Osteoarthritis Management Through Electrophysical and Therapeutic Interventions

Osteoarthritis is a progressive degenerative joint disorder characterised by cartilage breakdown, subchondral bone remodelling and synovial inflammation, leading to pain, stiffness and functional decline. Contemporary management emphasises conservative, non-pharmacological strategies to alleviate symptoms and slow progression. Central to conservative care is exercise therapy tailored to patient capacity, often combined with electrophysical modalities—such as transcutaneous electrical nerve stimulation, low-level laser therapy, photobiomodulation and diathermy—to modulate nociception, improve muscle performance and enhance tissue repair. Neuromuscular electrical stimulation and whole-body electromyostimulation augment quadriceps strength, while blood flow restriction during low-load exercise has emerged as a method to amplify muscular adaptations. Therapeutic taping and bracing provide additional mechanical support and pain relief. Individually prescribed multimodal protocols have demonstrated improvements in pain, functional performance and quality of life, offering a global framework for delaying surgical intervention and reducing dependence on pharmacotherapy.

Research from Nature Portfolio

Recent studies have compared different wavelengths of low-level laser therapy in knee osteoarthritis rehabilitation. One trial demonstrated that 808 nm irradiation yielded greater gains in quadriceps extensor strength and modest improvements in flexor performance compared with 660 nm and sham treatments, alongside enhancements in sit-to-stand and walk tests. Another investigation applied transcutaneous electrical nerve stimulation in individuals with early-stage knee osteoarthritis and observed a reduction in stair-climb time by nearly half a second, attributed to improved transition-phase mechanics and pain relief. These findings underpin recommendations to integrate targeted laser and electrical stimulation modalities into multidisciplinary rehabilitation programmes for knee osteoarthritis.

Osteoarthritis Management Through Electrophysical and Therapeutic Interventions publication trend

The graph below shows the total number of articles in osteoarthritis management through electrophysical and therapeutic interventions across all publications each year (not limited to Nature Index journals).

Technical terms

Electrophysical modalities: Non-invasive energy-based treatments (electrical currents, light, ultrasound) applied to modulate tissue physiology and alleviate symptoms.

Low-level laser therapy (LLLT): Application of low-power laser light at specific wavelengths to stimulate cellular repair, reduce inflammation and relieve pain without thermal effects.

Photobiomodulation: Use of red or near-infrared light to induce photochemical changes in cells, promoting tissue regeneration and analgesia.

Transcutaneous electrical nerve stimulation (TENS): Delivery of pulsed electrical currents via surface electrodes to inhibit nociceptive transmission and reduce pain perception.

Whole-body electromyostimulation (WB-EMS): Simultaneous electrical stimulation of multiple muscle groups through specialised suits or electrodes to enhance muscle activation during exercise.

Blood flow restriction (BFR): Technique of partially occluding venous return during low-load exercise to increase metabolic stress and induce muscular adaptation comparable to high-load training.

References

1. The effects of low-level laser therapy on muscle strength and functional outcomes in individuals with knee osteoarthritis: a double-blinded randomized controlled trial. Scientific Reports (2023).
2. Transcutaneous Electrical Nerve Stimulation Improves Stair Climbing Capacity in People with Knee Osteoarthritis. Scientific Reports (2020).
3. Effectiveness of Blood Flow Restriction on Functionality, Quality of Life and Pain in Patients with Neuromusculoskeletal Pathologies: A Systematic Review. International Journal of Environmental Research and Public Health (2023).
4. Influence of Isometric Exercise Combined With Electromyostimulation on Inflammatory Cytokine Levels, Muscle Strength, and Knee Joint Function in Elderly Women With Early Knee Osteoarthritis. Frontiers in Physiology (2021).
5. Exercise program combined with electrophysical modalities in subjects with knee osteoarthritis: a randomised, placebo-controlled clinical trial. BMC Musculoskeletal Disorders (2020).