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2,770 results
  • Myofibrillar Myopathy Mimicking Polyneuropathy. [Case Reports]
    Case Rep Neurol. 2020 Jan-Apr; 12(1):97-102.Bourque PR, Breiner A, Warman-Chardon J
  • A 76-year-old man with a 5-year history of gait difficulties was suspected to have length-dependent sensorimotor polyneuropathy. Electrodiagnostic results pointed to a foot drop of neurogenic etiology, except for the prominence of myotonic discharges on needle EMG. Tests for acquired and genetic causes of polyneuropathy were unrevealing. The patient's first-degree cousin, with a much different cl…
  • The lumbar multifidus is characterised by larger type I muscle fibres compared to the erector spinae. [Journal Article]
    Anat Cell Biol. 2020 Jun 30; 53(2):143-150.Agten A, Stevens S, … Vandenabeele F
  • The metabolic capacity of a muscle is one of the determinants of muscle function. Muscle fiber type characteristics give an indication about this metabolic capacity. Therefore it might be expected that the lumbar multifidus (MF) as a local stabilizer contains higher proportions of slow type I fibers, compared to the erector spinae (ES) as a global mobilizer. The aim of this study is to determine …
  • Intervertebral disc herniation effects on multifidus muscle composition and resident stem cell populations. [Journal Article]
    JOR Spine. 2020 Jun; 3(2):e1091.Agha O, Mueller-Immergluck A, … Bailey JF
  • CONCLUSIONS: The multifidus in patients with disc herniation contains large percentages of FAPs and SCs with different gene expression profiles compared to those in the hamstring. These results may help explain the tendency for the multifidus to atrophy and form FI and fibrosis as well as elucidate potential approaches for mitigating these degenerative changes by leveraging these muscle stem cell populations.
  • Permanent muscle weakness in hypokalemic periodic paralysis. [Journal Article]
    Neurology. 2020 Jun 24 [Online ahead of print]Holm-Yildiz S, Witting N, … Vissing J
  • CONCLUSIONS: Our results show that phenotype in individuals with HypoPP-causing mutations in CACNA1S varies from asymptomatic to periodic paralysis with or without permanent muscle weakness or permanent weakness as sole presenting picture. Variable phenotypes are found within families. Muscle MRI reveals fat replacement in patients with no permanent muscle weakness, suggesting a convergence of phenotype towards a fixed myopathy with aging.
  • Reciprocal relationship between multifidus and psoas at L4-L5 level in women with low back pain. [Journal Article]
    Br J Neurosurg. 2020 Jun 24 [Online ahead of print]Özcan-Ekşi EE, Ekşi MŞ, … Pamir MN
  • Background Low back pain (LBP) may originate from different sources such as intervertebral disc degeneration (IVDD), end-plate and paraspinal muscle changes. Our aim is to explore the relevance of paraspinal muscles' fat-infiltration in women with LBP and its association with IVDD and Modic changes.Methods Consecutive female patients presenting with chronic LBP to the outpatient clinics were incl…
  • Quantitative electromyography: Normative data in paraspinal muscles. [Journal Article]
    Muscle Nerve. 2020 Jun 12 [Online ahead of print]Jeppesen TD, Levison L, … Krarup C
  • CONCLUSIONS: In contrast to limb muscles, EMG parameters did not change with age, while polyphasic potentials were more frequent in paraspinal muscle than in limb muscles. The EMG gradient suggests larger motor units at more caudal segments. This article is protected by copyright. All rights reserved.
  • Learning from mistakes: Pancreatic laceration - Devastating complication during spine surgery. [Case Reports]
    World Neurosurg. 2020 Jun 06 [Online ahead of print]Rathod T, Sathe A, … Kolur S
  • CONCLUSIONS: This case illustrates that possibility of pancreatic injury should always be kept in mind if patient develops acute abdominal discomfort in post-operative period. Also, a multidisciplinary approach along with intensive care back-up and vigilant post-operative monitoring are of utmost importance, especially when an unusual event has occurred during the surgery.
