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Cherie Walker, Peter Sinclair, Kenneth Graham, Stephen Cobley
Inertial Measurement Units (IMUs) may offer an ecologically valid, reliable, and practical method for biomechanical performance analysis. With such potential in mind, Part 1 of this study examined the accuracy of IMUs gyroscopes with an optical system (Cortex 3.3). A calibration formula standardised the IMUs angular velocity output with the optical system. The percentage differences between the two measures = 0.5% (p < 0.05), suggest IMU's efficacy for application. In Part 2, the aim was to examine and understand how dive flight angular velocity time series plots change and increase according to dive degree of difficulty...
October 20, 2016: Sports Biomechanics
Karen Schipper, Minne Bakker, Tineke Abma
PURPOSE: The aim of this article is to describe how fatigue affects the lives of people with facioscapulohumeral dystrophy (FSHD), how they experience fatigue, and how they deal with it in order to attune rehabilitation care to patients' needs. METHOD: A qualitative study, consisting of 25 semistructured interviews with patients with FSHD and severe fatigue (as measured with the checklist individual strength (CIS) fatigue questionnaire), was conducted to gain insight into the experiences of patients with fatigue...
October 20, 2016: Disability and Rehabilitation
Malgorzata Furmanik, Catherine M Shanahan
Cardiovascular disease continues to be the leading cause of death in industrialised societies. The idea that the arterial smooth muscle cell (ASMC) plays a key role in regulating many vascular pathologies has been gaining importance, as has the realisation that not enough is known about the pathological cellular mechanisms regulating ASMC function in vascular remodelling. In the past decade endoplasmic reticulum (ER) stress and the unfolded protein response (UPR) have been recognised as a stress response underlying many physiological and pathological processes in various vascular cell types...
October 13, 2016: Current Cardiology Reviews
Toshiyuki Takahashi, Yasuyuki Sato, Takeshi Yamazaki, Asako Hayashi, Takayuki Okamoto
BACKGROUND: Most patients with congenital nephrotic syndrome (CNS) exhibit a failure to thrive. A previous study reported that five of 41 (12 %) infants with CNS had hypertrophic pyloric stenosis (HPS) requiring surgery. The reason for this is undetermined, and there are few reports regarding the relationship between these conditions or their clinical course. CASE DIAGNOSIS/TREATMENT: We present the case of a 4-month-old girl with CNS. She did not show typical manifestations of HPS, but thickened mucosal and submucosal layers and hypertrophy of the pyloric muscle were detected by repeated ultrasound examinations prior to the diagnosis of HPS...
October 18, 2016: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
Stephen J Nicholas, Steven J Lee, Michael J Mullaney, Timothy F Tyler, Takumi Fukunaga, Christopher D Johnson, Malachy P McHugh
BACKGROUND: The functional benefits of double-row (DR) versus single-row (SR) rotator cuff repair are not clearly established. PURPOSE: To examine the effect of DR versus SR rotator cuff repair on functional outcomes and strength recovery in patients with full-thickness tears. STUDY DESIGN: Randomized controlled trial; Level of evidence, 2. METHODS: Forty-nine patients were randomized to DR or SR repairs; 36 patients (13 women, 23 men; mean age, 62 ± 7 years; 20 SR, 16 DR) were assessed at a mean 2...
October 2016: Orthopaedic Journal of Sports Medicine
Harish Petnikota, Vrisha Madhuri, Sangeet Gangadharan, Indira Agarwal, Belavendra Antonisamy
BACKGROUND: Muscular dystrophies are inherited myogenic disorders characterized by progressive muscle wasting and weakness of variable distribution and severity. They are a heterogeneous group characterized by variable degree of skeletal and cardiac muscle involvement. The most common and the most severe form of muscular dystrophy is DMD. Currently, there is no curative treatment for muscular dystrophies. Several drugs have been studied to retard the progression of the muscle weakness...
September 2016: Indian Journal of Orthopaedics
Joana F Sacramento, Maria J Ribeiro, Tiago Rodrigues, Elena Olea, Bernardete F Melo, Maria P Guarino, Rui Fonseca-Pinto, Cristiana R Ferreira, Joana Coelho, Ana Obeso, Raquel Seiça, Paulo Matafome, Sílvia V Conde
AIMS/HYPOTHESIS: We recently described that carotid body (CB) over-activation is involved in the aetiology of insulin resistance and arterial hypertension in animal models of the metabolic syndrome. Additionally, we have demonstrated that CB activity is increased in animal models of insulin resistance, and that carotid sinus nerve (CSN) resection prevents the development of insulin resistance and arterial hypertension induced by high-energy diets. Here, we tested whether the functional abolition of CB by CSN transection would reverse pre-established insulin resistance, dyslipidaemia, obesity, autonomic dysfunction and hypertension in animal models of the metabolic syndrome...
