2026-07-24T06:25:05Zhttps://repisalud.isciii.es/rest/oai/requestoai:repisalud.isciii.es:20.500.12105/183262024-02-19T15:28:02Zcom_20.500.12105_15322com_20.500.12105_2051col_20.500.12105_16927col_20.500.12105_16982
Repisalud
author
Aranda-Valera, I Concepción
author
Garrido-Castro, Juan Luis
author
Martínez-Galisteo, Alfonso
author
Peña-Amaro, José
author
González-Navas, Cristina
author
Cuesta-Vargas, Antonio
author
Jiménez-Reina, Luis
author
Collantes-Estévez, Eduardo
author
López-Medina, Clementina
2024-02-19T15:28:02Z
2024-02-19T15:28:02Z
2021-04-29
10.3390/diagnostics11050810
2075-4418
Diagnostics (Basel, Switzerland)
http://hdl.handle.net/10668/17747
33947109
http://hdl.handle.net/20.500.12105/18326
Axial spondyloarthritis (axSpA) is a chronic rheumatic disease characterized by the presence of inflammatory back pain. In patients with chronic low back pain, the lumbar flexion relaxation phenomenon measured by surface electromyography (sEMG) differs from that in healthy individuals. However, sEMG activity in axSpA patients has not been studied. The purpose of this study was to analyze the flexion relaxation phenomenon in axSpA patients. A study evaluating 39 axSpA patients and 35 healthy controls was conducted. sEMG activity at the erector spinae muscles was measured during lumbar full flexion movements. sEMG activity was compared between axSpA patients and the controls, as well as between active (BASDAI ≥ 4) and non-active (BASDAI 0.8 for 1/FRR) and criterion validity. ROC analysis showed good discriminant validity for axSpA patients (AUC = 0.835) vs. the control group using 1/FRR. An abnormal flexion/relaxation phenomenon exists in axSpA patients compared with controls. sEMG could be an additional objective tool in the evaluation of patient function and disease activity status.
eng
axial spondyloarthritis
clinimetric properties
flexion relaxation ratio
functional assessment
surface electromyography (sEMG)
Patients with Axial Spondyloarthritis Show an Altered Flexion/Relaxation Phenomenon.
research article