Interferential Current Therapy and Spray-And-Stretch in Musculoskeletal Disorders: A Narrative Review of Mechanisms, Evidence, and Clinical Positioning in the Absence of Direct Comparative Trials

Background

Interferential current therapy (ICT) and spray-and-stretch are two low-cost, non-invasive modalities that coexist on the treatment menus of outpatient musculoskeletal clinics, yet no published study has directly compared them, and no guidance document provides principled criteria for choosing between them.