Manual therapy
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Comparative Study
Investigation of sleep disturbance in chronic low back pain: an age- and gender-matched case-control study over a 7-night period.
Sleep disturbance is frequently reported by people with chronic low back pain (>12 weeks; CLBP), but few studies have comprehensively investigated sleep in this population. This study investigated differences in subjectively and objectively measured sleep patterns of people with CLBP, and compared this to age- and gender matched controls. ⋯ However, no significant differences between groups were found on objective actigraphy (p > 0.05). The findings provide some evidence to support self-reported sleep assessment as an outcome measure in CLBP research, while further research is needed to determine the validity of objective sleep measurement in this population.
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Review Comparative Study
A systematic review of instruments for the assessment of work-related psychosocial factors (Blue Flags) in individuals with non-specific low back pain.
In individuals with low back pain (LBP) psychosocial factors can act as obstacles to return to work. A coloured Flags Framework has been conceptualised, in which Blue Flags represent work-related psychosocial issues. This systematic review was conducted to appraise available instruments for the assessment of Blue Flags in working age adults with non-specific LBP. ⋯ None of the instruments, in their current stage of development, can be recommended as Blue Flags assessment instruments. The ORTWQ was the only instrument that showed adequate psychometric properties but was not considered clinically feasible in its present format. Future research should focus on further psychometric development of the ORTWQ.
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Comparative Study
The relationship of transversus abdominis and lumbar multifidus clinical muscle tests in patients with chronic low back pain.
Previous research of transversus abdominis (TrA) and multifidus muscle function in the presence of chronic low back pain (LBP) has investigated these muscles in isolation. In clinical practice, it is assumed that a relationship exists between these muscles and so they are often assessed and rehabilitated together. However, no studies have tested or documented this association. This study aimed to examine the relationships between clinical muscle testing and other measures taken in the course of a clinical assessment at a back clinic. ⋯ Current clinical practice of assessment and rehabilitation of both TrA and multifidus muscles in patients with chronic LBP is supported by the findings of this study. Future studies may investigate if a neurophysiological relationship exists between these muscles.
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Neurophysiological responses related to lessening of pain sensitivity are a suggested mechanism of manual therapy. Prior studies have observed generalized lower pain thresholds associated with carpal tunnel syndrome (CTS) in comparison to healthy controls. The present study sought to determine whether similar findings were present in suprathreshold measures and measures specific to central integration of pain (temporal summation and after sensations). ⋯ Immediate lessening of mechanical pain sensitivity and after sensations in response to a manual therapy intervention and 3-week attenuation of temporal summation following a 3-week course of manual therapy were associated with 3-week changes in clinical pain intensity in participants with signs and symptoms of CTS. These findings suggest heightened pain sensitivity across several parameters may be associated with CTS. Furthermore, changes in mechanical pain, after sensation, and temporal summation may be related to improvements in clinical outcomes.
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Comparative Study
Does the region of pain influence the presence of sensorimotor disturbances in neck pain disorders?
Impairments in sensorimotor control have been demonstrated in neck pain disorders. However, there are more anatomical and neurophysiological connections between the sensorimotor control system and the upper cervical region and thus potential for greater disturbances in those with upper region pain. This study investigated whether sensorimotor impairment was greater in those suffering pain from the upper rather than lower cervical spine region, taking the onset of pain into account. ⋯ The lower non-traumatic group demonstrated significantly less (p < 0.03) deficit in SPNT compared to all other groups as well as less total energy of sway on the eyes open balance tests (p < 0.05) compared to both traumatic neck pain groups. The upper traumatic group demonstrated significantly greater JPE following rotation to the right (p < 0.04) when compared to both lower groups. Less sensorimotor dysfunction appears to occur in those with lower compared to upper cervical region pain, although this depends on whether trauma is involved in the onset of pain.