October 16, 2016: Diabetologia
M Hirschvogel, M Bassilious, L Jagschies, S M Wildhirt, M W Gee
A model for patient-specific cardiac mechanics simulation is introduced, incorporating a 3-dimensional finite element model of the ventricular part of the heart which is coupled to a reduced-order 0-dimensional closed-loop vascular system, heart valve and atrial chamber model.The ventricles are modeled by a nonlinear orthotropic passive material law. The electrical activation is mimicked by a prescribed parametrized active stress acting along a generic muscle fiber orientation. Our activation function is constructed such that the start of ventricular contraction and relaxation as well as the active stress curve's slope are parameterized...
October 15, 2016: International Journal for Numerical Methods in Biomedical Engineering
Bradley Schoch, Jean-David Werthel, John W Sperling, Robert H Cofield, Joaquin Sanchez-Sotelo
INTRODUCTION: Charcot arthropathy is a rare cause of debilitating joint destruction. Shoulder arthroplasty for Charcot arthropathy is challenging secondary to local bone and soft tissue loss, lack of protective sensation, and altered muscle control. The purpose of this study is to review the outcomes, complications, and survivorship of shoulder arthroplasty for Charcot arthropathy. METHODS: Between January 2000 and December 2011, ten shoulders with Charcot arthropathy were treated with shoulder arthroplasty at our Institution (six hemiarthroplasty, one total shoulder arthroplasty, three reverse shoulder arthroplasty)...
October 14, 2016: International Orthopaedics
Sangeetha Madhavan, James W Stinear, Neeta Kanekar
Objective. High intensity interval treadmill training (HIITT) has been gaining popularity for gait rehabilitation after stroke. In this study, we examined the changes in excitability of the lower limb motor cortical representation (M1) in chronic stroke survivors following a single session of HIITT. We also determined whether exercise-induced changes in excitability could be modulated by transcranial direct current stimulation (tDCS) enhanced with a paretic ankle skill acquisition task. Methods. Eleven individuals with chronic stroke participated in two 40-minute treadmill-training sessions: HIITT alone and HITT preceded by anodal tDCS enhanced with a skill acquisition task (e-tDCS+HIITT)...
2016: Neural Plasticity
Xin-Yu Liu, Deng-Bao Yang, Yan-Chao Xu, Marianne O L Gronning, Fang Zhang, De-Hua Wang, John R Speakman
Brandt's voles have an annual cycle of body weight and adiposity. These changes can be induced in the laboratory by manipulation of photoperiod. In the present study, male captive bred Brandt's voles aged 35 days were acclimated to a short day (SD) photoperiod (8L:16D) for 70 days. A subgroup of individuals (n=16) were implanted with transmitters to monitor physical activity and body temperature. They were then randomly allocated into long day (LD=16L:8D) (n=19: 8 with transmitters) and SD (n=18: 8 with transmitters) groups for an additional 70 days...
September 30, 2016: Disease Models & Mechanisms
Mohamed Mansour Elzohairy, Adel Mohamed Salama
INTRODUCTION: The purpose of this study was to evaluate shoulder function following minimally invasive subtotal subscapularis muscle and periarticular capsuloligamentous arthroscopic release in children with Erb's palsy. METHODS: A prospective study was conducted on 15 consecutive children who underwent subtotal subscapularis muscle and periarticular capsuloligamentous arthroscopic release to treat internal rotation contracture of the shoulder joint after Erb's palsy...
October 12, 2016: Journal of Children's Orthopaedics
Thang S Han, Elon Correa, Michael E J Lean, David M Lee, Terrence W O'Neill, György Bartfai, Gianni Forti, Aleksander Giwercman, Krzysztof Kula, Neil Pendleton, Margus Punab, Martin K Rutter, Dirk Vanderschueren, Ilpo T Huhtaniemi, Frederick C W Wu, Felipe F Casanueva
Diversity in lifestyles and socioeconomic status among European populations, and recent socio-political and economic changes in transitional countries, may affect changes in adiposity. We aimed to determine whether change in the prevalence of obesity varies between the socio-politically transitional North-East European (Łódź, Poland; Szeged, Hungary; Tartu, Estonia), and the non-transitional Mediterranean (Santiago de Compostela, Spain; Florence, Italy) and North-West European (Leuven, Belgium; Malmö, Sweden; Manchester, UK) cities...
