
  • 30-minute treatment sessions
  • Custom cuffing
  • Bi-directional ROM provided in all devices
  • Patient-controlled, infinitely adjustable ROM
  • Easy to apply and simple to use


  • Eliminates joint compression
  • Dramatically reduced treatment time ensures excellent patient compliance
  • Optimal comfort and accurate stretch eliminates risk of skin breakdown
  • Saves cost; full range stress relaxation therapy in one device
  • Assures precise and pain-free end-range stretch; eliminates muscle guarding
  • Fosters compliance and results