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 1 Preintervention clinical variables by intervention group, n (%)/mean ± SD

	Placebo group (n = 40)	Intervention group (n = 40)	P value
VAS (cm)	6.8 (1.3)	6.9 (1.5)	0.746
Strength (N)	8.8 (3.4)	9.1 (3.5)	0.761
PPT (kg/cm²)	4.7 (1.3)	4.4 (1.1)	0.279
Flexion (º)	155. 6 (16.1)	154.5 (13.4)	0.751
Extension (º)	68.9 (11.3)	70.3 (13.6)	0.631
Aduction (º)	24.7 (6.6)	22.9 (5.1)	0.183
Abduction (º)	118.9 (32.9)	116.9 (36.2)	0.794
Internal rotation (º)	66.5 (18.4)	60.9 (16.7)	0.162
External rotation (º)	70.1 (16.7)	69.6 (16.4)	0.791

Summary measures of clinical variables of interest prior to intervention. The P value resulting from the application of Student’s t-test for independent samples or the Mann-Whitney test, as appropriate. N: Newtons of force; 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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