October 13, 2016: Endocrine
Angela Zissler, Peter Steinbacher, Reinhold Zimmermann, Stefan Pittner, Walter Stoiber, Arne C Bathke, Alexandra M Sänger
BACKGROUND: Muscle injuries are among the most common sports-related lesions in athletes; however, optimal treatment remains obscure. Extracorporeal shock wave therapy (ESWT) may be a promising approach in this context, because it has gained increasing importance in tissue regeneration in various medical fields. HYPOTHESIS: ESWT stimulates and accelerates regenerative processes of acute muscle injuries. STUDY DESIGN: Controlled laboratory study...
October 11, 2016: American Journal of Sports Medicine
Elizabeth Fairgray, Anna Miles
PURPOSE: Moebius Syndrome is a rare congenital neurological condition often characterized by multiple cranial nerve involvement. This case study presents an eight-year old girl with Moebius Syndrome (MC) who received 30 sessions of speech therapy. This occurred after presenting to clinic 11 months after left facial reanimation with gracilis thigh muscle transfer surgery. On examination, only flickers of left facial movement were observed. There was no movement on the right side of the face...
November 2016: International Journal of Pediatric Otorhinolaryngology
Alona Falach-Malik, Hava Rozenfeld, Moria Chetboun, Konstantin Rozenberg, Uriel Elyasiyan, Sanford R Sampson, Tovit Rosenzweig
: Oxidative stress is associated with different pathological conditions, including glucose intolerance and type 2 diabetes (T2D), however studies had failed to prove the benefits of antioxidants in T2D. AIM: On the assumption that the failure to demonstrate such anti-diabetic effects is a result of sub-optimal or excessive antioxidant dosage, we aimed to clarify the dose-response effect of the antioxidant N-Acetyl-L-Cysteine (NAC) on the progression of T2D in-vivo...
2016: American Journal of Translational Research
Boyin Liu, Torsten Bossing
We removed single identified neurons from living Drosophila embryos to gain insight into the transcriptional control of developing neuronal networks. The microarray analysis of the transcriptome of two sibling neurons revealed seven differentially expressed transcripts between both neurons (threshold: log21.4). One transcript encodes the RNA splicing factor B52. Loss of B52 increases growth of axon branches. B52 function is also required for Choline acetyltransferase (ChAT ) splicing. At the end of embryogenesis, loss of B52 function impedes splicing of ChAT, reduces acetylcholine synthesis, and extends the period of uncoordinated muscle twitches during larval hatching...
October 11, 2016: Scientific Reports
Yuksel Agca, Shaomin Qian, Cansu Agca, Cheikh I Seye
OBJECTIVES: Extracellular nucleotide release at the site of arterial injury mediates the proliferation and migration of vascular smooth muscle cells. Our aim was to investigate the role of the P2Y2 nucleotide receptor (P2Y2R) in neointimal hyperplasia. Approach and Results: Vascular injury was induced by the implantation of a polyethylene cuff around the femoral artery in wild-type and P2Y2R-deficient mice (P2Y2R-/-). Electron microscopy was used to analyze monocyte and lymphocyte influx to the intima 36 h after injury...
October 11, 2016: Journal of Vascular Research
Lalit Mehra, Anita Tuli, Shashi Raheja
The muscle trapezius shows considerable morphological diversity. Variations include an anomalous origin and complete or partial absence of the muscle. The present study reported, a hitherto undocumented complete bilateral absence of the cervical part of trapezius. Based on its peculiar origin and insertion, it was named dorsoscapularis triangularis. The embryological, phylogenetic and molecular basis of the anomaly was elucidated. Failure of cranial migration of the trapezius component of the branchial musculature anlage to gain attachment on the occipital bone, cervical spinous processes, ligamentum nuchae between 11 mm and 16 mm stage of the embryo, resulted in this anomaly...
September 2016: Anatomy & Cell Biology
Magdalena Krajewska-Włodarczyk
The clinical picture of rheumatoid arthritis covers the condition of chronic inflammation connected to the increased concentration of inflammatory mediators, reduced physical activity, immobilization caused by pain, stiffness and joint destruction as well as accompanying hormonal and metabolic disorders. It all may lead to extra-articular complications, also to the loss of muscle mass with the weakness of muscle strength, adding to the disability and significantly lowering the patients' quality of life. Sarcopenia is an advanced form of muscle mass loss which constitutes an independent and vital threat for dexterity...
2016: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
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