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Muscular injuries

Mona Alilet, Julien Behr, Jean-Philippe Nueffer, Benoit Barbier-Brion, Sébastien Aubry
: The subscapularis (SSC) muscle is the most powerful of the rotator cuff muscles, and plays an important role in shoulder motion and stabilization. SSC tendon tear is quite uncommon, compared to the supraspinatus (SSP) tendon, and, most of the time, part of a large rupture of the rotator cuff. Various complementary imaging techniques can be used to obtain an accurate diagnosis of SSC tendon lesions, as well as their extension and muscular impact. Pre-operative diagnosis by imaging is a key issue, since a lesion of the SSC tendon impacts on treatment, surgical approach, and post-operative functional prognosis of rotator cuff injuries...
October 17, 2016: Insights Into Imaging
Y M Zheng, W Z Li, Z X Wang, W Zhang, H Lv, J X Xiao, Y Yuan
OBJECTIVE: To report thigh muscle magnetic resonance imaging (MRI) tests of four Chinese patients with dystrophinopathy with edema changes in adductor longus muscles that mimics adductor enthesopathy. METHODS: Four boys, who were from four unrelated families and aged from 5 to 11 years, were investigated because of the clinical manifestations including myalgia or muscle weakness or the incidental findings of elevated serum creatine kinase levels, and were diagnosed with dystrophinopathy by gene test of Duchenne muscular dystrophy (DMD)...
October 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
Baldwin Yeung, Philip Chiu, Anthony Teoh, Linfu Zheng, Shannon Chan, Kelvin Lam, Raymond Tang, Enders K W Ng
Background and study aims: Submucosal tunnelling endoscopic resection (STER) is a novel endoscopic technique to remove submucosal tumour (SMT). We propose a novel, low cost simulator for training of techniques for STER. Patients and methods: The model consisted of an ex-planted porcine oesophagus, stomach and duodenum with marbles embedded surgically in the submucosal plane. Two expert endoscopists with experience in submucosal tunnelling and 5 board-certified endoscopists with no experience in submucosal tunnelling were recruited...
October 2016: Endoscopy International Open
Kevin J Bennett, Suzanne McDermott, Joshua R Mann, James Hardin
BACKGROUND: Receiving recommended services for patients with diabetes is associated with improved outcomes and reduced morbidity. People with diabetes who also have a condition associated with disability represent one group that is at risk for health disparities. OBJECTIVE: To examine service utilization among persons with selected disabling conditions and diabetes, compared to those without. METHODS: 2007-2012 Medical Expenditure Panel Survey Full-Year Consolidated files, medical conditions files, and the 1996-2012 pooled linkage files were merged for this analysis...
September 13, 2016: Disability and Health Journal
Eman M Khedr, Gharib Fawi, Mohammed Abd-Allah Abbas, Noha Abo El-Fetoh, Ahmed F Zaki, Ayman Gamea, Ghada Al Attar
BACKGROUND: Few epidemiological studies of the prevalence of neuromuscular disorders have been undertaken. The aim of the study was to estimate the prevalence of the most common types of neuromuscular disorders in Qena governorate/Egypt. METHODS: A random sample was taken from 11 districts, involving 9303 inhabitants with 57.3% urban residents and 42.7% rural residence. Patients were diagnosed using a screening questionnaire for the diagnosis of neuromuscular disorders...
October 17, 2016: Neurological Research
Brady K Huang, Eric Y Chang
OBJECTIVE: To describe infraspinatus tendon injuries with associated intramuscular edema in light of more recently elucidated anatomical knowledge. MATERIAL AND METHODS: A retrospective review was performed to identify MRI cases with infraspinatus tendon injury accompanied by muscle edema. MR images were reviewed to evaluate the location of the injury, to assess the degree of tendon retraction, and to assess for muscular changes. Clinical and surgical data were reviewed when available...
October 14, 2016: Skeletal Radiology
Ryan Urchek, Eric Miller
The typical injury pattern of a posterior hip dislocation includes posterior wall fracture, capsular injury, and muscular strain. This report presents an example of a posterior wall acetabulum fracture-dislocation associated with complete hip abductor tendon and capsular avulsion from the femur. The patient was found to have an unstable hip despite a small posterior wall fragment due to the extensive soft tissue injury. This was repaired. The patient had improvement in function initially, but ultimately required repair of the hip abductor tendons...
