Photobiomodulation Clinical Evidence

Verma 2022 |Hamstring Tendinopathy

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Verma S, Esht V, Chahal A, Kapoor G, Sharma S, Alghadir AH, Khan M, Kashoo FZ, Shaphe MA. Effectiveness of High Power Laser Therapy on Pain and Isokinetic Peak Torque in Athletes with Proximal Hamstring Tendinopathy: A Randomized Trial. Biomed Res Int. 2022 May 20;2022:4133883.

- Design : Randomized comparative study. - Subjects : 36 athletes with proximal hamstring tendinopathy

- Experimental group received HILT as monotherapy. - 50J/cm² - total energy per session was 1800 J. - Conventional group received conventional PT. - US, moist heat pack, home exercises - Both groups were treated 3 days / week for 3 weeks - Device : Litecure LCT-1000 (810/980 nm) - Results - Significant decrease of pain (by 61%) and increase of hamstring isokin. strength (by 13%) in HILT group - In conventional group, only pain decreased significantly (by 41%) while strength increase was only 1.5% and n.s. - Difference in pain decrease between groups (61% vs. 41%) was significant: significantly greater pain relief with HILT.

KEY MESSAGE: HPLT was effective for significantly improving pain and increasing hamstring muscle strength in athletes with PHT. Pain relief was significantly greater than with conventional PT.

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