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Neck strength

Britta Langen, Nils Rudqvist, Johan Spetz, John Swanpalmer, Khalil Helou, Eva Forssell-Aronsson
Non-targeted effects can induce responses in tissues that have not been exposed to ionizing radiation. Despite their relevance for risk assessment, few studies have investigated these effects in vivo. In particular, these effects have not been studied in context with thyroid exposure, which can occur e.g. during irradiation of head and neck tumors. To determine the similarity between in-field and out-of-field responses in normal tissue, we used a partial body irradiation setup with female mice where the thyroid region, the thorax and abdomen, or all three regions were irradiated...
October 25, 2016: Scientific Reports
Pavel Hanč, Oliver Schulz, Hanna Fischbach, Stephen R Martin, Svend Kjær, Caetano Reis E Sousa
DNGR-1 is receptor expressed by certain dendritic cell (DC) subsets and by DC precursors in mouse. It possesses a C-type lectin-like domain (CTLD) followed by a poorly characterized neck region coupled to a transmembrane region and short intracellular tail. The CTLD of DNGR-1 binds F-actin exposed by dead cell corpses and causes the receptor to signal and potentiate cross-presentation of dead cell-associated antigens by DCs. Here, we describe a conformational change that occurs in the neck region of DNGR-1 in a pH- and ionic strength-dependent manner and that controls cross-presentation of dead cell-associated antigens...
October 17, 2016: EMBO Journal
Gülsenay Citirak, Sanja Cejvanovic, Henning Andersen, John Vissing
INTRODUCTION: The aim of this observational, cross-sectional study was to quantify the potential presence of muscle weakness among patients with generalized myasthenia gravis (gMG). The influence of gender, treatment intensity and disease duration on muscle strength and disease progression was also assessed. METHODS: Muscle strength was tested in 8 muscle groups by manual muscle testing and by hand-held dynamometry in 107 patients with gMG and 89 healthy age- and gender-matched controls...
2016: PloS One
Maarten van Eerd, Arno Lataster, Micha Sommer, Jacob Patijn, Maarten van Kleef
The cervical facet joints, also called the zygapophyseal joints, are a potential source of neck pain (cervical facet joint pain). The cervical facet joints are innervated by the cervical medial branches (CMBs) of the cervical segmental nerves. Cervical facet joint pain has been shown to respond to multisegmental radiofrequency denervation of the cervical medial branches. This procedure is performed under fluoroscopic guidance. Currently, three approaches are described and used. Those three techniques of radiofrequency treatment of the CMBs, classified on the base of the needle trajectory toward the anatomical planes, are as follows: the posterolateral technique, the posterior technique, and the lateral technique...
October 13, 2016: Pain Practice: the Official Journal of World Institute of Pain
(no author information available yet)
BACKGROUND: Non-fatal outcomes of disease and injury increasingly detract from the ability of the world's population to live in full health, a trend largely attributable to an epidemiological transition in many countries from causes affecting children, to non-communicable diseases (NCDs) more common in adults. For the Global Burden of Diseases, Injuries, and Risk Factors Study 2015 (GBD 2015), we estimated the incidence, prevalence, and years lived with disability for diseases and injuries at the global, regional, and national scale over the period of 1990 to 2015...
October 8, 2016: Lancet
Åsa Svedmark, Mats Djupsjöbacka, Charlotte Häger, Gwendolen Jull, Martin Björklund
BACKGROUND: The evidence for the effect of treatments of neck pain is modest. In the absence of causal treatments, a possibility is to tailor the treatment to the individuals' functional limitations and symptoms. The aim was to evaluate treatment effects of a tailored treatment versus a non-tailored treatment. Our hypothesis was that tailored treatment (TT) would have better effect on pain intensity and disability than either non-tailored treatment (NTT) (same treatment components but applied quasi-randomly) or treatment-as-usual (TAU) (no treatment from the study, no restrictions)...
September 30, 2016: BMC Musculoskeletal Disorders
Dariusz Pawlak, Ewa Oksztulska-Kolanek, Beata Znorko, Tomasz Domaniewski, Joanna Rogalska, Alicja Roszczenko, Małgorzata Michalina Brzóska, Anna Pryczynicz, Andrzej Kemona, Krystyna Pawlak
Chronic kidney disease (CKD) is associated with disturbances in bone strength and metabolism. The alterations of the serotonergic system are also observed in CKD. We used the 5/6 nephrectomy model of CKD to assess the impact of peripheral serotonin and its metabolite- 5-hydroxyindoleacetic acid on bone biomechanical properties and metabolism in growing rats. The animals were sacrificed one and three months after nephrectomy. Biomechanical properties were determined on two different bone types: the cortical bone of the femoral diaphysis using three-point bending test and the mixed cortico-trabecular bone by the bending test of the femoral neck...
