Fig 1.
Overview of the research landscape on photobiomodulation therapy for knee osteoarthritis.
Fig 2.
Schedule of enrolment, interventions, and assessments.
Fig 3.
Study flowchart.
Fig 4.
Analgesic and biostimulatory modes of photobiomodulation therapy.
Fig 5.
Treatment areas on the anteromedial and anterolateral knee.