Pulsed Shortwave Diathermy (PSWD) is a therapeutic modality that utilizes electromagnetic waves to generate heat within the body tissues. The term "shortwave" refers to the wavelength of the electromagnetic waves used in this treatment, and "pulsed" indicates that the waves are delivered intermittently. When combined with fiber technology, PSWD becomes even more versatile and effective in addressing various musculoskeletal conditions. PSWD with fiber technology is commonly employed in the management of musculoskeletal conditions such as osteoarthritis, rheumatoid arthritis, and various inflammatory joint disorders. The focused energy can help alleviate pain, reduce inflammation, and improve joint function. Postoperative rehabilitation often involves managing pain and promoting tissue healing. Fiber-based PSWD can be employed in rehabilitation protocols to aid in the recovery process and enhance the effectiveness of other therapeutic interventions. Pulsed Shortwave Diathermy enhances the precision, safety, and effectiveness of this therapeutic modality. As advancements in technology continue, the use of fiber optics in PSWD is likely to play a pivotal role in the evolution of rehabilitative and pain management strategies.