2016: PloS One
Lisa K Schroder, Erich M Gauger, Jeffrey A Gilbertson, Peter A Cole
BACKGROUND: This study's purpose was to assess patient-based functional outcomes following open reduction and internal fixation (ORIF) of displaced scapular body and glenoid neck fractures. This series represents a 9-year experience at a level-I trauma center and referral destination for this injury. METHODS: A database was established to record surgical and functional outcomes of scapular fractures treated with ORIF. For this report, the cases of all patients who had a glenoid neck or scapular body fracture (AO/OTA 14-A3 or 14-C1) without intra-articular involvement were reviewed...
October 5, 2016: Journal of Bone and Joint Surgery. American Volume
Simon F Williams, David P Martin, Arikha C Moses
The GalaFLEX Scaffold (Galatea Surgical, Inc., Lexington, MA) for plastic and reconstructive surgery belongs to a new generation of products for soft tissue reinforcement made from poly-4-hydroxybutyrate (P4HB). Other members of this new family of products include MonoMax Suture (Aesculap AG, Tuttlingen, Germany) for soft tissue approximation, BioFiber Scaffold (Tornier, Inc., Edina, MN) for tendon repair, and Phasix Mesh (C.R. Bard, Inc., Murray Hill, NJ) for hernia repair. Each of these fully resorbable products provides prolonged strength retention, typically 50% to 70% strength retention at 12 weeks, and facilitates remodeling in vivo to provide a strong, lasting repair...
October 3, 2016: Aesthetic Surgery Journal
Juliane C Silva, Jackson R G S Almeida, Jullyana S S Quintans, Rajiv Gandhi Gopalsamy, Saravanan Shanmugam, Mairim Russo Serafini, Maria R C Oliveira, Bruno A F Silva, Anita O B P B Martins, Fyama F Castro, Irwin R A Menezes, Henrique D M Coutinho, Rita C M Oliveira, Parimelazhagan Thangaraj, Adriano A S Araújo, Lucindo J Quintans-Júnior
Orofacial pain is associated with diagnosis of chronic pain of head, face, mouth, neck and all the intraoral structures. Carvacrol, a naturally occurring isoprenoid with diverse class of biological activities including anti-inflammatory, analgesic, antitumor and antioxidant properties. Now, the antinociceptive effect was studied in mice pretreatment with carvacrol (CARV) and β-cyclodextrin complex containing carvacrol (CARV-βCD) in formalin-, capsaicin-, and glutamate- induced orofacial nociception. Mice were pretreated with vehicle (0...
September 26, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Shethal Bearelly, Steven W Cheung
Importance: Sensory function in the oral cavity and oropharynx is integral to effective deglutition and speech production. The main hurdle to evaluation of tactile consequences of upper aerodigestive tract diseases and treatments is access to a reliable clinical tool. We propose a rapid and reliable procedure to determine tactile thresholds using buckling monofilaments to advance care. Objective: To develop novel sensory testing monofilaments and map tactile thresholds of oral cavity and oropharyngeal structures...
September 29, 2016: JAMA Otolaryngology—Head & Neck Surgery
Stine Ostenfeldt Rasmussen, Marianne Boll Kristensen, Irene Wessel, Jens Rikardt Andersen
This study aimed to determine the incidence rates of refeeding phenomena (defined as a decline in p-phosphate) and refeeding syndrome (RFS; defined as development of clinical symptoms in addition to a decline in p-phosphate) in head and neck cancer patients, and to identify risk factors. Fifty-four head and neck cancer patients referred for surgery were included. Forty-six potential risk factors were registered at the baseline, and p-phosphate was measured at Days 2, 4, and 7. Eleven patients (20%) developed RFS, and twenty-eight (52%) developed refeeding phenomena...
September 28, 2016: Nutrition and Cancer
Mitsuru Saito, Keishi Marumo
Chronic obstructive pulmonary disease(COPD)is a chronic inflammatory disease associated with an increase of fracture risk. Bone strength is determined by bone mass and quality.Bone quality is thought to encompass the structural and material properties of bone. Bone collagen crosslinking plays important roles in bone strength. The quantitative and qualitative deterioration of lysyl oxidase control and non enzymatic cross-links(advanced glycation end products, AGEs, pentosidine)of collagen in patients with osteoporotic femoral neck fracture and diabetes, and COPD might be affected by increased oxidative stress and glycation...
2016: Clinical Calcium
Ardalan Shariat, Shamsul Bahri Mohd Tamrin, Manohar Arumugam, Mahmoud Danaee, Rajesh Ramasamy
Pain in specific areas of the body (including the lower back, neck, and shoulders) due to extended periods of sitting and inactivity is the most widespread musculoskeletal disorder worldwide and has consequences that are both socio-economic and personal. This condition is particularly prevalent in industrialised countries, affecting roughly 70% to 80% of adults at some point in their lives; approximately 1% of the U.S. population is chronically disabled by this type of pain disorder. A practical way to reduce the prevalence of musculoskeletal pain among office workers would have a significant positive impact...