October 13, 2016: Orthopedics
Edna Perez, Linda S Behar-Horenstein, Marcio Guelmann
Children with intellectual and physical disabilities including autism are susceptible to dental trauma as a sequela from falls due to poor muscular coordination. In addition, their altered muscle tonus often results in an open bite with labial flaring of the maxillary incisors and lip incompetence, predisposing these teeth to fractures. This case report describes an alternative approach of restoring a fractured maxillary permanent central incisor with a composite strip crown during surgical repositioning of the periodontium on an autistic patient...
September 1, 2016: Journal of Contemporary Dental Practice
Ana Luisa Miranda-Vilela, Ieler Ferreira Ribeiro, Cesar Koppe Grisolia
Exercise is a double-edged sword: when practiced in moderation, it increases the expression of antioxidant enzymes, but when practiced strenuously it causes oxidative stress and cell damage. In this context, polymorphisms in the interleukin (IL)-6 gene should be investigated better because they can influence performance, at least in exercise that generates oxidative stress and leads to muscular injuries with consequent inflammation. In this work, we investigated the influence of IL-6 -174 G/C polymorphism on tissue damage and inflammation markers, lipid peroxidation, hemogram and lipid profile of runners before and after ingestion of 400 mg of pequi oil in capsules supplied daily for 14 consecutive days...
October 10, 2016: Genetics and Molecular Biology
María Emilia Garcia Denegri, Gladys P Teibler, Silvana L Maruñak, David R Hernández, Ofelia C Acosta, Laura C Leiva
Bothrops alternatus snake venom is particularly characterized for inducing a prominent haemorrhage and affecting hemostasis as a consequence of 43.1% of metallo-proteinases and less than 10% of PLA2 (almost all non-myotoxic phospholipases) in its venomics. In addition, myonecrosis is the major local effect in viper envenoming which might lead to permanent sequela. Then, the rebuilding of the microvasculature at the local injured site acquires significance since represents one of the pivotal stages for subsequent skeletal muscle regeneration either at morphological or functional aspects...
October 6, 2016: Toxicon: Official Journal of the International Society on Toxinology
Jin Young Lee, Tae Hwa Hong, Kyung Won Lee, Myung Jae Jung, Jae Gil Lee, Seung Hwan Lee
BACKGROUND: Chloride is important for maintaining acid-base balance, muscular activity, osmosis and immunomodulation. In patients with major trauma, chloride levels increase after fluid therapy; this is associated with poor clinical outcomes. The purpose of this study was to determine whether hyperchloremia was associated with increased mortality in patients who had sustained major trauma. METHODS: This study enrolled 266 major trauma patients by retrospective chart review, from January 2011 to December 2015...
October 4, 2016: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
Peter Stilwell, Katherine Harman, William Hsu, Brian Seaman
BACKGROUND: Musculoskeletal injuries stemming from forceful muscular contractions during seizures have been documented in the literature. Reports of multiple seizure-induced spinal fractures, in the absence of external trauma and without risk factors for fracture, are rare. CASE PRESENTATION: A 28-year-old male, newly diagnosed with epilepsy, presented to a chiropractic clinic with the complaint of mid-thoracic pain beginning after a tonic-clonic seizure with no associated external trauma...
September 2016: Journal of the Canadian Chiropractic Association
Ibrahim Sammour, Santhosh Somashekar, Jian Huang, Sunil Batlahally, Matthew Breton, Krystalenia Valasaki, Aisha Khan, Shu Wu, Karen C Young
BACKGROUND: Mesenchymal stem cells (MSC) improve alveolar and vascular structures in experimental models of bronchopulmonary dysplasia (BPD). Female MSC secrete more anti-inflammatory and pro-angiogenic factors as compared to male MSC. Whether the therapeutic efficacy of MSC in attenuating lung injury in an experimental model of BPD is influenced by the sex of the donor MSC or recipient is unknown. Here we tested the hypothesis that female MSC would have greater lung regenerative properties than male MSC in experimental BPD and this benefit would be more evident in males...
