INTRA-EXAMINER RELIABILITY AND VALIDITY CRITERIA OF A SMARTPHONE APPLICATION TO MEASURE THE TEST FLEXION-ROTATION IN CERVICAL SPINE IN ASYMPTOMATIC SUBJECTS. Cuestiones de Fisioterapia, [S. l.], v. 48, n. 1, p. 04–10, 2019. Disponível em: https://cuestionesdefisioterapia.com/index.php/es/article/view/121.. Acesso em: 4 dec. 2025.