July 2016: Malaysian Journal of Medical Sciences: MJMS
Yi Shen, Meng-Lu Tang, Xian-Ping Wu, Ling-Qing Yuan, Ru-Chun Dai, Hong Zhang, Zhi-Feng Sheng, Yi-Qun Peng, Xiang-Hang Luo, Xi-Yu Wu, Er-Yuan Liao
Femoral neck geometric parameters (FNGPs) are closely related to the strength of the femoral neck and the risk of fragility fractures. No reference database is available for FNGPs for Chinese population, and gender-related differences in FNGPs as well as their association with the risk of femoral neck fractures are unknown. This investigation aimed to set up reference databases for FNGPs, understand gender-related differences in FNGPs, and examine the association between FNGPs and the risk of osteoporotic fractures of the femoral neck...
September 15, 2016: Bone
A L Kepley, K K Nishiyama, B Zhou, J Wang, C Zhang, D J McMahon, K F Foley, M D Walker, X Edward Guo, E Shane, T L Nickolas
: This is a cross-sectional study to assess differences in bone quality in young Asian and Caucasian (n = 30/group) men between 25 and 35 years. We found that Asians had smaller bones, thicker and denser cortices, and more plate-like trabeculae, but stiffness did not differ between groups. INTRODUCTION: We conducted a cross-sectional study to assess differences in bone quality in young Asian and Caucasian (n = 30/group) men between 25 and 35 years. METHODS: We measured bone mineral density (BMD) at the spine, total hip (TH), femoral neck (FN), and forearm by dual energy X-ray absorptiometry (DXA), and bone geometry, density, microarchitecture, and mechanical competence at the radius and tibia by high-resolution peripheral quantitative computed tomography (HR-pQCT) with application of individual trabecula segmentation (ITS) and trabecular and whole bone finite element analysis (FEA)...
September 16, 2016: Osteoporosis International
Katherine Lee, James Onate, Samar McCann, Tamerah Hunt, Wilbert Turner, Mark Merrick
Clinical Scenario: In wrestling, athletes often support a large amount of weight on their heads or are forced into extreme ranges of motion. These suboptimal movement conditions lead to a high prevalence of neck injuries in wrestlers. A large portion of the work done by the cervical musculature in wrestling is theorized to be eccentric or isometric types of contractions. Strengthening of these cervical muscles is clinically considered to play a vital role in being competitive on the wrestling mat. The cervical stability provided by strengthening these muscles may also play a part in injury prevention among wrestlers...
August 24, 2016: Journal of Sport Rehabilitation
F Wu, K Wills, L L Laslett, B Oldenburg, M J Seibel, G Jones, T Winzenberg
: This was the first study examining optimal vitamin D status for musculoskeletal health in middle-aged women. A 25-hydroxyvitamin D level of at least 29 to 33 nmol/L appears required for optimal musculoskeletal health, but the current cut-off of 50 nmol/L may be warranted. INTRODUCTION: This study aimed to determine whether cut-points exist for associations between serum 25-hydroxyvitamin D (25OHD) and musculoskeletal health outcomes in middle-aged women, below which greater 25OHD levels are associated with musculoskeletal health benefits and above which no such associations exist...
September 9, 2016: Osteoporosis International
Pravin Padalkar
UNLABELLED: Atlantoaxial rotatory fixation (AARF) is a rare condition and delayed diagnosis. We report a case of chronic neglected atlantoaxial rotatory subluxation in adolescence child that was treated by serial skull traction followed by posterior fusing by method pioneered by Goel et al. A 15-year-old male presented with signs of high cervical myelopathy 2 years after trauma to neck childhood. There was upper cervical kyphosis, direct tenderness over C2 spinous process, atrophy of both hand muscles with weakness in grip strength...
July 2016: Journal of Craniovertebral Junction and Spine
Hiroki Takano, Tomohiko Ishihara, Motomichi Kosuga, Torayuki Okuyama
A 72-year-old, seemingly healthy, Japanese man suddenly lost consciousness. At the emergency room, the patient's Glasgow coma scale score was 10 and a thoracic breathing pattern was observed. An arterial blood gas analysis indicated acute hypercarbic respiratory failure. He was placed on non-invasive positive pressure ventilation. The next day he was alert. Manual muscle testing revealed that his face, neck and limb muscle strength were normal. He could walk, and Gowers' sign was not observed. Computed tomography showed atrophy of the paravertebral, abdominal wall and diaphragm crura muscles, without apparent limb muscle involvement...
2016: Internal Medicine
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