2016: PloS One
Brett M Morrison
Neuromuscular diseases are a broadly defined group of disorders that all involve injury or dysfunction of peripheral nerves or muscle. The site of injury can be in the cell bodies (i.e., amyotrophic lateral sclerosis [ALS] or sensory ganglionopathies), axons (i.e., axonal peripheral neuropathies or brachial plexopathies), Schwann cells (i.e., chronic inflammatory demyelinating polyradiculoneuropathy), neuromuscular junction (i.e., myasthenia gravis or Lambert-Eaton myasthenic syndrome), muscle (i.e., inflammatory myopathy or muscular dystrophy), or any combination of these sites...
October 2016: Seminars in Neurology
Ivan R Molton, Kathryn M Yorkston
OBJECTIVES: In the United States, the average age of people living with early-acquired physical disabilities is increasing. This cohort is said to be aging with disability and represents a unique population among older adults. Given recent policy efforts designed to merge aging and disability services, it is critical that models of "successful aging" include and are relevant to this population. However, many current definitions of successful aging emphasize avoidance of disability and high levels of physical function as necessary to well-being...
October 4, 2016: Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
A D Murray, L Daines, D Archibald, R A Hawkes, C Schiphorst, P Kelly, L Grant, N Mutrie
OBJECTIVE: To assess the relationships between golf and health. DESIGN: Scoping review. DATA SOURCES: Published and unpublished reports of any age or language, identified by searching electronic databases, platforms, reference lists, websites and from consulting experts. REVIEW METHODS: A 3-step search strategy identified relevant published primary and secondary studies as well as grey literature. Identified studies were screened for final inclusion...
October 3, 2016: British Journal of Sports Medicine
Alexander P Nesmith, Matthew A Wagner, Francesco S Pasqualini, Blakely B O'Connor, Mark J Pincus, Paul R August, Kevin Kit Parker
Tongue weakness, like all weakness in Duchenne muscular dystrophy (DMD), occurs as a result of contraction-induced muscle damage and deficient muscular repair. Although membrane fragility is known to potentiate injury in DMD, whether muscle stem cells are implicated in deficient muscular repair remains unclear. We hypothesized that DMD myoblasts are less sensitive to cues in the extracellular matrix designed to potentiate structure-function relationships of healthy muscle. To test this hypothesis, we drew inspiration from the tongue and engineered contractile human muscle tissues on thin films...
October 10, 2016: Journal of Cell Biology
Chelsea Starbuck, Victoria Stiles, Daniel Urà, Matt Carré, Sharon Dixon
OBJECTIVES: To examine the influence of clay court frictional properties on tennis players' biomechanical response. DESIGN: Repeated measures. METHODS: Lower limb kinematic and force data were collected on sixteen university tennis players during 10×180° turns (running approach speed 3.9±0.20ms(-1)) on a synthetic clay surface of varying friction levels. To adjust friction levels the volume of sand infill above the force plate was altered (kg per m(2) surface area; 12, 16 and 20kgm(-2))...
September 1, 2016: Journal of Science and Medicine in Sport
Andriy Stelmakh, Orest Abrahamovych, Andriy Cherkas
Highly purified calf hemodialysate (HPCH) known as Actovegin® or Solcoseryl® is one of the most controversial drugs currently marketed worldwide. It is not registered as drug in some countries and therefore its medical use there is illegal, while in others it is often among the top 10 of the best-selling medications. It could be also found in the list of the "most useless drugs" and was banned for short time by World Anti-Doping Agency as performance enhancer. However, the degree of its usefulness or uselessness remains unclear and there is not enough convincing data to make reliable conclusions...
October 2016: Medical Hypotheses
Deydre S Teyhen, Daniel I Rhon, Robert J Butler, Scott W Shaffer, Stephen L Goffar, Danny J McMillian, Robert E Boyles, Kyle B Kiesel, Phillip J Plisky
CONTEXT:  Although inactivity, being overweight, smoking, and a history of injury are identified as risk factors for poor health and injury, few authors have examined their association on physical performance. Young adults may be more likely to adopt healthier lifestyles if they understand the effect of health behaviors on performance. OBJECTIVE:  To determine the association of being overweight, smoking, inactivity, and a history of injury with physical performance...
October 3, 2016: Journal of Athletic Training
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