Paulo Henrique Muniz Ferreira

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STUDY DESIGN Ultrasound and electromyographic (EMG) measures of trunk muscle activity were compared between low back pain (LBP) and control subjects in a cross-sectional study. OBJECTIVES To compare the recruitment of the abdominal muscles (measured as a change in thickness with ultrasound imaging) between people with and without low back pain and to(More)
BACKGROUND Existing guidelines and systematic reviews provide inconsistent recommendations on epidural corticosteroid injections for sciatica. Key limitations of existing reviews are the inclusion of trials with active controls of unknown efficacy and failure to provide an estimate of the size of the treatment effect. PURPOSE To determine the efficacy of(More)
BACKGROUND The working alliance, or collaborative bond, between client and psychotherapist has been found to be related to outcome in psychotherapy. PURPOSE The purpose of this study was to investigate whether the working alliance is related to outcome in physical rehabilitation settings. DATA SOURCES A sensitive search of 6 databases identified a total(More)
OBJECTIVE To investigate the efficacy and tolerability of analgesic and adjuvant pain drugs typically administered in primary care for the management of patients with sciatica. DESIGN Systematic review. Data source International Pharmaceutical Abstracts, PsycINFO, Medline, Embase, Cochrane Central Register of Clinical Trials (CENTRAL), CINAHL, and LILACS.(More)
BACKGROUND The management of spinal stenosis by surgery has increased rapidly in the past two decades, however, there is still controversy regarding the efficacy of surgery for this condition. Our aim was to investigate the efficacy and comparative effectiveness of surgery in the management of patients with lumbar spinal stenosis. METHODS Electronic(More)
BACKGROUND CONTEXT The relationships between obesity and low back pain (LBP) and lumbar disc degeneration (LDD) remain unclear. It is possible that familial factors, including genetics and early environment, affect these relationships. PURPOSE To investigate the relationship between obesity-related measures (eg, weight, body mass index [BMI]) and LBP and(More)
Many manual therapists assess and treat spinal stiffness of people with low back pain. The objectives of this study were to investigate: (i) whether spinal stiffness changes after treatment; (ii) the relationship between pre-treatment spinal stiffness and change in stiffness with treatment; (iii) the relationship between spinal stiffness, pain, disability(More)
The aim of the present study was to compare the effects of applying joint mobilization at symptomatic and asymptomatic cervical levels in patients with chronic nonspecific neck pain. Forty-eight patients aged between 18 and 65 years and presenting nonspecific neck pain with a minimum duration of 3 months were recruited for the study. Included patients were(More)
BACKGROUND Cold water immersion (CWI) is a technique commonly used in post-exercise recovery. However, the procedures involved in the technique may vary, particularly in terms of water temperature and immersion time, and the most effective approach remains unclear. OBJECTIVES The objective of this systematic review was to determine the efficacy of CWI in(More)
Practice guidelines recommend various types of exercise and manipulative therapy for chronic back pain but there have been few head-to-head comparisons of these interventions. We conducted a randomized controlled trial to compare effects of general exercise, motor control exercise and manipulative therapy on function and perceived effect of intervention in(More)