Pain relief is associated with decreasing postural sway in patients with non-specific low back pain
TLDR
Alterations in self-reported pain intensities are closely related to changes in postural sway, suggesting that pain interference appears responsible for the altered sway in pain sufferers.Abstract:
Background: Increased postural sway is well documented in patients suffering from non-specific low back pain, whereby a linear relationship between higher pain intensities and increasing postural sway has been described No investigation has been conducted to evaluate whether this relationship is maintained if pain levels change in adults with non-specific low back pain Methods: Thirty-eight patients with non-specific low back pain and a matching number of healthy controls were enrolled Postural sway was measured by three identical static bipedal standing tasks of 90 sec duration with eyes closed in narrow stance on a firm surface The perceived pain intensity was assessed by a numeric rating scale (NRS-11) The patients received three manual interventions (eg manipulation, mobilization or soft tissue techniques) at 3-4 day intervals, postural sway measures were obtained at each occasion Results: A clinically relevant decrease of four NRS scores in associated with manual interventions correlated with a significant decrease in postural sway In contrast, if no clinically relevant change in intensity occurred (≤ 1 level), postural sway remained similar compared to baseline The postural sway measures obtained at follow-up sessions 2 and 3 associated with specific NRS level showed no significant differences compared to reference values for the same pain score Conclusions: Alterations in self-reported pain intensities are closely related to changes in postural sway The previously reported linear relationship between the two variables is maintained as pain levels change Pain interference appears responsible for the altered sway in pain sufferers This underlines the clinical use of sway measures as an objective monitoring tool during treatment or rehabilitationread more
Citations
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Postural sway and integration of proprioceptive signals in subjects with LBP
TL;DR: A model for control of postural sway is proposed that suggests that subjects with LBP use more co-contraction and less cognitive control, to maintain a standing balance when compared to subjects without LBP.
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Experimental pelvic pain impairs the performance during the active straight leg raise test and causes excessive muscle stabilization
TL;DR: It is demonstrated that pain and hyperalgesia in conditions unaffected by biomechanical SIJ impairments change the outcome of the ASLR test toward what is seen in clinical lumbopelvic pain, suggesting pain-related changes in motor control strategies potentially relevant for the transition from acute into chronic pain.
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Gender differences in postural control in people with nonspecific chronic low back pain.
TL;DR: There is no difference in most of the static and dynamic postural control variables between females and males; however, higher fear of movement, and pain intensity during activity are more associated with impaired dynamic balance in females with nonspecific chronic LBP.
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Attention demands of postural control in non-specific chronic low back pain subjects with low and high pain-related anxiety
TL;DR: Significantly reduced sway area was observed in CLBP patients with high pain-related anxiety and control subjects during the dual-task condition as compared with the single task, and A–P range was significantly reduced during dual tasking when eyes were closed with ankle vibration.
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Balance ability and postural stability among patients with painful shoulder disorders and healthy controls
TL;DR: Patients with pathological shoulder pain have deficiencies in balance ability and postural stability; however, the underlying mechanisms for this remain unclear.
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