Effectiveness of low-intensity laser on pain in patients with supraspinatus tendinopathy: A triple-blind randomized controlled trial

doi:10.5312/wjo.v17.i6.119961

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World Journal of Orthopedics

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2218-5836

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Randomized Clinical Trial

Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Orthop. Jun 18, 2026; 17(6): 119961
Published online Jun 18, 2026. doi: 10.5312/wjo.v17.i6.119961

Table 2 Between-group comparison of post-intervention clinical variables, n (%)/mean ± SD

	Placebo group (n = 40)	Intervention group (n = 40)	P value
VAS (cm)	6.1 (1.3)	4.1 (1.6)	< 0.001^a
Strength (N)	8.2 (2.9)	13.04 (3.5)	< 0.001^a
PPT (kg/cm²)	5.6 (1.1)	5.9 (1.1)	0.125
Flexion (º)	158.9 (13.6)	168.4 (12.6)	0.002^a
Extension (º)	69.5 (10.0)	81.4 (9.3)	< 0.001^a
Aduction (º)	26.3 (4.9)	27.9 (3.4)	0.338
Abducción (º)	127.8 (32.4)	163.3 (19.6)	< 0.001^a
Internal rotation (º)	66.9 (18.4)	74.3 (13.1)	0.104
External rotation (º)	70.8 (18.0)	80.5 (12.7)	0.025^a

^aP < 0.05.

Summary measures of clinical variables of interest after the intervention. The P value (P) resulting from the application of Student’s t-test for independent samples or the Mann-Whitney test, as appropriate. VAS: Visual analogue scale; PPT: Pressure pain threshold.

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Citation: Rodríguez Fragua I, Briz Benito D, Romero-Morales C, Loaiciga Espeleta C, González Raja R, Sánchez Milá Z, Rodríguez Martín L, Ferreira-Sánchez MDR, Velázquez Saornil J. Effectiveness of low-intensity laser on pain in patients with supraspinatus tendinopathy: A triple-blind randomized controlled trial. World J Orthop 2026; 17(6): 119961
URL: https://www.wjgnet.com/2218-5836/full/v17/i6/119961.htm
DOI: https://dx.doi.org/10.5312/wjo.v17.i6.119961

Rodríguez Fragua I, Briz Benito D, Romero-Morales C, Loaiciga Espeleta C, González Raja R, Sánchez Milá Z, Rodríguez Martín L, Ferreira-Sánchez MDR, Velázquez Saornil J. Effectiveness of low-intensity laser on pain in patients with supraspinatus tendinopathy: A triple-blind randomized controlled trial. World J Orthop 2026; 17(6): 119961 [DOI: 10.5312/wjo.v17.i6.119961]

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