Publications by authors named "Martin Descarreaux"

Article Synopsis
  • Fibromyalgia and chronic primary low back pain are classified together as chronic primary pain conditions, both posing significant biopsychosocial challenges, leading to a review exploring their similarities and differences in pain, physiological, and psychological outcomes.
  • The review analyzed 19 studies involving a total of 2801 participants, revealing that fibromyalgia patients experienced more severe pain sensitivity and psychological distress compared to those with low back pain, despite similarities in pain intensity and quality of life impacts.
  • The findings suggest that while both conditions affect individuals’ quality of life similarly, fibromyalgia is associated with higher overall severity, particularly in terms of pain sensitivity and mental health issues like depression and anxiety. *
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Article Synopsis
  • Health equity means everyone should have the same opportunity to get good healthcare, but some people don’t because of unfair differences.* -
  • A study was done to look at how health inequities affect the treatment of people with low back pain, and it found that factors like age, gender, and race play a big role in who gets care and what kind.* -
  • For example, older people and women seek help for low back pain more than men, and white people are often given more treatment options than people from other racial backgrounds.*
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With expertise, athletes develop motor strategies that enhance sports performance or reduce functional costs. Motor variability is known as a relevant way to characterize these strategies in athletes with different levels of expertise. The aim of this scoping review is to gather and discuss the latest advances in the impact of expertise on motor variability during sports-related tasks.

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Tremblay, M, Anderson Sirois, S, Verville, W, Auger, M, Abboud, J, and Descarreaux, M. Acute upper-body and lower-body neuromuscular fatigue effect on baseball pitchers' velocity: A pilot study. J Strength Cond Res 38(8): 1447-1452, 2024-The purpose of this pilot study was to explore the acute effect of upper-body and lower-body neuromuscular fatigue protocols on baseball pitchers' velocity.

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Background: In patients with fibromyalgia, exercise and education are recommended to decrease pain level and improve pain management. The latest scientific evidence recommends to focus interventions on the upper limb. The aim of this pilot study was to compare the immediate effect of physical activity education vs.

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Background: Similar impact on proprioception has been observed in participants with lumbar delayed-onset muscle soreness (DOMS) and chronic low back pain (LBP), raising questions about the relevance of lumbar DOMS as a suitable pain model for LBP when assessing back pain-related postural stability changes.

Research Question: Does lumbar DOMS impact postural stability?

Methods: Twenty healthy adults participated in this experimental study and underwent a posturographic examination before and 24 to 36 h after a protocol designed to induce lumbar DOMS. Posturographic examination was assessed during quiet standing on both feet with eyes opened (EO), with eyes closed (EC), and on one-leg (OL) standing with eyes opened.

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Manual therapy (MT) is commonly used in rehabilitation to deal with motor impairments in Parkinson's disease (PD). However, is MT an efficient method to improve gait in PD? To answer the question, a systematic review of clinical controlled trials was conducted. Estimates of effect sizes (reported as standard mean difference (SMD)) with their respective 95% confidence interval (95% CI) were reported for each outcome when sufficient data were available.

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Background: Low back pain (LBP) accounts for a significant proportion of primary care visits. Despite the development of evidence-based guidelines, studies point to the inefficient use of healthcare resources, resulting in over 60.0% of patients with LBP being referred to spine surgeons without any surgical indication.

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Objectives: The objectives were (1) to describe and compare headache-related clinical features between teleworkers with migraine and those with tension-type headache (TTH) and (2) to determine the association between coping strategies and headache frequency, and intensity in the context of the COVID-19 pandemic.

Methods: This cross-sectional online survey was conducted with 284 teleworkers (127 with migraine and 157 with TTH). Sociodemographic data, information related to work factors, headache clinical features, coping strategies used during the COVID-19 pandemic, and headache-related clinical features were compared between headache profiles.

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Article Synopsis
  • - Spinal mobilization (SMob) is a common treatment for spinal pain, but previous studies have issues with clarity in their methods, making it hard to interpret results.
  • - This study reviewed literature from various databases to analyze the characteristics of SMob, focusing on force-time metrics, the types of participants involved, and the regions of the spine being treated.
  • - Out of 7,607 records, 36 studies were included, showing that most SMob treatments targeted the lumbar and cervical spines; results indicated a wide range of force and duration used in these treatments, highlighting inconsistencies that future research should address.
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This study aims to identify how spatial distribution of lumbar muscle activity is modulated by different fatigue tasks. Twenty healthy adults performed two different isometric trunk extension endurance tasks (the modified Sorensen test and the inverted modified Sorensen test) until exhaustion. During these tasks, bilateral superficial lumbar muscle activity was recorded using high-density electromyography.

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Article Synopsis
  • Spinal manipulation (SM) is an effective treatment for musculoskeletal disorders, and understanding its kinetic parameters (like force application and thrust duration) can help identify what makes it clinically effective.
  • This study conducted a scoping literature review, analyzing relevant studies to synthesize existing data on force-time characteristics of SM, utilizing databases like MEDLINE and Embase up until October 2022.
  • Out of 7,607 records reviewed, only 66 studies met the criteria for analysis, revealing variations in the spinal regions treated (cervical, thoracic, lumbopelvic) and emphasizing the need for clearer data on SM's force-time characteristics.
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Background: The purpose of this study was to investigate how feedback and self-assessment strategies affect performance and retention of manual skills in a group of chiropractic students.

