International Journal on Science and Technology

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Effectiveness of Interferential Therapy on Pain and Functional Disability in Patients with Cervical Spondylosis

Author(s) Ganesh G.S., Abhishek V.D., Panduranga Katwe, Jayanth M.C., Dr. Parameshwara M.N.
Country India
Abstract Background: Cervical spondylosis is a common degenerative disorder of the cervical spine characterised by neck pain, stiffness, and functional limitation. Interferential Therapy (IFT) is a non-invasive electrotherapeutic modality that uses medium-frequency currents to produce analgesic effects, improve circulation, reduce muscle spasm, and support functional recovery.
Objectives: To evaluate the effectiveness of Interferential Therapy on pain intensity, functional disability, and selected domains of quality of life in patients with cervical spondylosis.
Materials and Methods: A single-group pre–post interventional study was conducted on 10 participants who fulfilled the inclusion criteria. IFT was applied to the cervical region for 20 minutes daily for 10 consecutive days. Outcomes were assessed before and after the intervention using the Visual Analogue Scale (VAS), Neck Disability Index (NDI), and Short Form-36 (SF-36) Health Survey. Data were analysed using paired samples t-tests.
Results: Mean VAS score decreased significantly from 5.10 ± 0.74 to 2.00 ± 0.94 (p < 0.001). Mean NDI score decreased from 31.34 ± 15.51 to 9.65 ± 7.42 (p < 0.001). SF-36 showed statistically significant improvements in the Physical Functioning and General Health domains; other domains improved but did not reach statistical significance.
Conclusion: Interferential Therapy is an effective conservative modality for reducing pain and functional disability and for improving selected physical domains of quality of life in patients with cervical spondylosis. Larger controlled trials are recommended.
Keywords Cervical spondylosis; Interferential Therapy; neck pain; Visual Analogue Scale; Neck Disability Index; SF-36; electrotherapy
Field Medical / Pharmacy
Published In Volume 17, Issue 3, July-September 2026
Published On 2026-08-22
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Crossref DOI prefix of IJSAT is 10.71097/IJSAT

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