Journal of manipulative and physiological therapeutics
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J Manipulative Physiol Ther · Jul 1994
Randomized Controlled Trial Clinical TrialThe short-term effect of a spinal manipulation on pain/pressure threshold in patients with chronic mechanical low back pain.
The purpose of this study was to evaluate the pain/pressure threshold of selected myofascial points in subjects with chronic mechanical back pain after a single manipulation or mobilization. ⋯ The absence of significant changes may be attributed to the selection of myofascial points, the instrument sensitivity to small changes, the differences in baseline measures and the absence of effect from one intervention.
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J Manipulative Physiol Ther · May 1994
Randomized Controlled Trial Clinical TrialLymphocyte profiles in patients with chronic low back pain enrolled in a clinical trial.
Our earlier findings suggest that patients with musculoskeletal complaints have lower numbers and percentages of natural killer (NK) cells than asymptomatic subjects. This study examines patient lymphocyte profiles, as a secondary outcome measure, in a trial of manipulative therapies to treat chronic low back pain (LBP) of mechanical origin. ⋯ This is the first report of lymphocyte profiles in patients with diagnosed chronic LBP. Our finding of a lower percentage of NK cells in these patients confirms our earlier finding that patients with musculoskeletal problems have a lower percentage of NK cells than do asymptomatic subjects. However, manipulative therapy was not shown to have a clinically significant effect on either the absolute n
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J Manipulative Physiol Ther · Jan 1993
Randomized Controlled Trial Clinical TrialThe Hmax/Mmax ratio as an outcome measure for acute low back pain.
To evaluate the use of the Hmax/Mmax (H/M) ratio as an outcome measure for acute low back pain and to determine the change of this ratio in acute low back pain patients treated with spinal manipulation. ⋯ The H/M ratio was found to be within normal limits in subjects with acute low back pain. The H/M ratio showed greater change in the group which received spinal manipulation, but the change was subtle. The results indicate that the H/M ratio may be of limited value in clinical practice.
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J Manipulative Physiol Ther · Nov 1992
Randomized Controlled Trial Clinical TrialThe immediate effect of manipulation versus mobilization on pain and range of motion in the cervical spine: a randomized controlled trial.
The main objective of this study is to compare the immediate results of manipulation to mobilization in neck pain patients. ⋯ This study demonstrates that a single manipulation is more effective than mobilization in decreasing pain in patients with mechanical neck pain. Both treatments increase range of motion in the neck to a similar degree. Further studies are required to determine any long-term benefits of manipulation for mechanical neck pain.
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J Manipulative Physiol Ther · Jun 1992
Randomized Controlled Trial Clinical TrialThe effect of spinal manipulation on pain and prostaglandin levels in women with primary dysmenorrhea.
The primary objectives of this study were to compare the effect of spinal manipulation vs. sham manipulation on a) circulating plasma levels of the prostaglandin F2a metabolite, 15-keto-13,14-dihydroprostaglandin (KDPGF2a), b) perceived abdominal and back pain and c) perceived menstrual distress in women with primary dysmenorrhea. ⋯ This randomized pilot study suggests that SMT may be an effective and safe nonpharmacological alternative for relieving the pain and distress of primary dysmenorrhea. However, the large change in KDPGF2a observed in both treatment groups clearly indicates that further studies with more subjects, studied over a longer time frame, are needed to resolve the question of a placebo effect.