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Sánchez Romero EA, Fernández Carnero J, Villafañe JH, et al. Prevalence of Myofascial Trigger Points in Patients with Mild to Moderate Painful Knee Osteoarthritis: A Secondary Analysis. J Clin Med. 2020;9(8)doi: 10.3390/jcm9082561.
Sánchez Romero, E. A., Fernández Carnero, J., Villafañe, J. H., Calvo-Lobo, C., Ochoa Sáez, V., Burgos Caballero, V., Laguarta Val, S., Pedersini, P., & Pecos Martín, D. (2020). Prevalence of Myofascial Trigger Points in Patients with Mild to Moderate Painful Knee Osteoarthritis: A Secondary Analysis. Journal of clinical medicine, 9(8), . https://doi.org/10.3390/jcm9082561
Sánchez Romero, Eleuterio A, et al. "Prevalence of Myofascial Trigger Points in Patients with Mild to Moderate Painful Knee Osteoarthritis: A Secondary Analysis." Journal of clinical medicine vol. 9,8 (2020). doi: https://doi.org/10.3390/jcm9082561
Sánchez Romero EA, Fernández Carnero J, Villafañe JH, Calvo-Lobo C, Ochoa Sáez V, Burgos Caballero V, Laguarta Val S, Pedersini P, Pecos Martín D. Prevalence of Myofascial Trigger Points in Patients with Mild to Moderate Painful Knee Osteoarthritis: A Secondary Analysis. J Clin Med. 2020 Aug 07;9(8). doi: 10.3390/jcm9082561. PMID: 32784592; PMCID: PMC7464556.
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J Clin Med. 2020 Aug 07;9(8). doi: 10.3390/jcm9082561.

Prevalence of Myofascial Trigger Points in Patients with Mild to Moderate Painful Knee Osteoarthritis: A Secondary Analysis.

Journal of clinical medicine

Eleuterio A Sánchez Romero, Josué Fernández Carnero, Jorge Hugo Villafañe, César Calvo-Lobo, Victoria Ochoa Sáez, Verónica Burgos Caballero, Sofia Laguarta Val, Paolo Pedersini, Daniel Pecos Martín

Affiliations

  1. Department of Physiotherapy, Faculty of Biomedical and Health Sciences, Universidad Europea de Madrid, 28670 Madrid, Spain.
  2. Musculoskeletal Pain and Motor Control Research Group, Faculty of Health Sciences, Universidad Europea de Madrid, 28670 Madrid, Spain.
  3. Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Rey Juan Carlos University, 28943 Madrid, Spain.
  4. La Paz Hospital Institute for Health Research, IdiPAZ, 28922 Madrid, Spain.
  5. Grupo Multidisciplinar de Investigación y Tratamiento del Dolor, Grupo de Excelencia Investigadora URJC-Banco de Santander, 28922 Madrid, Spain.
  6. IRCCS Fondazione Don Carlo Gnocchi, 20161 Milan, Italy.
  7. Faculty of Nursing, Physiotherapy and Podiatry, Complutense University of Madrid, 28040 Madrid, Spain.
  8. Older-adult care center "Manuel Herranz", Pozuelo de Alarcón, 28223 Madrid, Spain.
  9. Department of Physical Therapy of Alcalá University, Alcalá de Henares, 28805 Madrid, Spain.

PMID: 32784592 PMCID: PMC7464556 DOI: 10.3390/jcm9082561

Abstract

OBJECTIVE: To determine the prevalence of myofascial trigger points (MTrPs) and the correlation between the number of MTrPs and pain and function in patients presenting knee pain osteoarthritis (OA).

METHODS: This was a secondary analysis of data from a cross-sectional study. The prevalence of MTrPs located in tensor fasciae latae, hip adductors, hamstrings, quadriceps, gastrocnemius, and popliteus muscles was studied in 114 patients (71 men and 43 women) with knee OA. Pain and functionality were assessed with a numerical pain rating scale (NPRS), the Western Ontario, McMaster Universities Osteoarthritis Index (WOMAC) score, the Barthel Index, and the timed up and go test.

RESULTS: The prevalence of latent MTrPs was detected via palpation and was estimated to be 50%, 35%, 25%, 29%, 33%, and 12% for tensor fasciae latae, hip adductors, hamstrings, quadriceps, gastrocnemius, and popliteus muscles, respectively. The prevalence of active MTrPs was estimated to be 11%, 17%, 30%, 18%, 25%, and 17% for tensor fasciae latae, hip adductors, hamstrings, quadriceps, gastrocnemius, and popliteus muscles, respectively. Pain was measured with the NPRS scale and was poorly correlated with the prevalence of latent MTrPs (r = 0.2;

CONCLUSIONS: This secondary analysis found that the prevalence of the MTrPs varied from 11% to 50% in different muscles of patients with mild to moderate painful knee osteoarthritis. Pain was correlated poorly with the prevalence of latent and active MTrPs in the hamstring muscles, and disability correlated moderately with the number of latent MTrPs in tensor fasciae latae.

Keywords: knee; myofascial pain; osteoarthritis

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