Artigo
Do people with recurrent back pain constrain spinal motion during seated horizontal and downward reaching?
Registro en:
Clinical Biomechanics. Oxford: Elsevier Sci Ltd, v. 28, n. 8, p. 866-872, 2013.
0268-0033
10.1016/j.clinbiomech.2013.09.001
WOS:000328312800005
5553766396740969
0000-0001-9007-9274
Autor
Crosbie, Jack
Nascimento, Dafne Port
Negrão Filho, Ruben de Faria [UNESP]
Ferreira, Paulo
Resumen
Background: Although the effect of symptomatic back pain on functional movement has been investigated, changes to spinal movement patterns in essentially pain-free people with a history of recurrent back pain are largely unreported. Reaching activities, important for everyday and occupational function, often present problems to such people, but have not been considered in this population. The purpose of this study was to compare the amplitude and timing of spinal and hip motions during two, seated reaching activities in people with and without a history of recurrent low back pain (RLBP).Methods: Spinal and hip motions during reaching downward and across the body, in both directions, were tracked using electromagnetic sensors. Analyses were conducted to explore the amplitudes, velocities and timings of 3D segmental movements and to compare controls with subjects with recurrent, but asymptomatic lumbar or lumbosacral pain.Findings: We detected significant differences in the amplitude and timing of movement in the lower thoracic region, with the RLBP group restricting movement and demonstrating compensatory increased motion at the hip. The lumbar region displayed no significant between-group differences. The order in which the spinal segments achieved peak velocity in cross-reaching was reversed in RLBP compared to controls, with lumbar motion leading in controls and lagging in RLBP.Interpretation: Subjects with a history of RLBP show a number of altered kinematic features during reaching activities which are not related to the presence or intensity of pain, but which suggest adaptive changes to movement control. (C) 2013 Elsevier Ltd. All rights reserved. Univ Western Sydney, Sch Sci & Hlth, Penrith, NSW 1797, Australia Univ Sydney, Fac Hlth Sci, Clin & Rehabil Sci Res Grp, Sydney, NSW 2006, Australia Univ Sao Paulo, FMUSP, Fac Med, BR-05508 Sao Paulo, Brazil Univ Estadual Paulista, Fac Ciencias & Tecnol, Dept Fisioterapia, Lab Fisioterapia Aplicada Ao Movimento Humano, Sao Paulo, Brazil Univ Estadual Paulista, Fac Ciencias & Tecnol, Dept Fisioterapia, Lab Fisioterapia Aplicada Ao Movimento Humano, Sao Paulo, Brazil