JAS is an international manufacturer and supplier of a full array of range of motion treatment options – including both Static Progressive Stretch (SPS) and Dynamic Splint (DS) – to restore physical function and quality of life to patients with joint stiffness and limited range of motion caused by injury, surgery, or disease. Successful results are published in over 30 clinical studies in peer-reviewed medical journals. Our products are manufactured and shipped globally from Effingham, IL.