TY - JOUR AU - Aranda-Valera, Concepción I. AU - Garrido-Castro, Juan Luis AU - Martínez-Galisteo, Alfonso AU - Peña-Amaro, José AU - González-Navas, Cristina AU - Cuesta-Vargas, Antonio AU - Jiménez-Reina, Luis AU - Collantes-Estévez, Eduardo AU - López-Medina, Clementina PY - 2021 DO - 10.3390/diagnostics11050810 UR - http://hdl.handle.net/10668/4105 T2 - Diagnostics AB - 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)... LA - en PB - MDPI KW - Axial spondyloarthritis KW - Surface electromyography (sEMG) KW - Flexion relaxation ratio KW - Functional assessment KW - Clinimetric properties KW - Espondiloartritis axial KW - Electromiografía KW - Relajación KW - Radio KW - Estado funcional KW - Medical Subject Headings::Organisms::Eukaryota::Animals::Chordata::Vertebrates::Mammals::Primates::Haplorhini::Catarrhini::Hominidae::Humans KW - Medical Subject Headings::Analytical, Diagnostic and Therapeutic Techniques and Equipment::Diagnosis::Diagnostic Techniques and Procedures::Electrodiagnosis::Electromyography KW - Medical Subject Headings::Diseases::Nervous System Diseases::Neurologic Manifestations::Pain::Back Pain::Low Back Pain KW - Medical Subject Headings::Analytical, Diagnostic and Therapeutic Techniques and Equipment::Investigative Techniques::Epidemiologic Methods::Epidemiologic Research Design::Reproducibility of Results KW - Medical Subject Headings::Analytical, Diagnostic and Therapeutic Techniques and Equipment::Investigative Techniques::Epidemiologic Methods::Statistics as Topic::Sensitivity and Specificity::ROC Curve KW - Medical Subject Headings::Persons::Persons::Volunteers::Healthy Volunteers KW - Medical Subject Headings::Analytical, Diagnostic and Therapeutic Techniques and Equipment::Investigative Techniques::Epidemiologic Methods::Statistics as Topic::Area Under Curve KW - Medical Subject Headings::Analytical, Diagnostic and Therapeutic Techniques and Equipment::Investigative Techniques::Epidemiologic Methods::Epidemiologic Research Design::Control Groups KW - Medical Subject Headings::Diseases::Musculoskeletal Diseases::Rheumatic Diseases KW - Medical Subject Headings::Anatomy::Musculoskeletal System::Muscles::Muscle, Skeletal TI - Patients with Axial Spondyloarthritis Show an Altered Flexion/Relaxation Phenomenon TY - research article ER -