Effectiveness of Pulse Electromagnetic Field Therapy in Patients With Subacromial Impingement Syndrome: A Double-Blind Randomized Sham Controlled Study.

Objectives: To evaluate the 3-month effects of pulsed electromagnetic field therapy (PEMF) in the treatment of subacromial impingement syndrome (SIS).

Design: Planned analysis of a randomized controlled trial with 4- and 12-week follow-ups.

Setting: Physical medicine and rehabilitation clinic, treatment unit.