Methods: Seventy-five students participated in two spinal manipulation (SM) learning sessions using a force-sensing table. They were recruited between May and November 2022 during HVLA technical courses.

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  • The study investigates the difference between the force applied to a cadaver's thoracic spine during spinal manipulative therapy (SMT) and the force measured by a specialized force-sensing table, aiming to understand force amplification effects in SMT.
  • Researchers conducted experiments on nine human cadaver specimens by applying various SMT thrusts and measuring the resulting forces and vertebral displacements using a force plate and kinematic markers.
  • Findings show that a significant percentage (60%) of SMT trials resulted in less force measured at the table than applied, with peak force, duration, thoracic thickness, and vertebral displacement being key factors influencing the force differences.
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Low back pain ranks as the leading cause of years lived with disability worldwide. Although best practice guidelines share a consistent diagnostic approach for the evaluation of patients with low back pain, confusion remains as to what extent patient history and physical examination findings can inform management strategies. The aim of this study was to summarize evidence investigating the diagnostic value of patient evaluation components applicable in primary care settings for the diagnosis of low back pain.

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Background: Lumbar spinal stenosis (LSS) causing neurogenic claudication (NC) is a leading cause of disability which is intimately related to a decrease in walking capacity. Walking limitation has negative physical and mental impacts on patients. Recent guidelines recommend the use of conservative treatment options such as exercises before considering surgery.

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Objectives: To improve our understanding of patients' perspectives regarding: (1) the decision-making and prehabilitation before lumbar spinal stenosis (LSS) surgery and (2) their postoperative experiences.

Design: Qualitative research with semi-structured interviews.

Setting: General community.

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Objectives: The purpose of this study was to investigate in cadaveric specimens the reliability of measuring cervical intradiscal pressure (CIDP) and if posterior-anterior (PA) mobilizations targeting the cervical spine were associated with CIDP changes.

Methods: Cervical PA mobilizations were performed on the spinous processes of 7 (3 men, 4 women) cadaveric specimens using a servo-controlled linear actuator to provide 25N and 45N forces. CIDP measurements were performed at C4-5, C5-6, C6-7, and C7-T1 intervertebral discs (IVDs) using a fiberoptic catheter system that recorded CIDP for each IVD cervical segment.

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Introduction: Exercise is the most recommended treatment for chronic low back pain (CLBP) and is effective in reducing pain, but the mechanisms underlying its effects remain poorly understood. Exercise-induced hypoalgesia (EIH) may play a role and is thought to be driven by central pain modulation mechanisms. However, EIH appears to be disrupted in many chronic pain conditions and its presence in people with CLBP remains unclear.

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Background: Mastectomy is the first-line treatment approach for more than 90% of breast cancer patients. The numerous physical impairments associated with this surgical procedure negatively impact the patient's quality of life. To date, rehabilitation resources available for breast cancer patients undergoing mastectomy within the institutions affiliated to the Centre intégré universitaire de soins de santé et de services sociaux de la Mauricie-et-du-Centre-du-Québec (CIUSSS-MCQ) are lacking and do not always seem to reflect the particularities of breast cancer care pathways.

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Objective: The purpose of this study was to compare the immediate effect of spinal manipulation (SMa) and spinal mobilization (SMo) on muscular responses, spinal stiffness, and segmental spinal pressure evoked pain in a population of participants with chronic middle back pain (MBP).

Methods: In a crossover randomized trial, 2 experienced chiropractors assessed whether volunteers were eligible for the protocol according to a list of specific inclusion and exclusion criteria. Individuals with MBP participated in 2 experimental sessions within 72 hours.

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Study Design: Secondary analysis of a randomized controlled trial.

Objective: To identify preoperative physical variables associated with favorable postoperative outcome in individuals undergoing laminectomy or laminotomy for degenerative central lumbar spinal stenosis.

Summary Of Background Data: Clinical or condition specific variables have most commonly been studied as predictors of postoperative outcome in lumbar spinal stenosis.

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Objective assessments of players performance and individual characteristics are increasingly used in baseball. However, evidence linking individual characteristics to players' performance are scarce. The purpose of the study was to identify across ages, in younger males and females, and to compare, in younger males, the anthropometrics, athletic abilities and perceptual-cognitive skills associated with baseball pitcher's ball velocity.

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This study was designed to identify neuromuscular adaptations of low back pain (LBP) cyclists , and the impact of a cycling effort on spinal shrinkage. Forty-eight trained cyclists rode their road bike on a smart trainer for 1-hour. Surface electromyography (EMG) recorded muscle activity of the lumbar erector spinae (LES), 3D motion analysis system recorded kinematic of the trunk, and stadiometry measured spinal height.

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