  • StatPearls: Anatomy, Abdomen and Pelvis, Posterior Abdominal Wall Nerves [BOOK]
    . StatPearls Publishing: Treasure Island (FL) Nunn James F. JF CUSOM Khan Yusuf S. YS Al Farabi College of Medicine, Riyadh, KSA BOOK
  • The abdominal cavity is a closed cavity that acts as a protection for all the abdominal viscera. The abdominal wall is a physical barrier that prevents injuries of traumatic or microbial etiology. It acts as a scaffold for the abdominal viscera to affix for proper anatomical and physiological functions, such as increasing intra-abdominal pressure for various normal activities (i.e., defecation, c…
  • Implied Evidence of the Functional Role of the Rectus Capitis Posterior Muscles. [Journal Article]
    J Am Osteopath Assoc. 2020 Jun 01; 120(6):395-403.Hallgren RC, Rowan JJ
  • CONCLUSIONS: The EMG activation patterns of the RCPm muscles suggest that their functional role may be to stabilize the occipitoatlantal joint by helping maintain congruency of the joint surfaces. In contrast, the EMG activation patterns of the RCPM muscles suggest that their functional role may be to contribute to extension of the head, primarily at the occipitoatlantal and the atlantoaxial joints.
  • How to Prevent Sarcopenia Occurrence during Neoadjuvant Chemotherapy for Oesogastric Adenocarcinoma? [Journal Article]
    Nutr Cancer. 2020 May 25 [Online ahead of print]Voisinet M, Venkatasamy A, … Romain B
  • The aim of this study was to evaluate the impact of a preoperative feeding jejunostomy (FJ) on the occurrence of sarcopenia before and after preoperative chemotherapy for patients with an oesogastric adenocarcinoma (OGA). Forty-six patients with potentially resectable OGA were enrolled in a perioperative chemotherapy protocol. Sarcopenia was evaluated by measuring muscle surfaces (psoas, paraspin…
  • Inconsistent descriptions of lumbar multifidus morphology: A scoping review. [Journal Article]
    BMC Musculoskelet Disord. 2020 May 19; 21(1):312.Hofste A, Soer R, … Groen GJ
  • CONCLUSIONS: Anatomical studies of LM exhibit inconsistent findings, describing its location as superficial (50%), deep (25%), or both (12%). This is in sharp contrast to anatomy atlases, which depict LM predominantly as deep muscle. Within the limitations of the self-developed quality-assessment tool, high-quality scores were identified in a majority of studies (42%), but in only one anatomy atlas.We identified a lack of standardization in the depiction and description of LM morphology. This could affect the precise understanding of its role in background and therapy in LBP patients. Standardization of research methodology on LM morphology is recommended. Anatomy atlases should be updated on LM morphology.
  • Are We Missing the Opportunity to Measure Muscle Mass on Computed Tomography Thorax? [Journal Article]
    J Thorac Imaging. 2020 Apr 28 [Online ahead of print]Bryl B, Merrix S, … Duckers J
  • Hand grip strength (HGS) and fat free mass index (FFMI) are important indicators of skeletal muscle mass and correlate with prognosis in patients with respiratory diseases. It is also possible to estimate muscle mass by measuring muscle density and volume on cross sectional imaging. We reviewed all patients of the All Wales Cystic Fibrosis Centre who had a computed tomography thorax as part of ro…
  • Spinal-Pelvic Dissociation in Pregnancy: Surgical Fixation of Culture-Negative Extrapulmonary Tuberculosis. [Case Reports]
    Case Rep Orthop. 2020; 2020:9769076.Taha A, Rogers J, … Gillespie P
  • A 33-year-old gravid female from Pakistan presented to the Emergency Department with persistent, intractable low back pain and neuropathic left L5 leg pain, associated with a left foot drop. There was a notable history of weight loss for 1 year. Investigations revealed a large collection in the right posterior paraspinal muscles tracking from a large bony defect in the right half of her sacrum ex…
  • Ancestral persistence of vestibulospinal reflexes in axial muscles in humans. [Journal Article]
    J Neurophysiol. 2020 May 01; 123(5):2010-2023.Guillaud E, Faure C, … Cazalets JR
  • Most studies addressing the role of vestibulospinal reflexes in balance maintenance have mainly focused on responses in the lower limbs, while limited attention has been paid to the output in trunk and back muscles. To address this issue, we tested whether electromyographic (EMG) responses to galvanic vestibular stimulations (GVS) were modulated similarly in back and leg muscles, in situations wh…
  • Intramuscular Hematoma as a Manifestation of IgA Vasculitis. [Journal Article]
    Pediatrics. 2020 May; 145(5)Azer S, File W, Leazer R
  • We describe an atypical pediatric case of immunoglobulin A vasculitis (IgAV), also referred to as Henoch-Schönlein purpura, in which formation of spontaneous hematoma of the paraspinal muscles developed. Spontaneous or unprovoked hematomas rarely occur in IgAV. These manifestations have not been described specifically in the pediatric literature as coinciding with IgAV. These findings are alarmin…
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