JAS EZ Knee Flexion

The JAS EZ Knee Flexion offers a no-compromise approach to Range of Motion (ROM) therapy — 50° flexion, 148° flexion — in a lightweight, easy-fit, single-patient use device. JAS’ innovative Motion Arc™ design, combined with infinitely adjustable ROM, assures precise end-range stretch throughout the entire treatment session. Maximal Total End Range Time (TERT) is achieve for optimal therapeutic benefit.

  • 50° Flexion
  • 148° Flexion

The patient-controlled JAS protocol allows for pain-free therapy, virtually eliminating muscle guarding and assuring excellent compliance.

Safe and Effective ROM Therapy Following

  • Total Knee Replacement
  • Ligament Repairs (ACL, PCL)
  • Meniscectomy
  • Post-Tibial/Femur Fractures
  • Arthrofibrosis
  • Burns

JAS EZ is a custom-built, single-patient use orthotic turnbuckle for the US domestic market only.


  • Anatomically correct arc of motion
  • Lightweight, easy to apply and simple to use
  • Fulcrum positioned away from joint
  • Patient-controlled, infinitely adjustable ROM
  • Simulates manual stretch


  • Delivers optimal stretch loads through entire ROM
  • Promotes excellent patient compliance
  • Eliminates joint compression
  • Assures precise and pain-free end-range stretch; virtually eliminates muscle guarding
  • Dramatically reduced treatment time ensures high patient compliance
  • Provides clinic-quality stretch in the home setting