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https://www.readbyqxmd.com/read/29031136/increased-sensory-noise-and-not-muscle-weakness-explains-changes-in-non-stepping-postural-responses-following-stance-perturbations-in-healthy-elderly
#1
Maarten Afschrift, Friedl De Groote, Sabine Verschueren, Ilse Jonkers
The response to stance perturbations changes with age. The shift from an ankle to a hip strategy with increasing perturbation magnitude occurs at lower accelerations in older than in young adults. This strategy shift has been related to age-related changes in muscle and sensory function. However, the effect of isolated changes in muscle or sensory function on the responses following stance perturbations cannot be determined experimentally since changes in muscle and sensory function occur simultaneously. Therefore, we used predictive simulations to estimate the effect of isolated changes in (rates of change in) maximal joint torques, functional base of support, and sensory noise on the response to backward platform translations...
October 4, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29027210/oedema-fibrosis-in-duchenne-muscular-dystrophy-role-of-cardiovascular-magnetic-resonance-imaging
#2
REVIEW
Sophie Mavrogeni, Antigoni Papavasiliou, Katerina Giannakopoulou, George Markousis-Mavrogenis, Maria Roser Pons, Evangelos Karanasios, Ioannis Nikas, George Papadopoulos, Genovefa Kolovou, George P Chrousos
Duchenne muscular dystrophy (DMD) is an X-linked muscle disorder characterized by progressive, irreversible loss of cardiac and skeletal muscular function. Muscular enlargement in DMD is attributed to oedema, due to the increased cytoplasmic Na+ concentration. The aim in this review is to present the current experience and emphasize the role of cardiovascular magnetic resonance (CMR) in the diagnosis of this condition. DMD patients' survival depends on ventilatory assistance, as respiratory muscle dysfunction was the most common cause of death in the past...
October 13, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29026813/immediate-nerve-transfer-for-the-treatment-of-peroneal-nerve-palsy-secondary-to-an-intraneural-ganglion-case-report-and-review
#3
I Ratanshi, T A Clark, Jennifer L Giuffre
Intraneural ganglion cysts that occur within the common peroneal nerve are a rare cause of foot drop. The current standard of treatment for intraneural ganglion cysts involving the common peroneal nerve involves (1) cyst decompression and (2) ligation of the articular nerve branch to prevent recurrence. Nerve transfers are a time-dependent strategy for recovering ankle dorsiflexion in cases of high peroneal nerve palsy; however, this modality has not been performed for intraneural ganglion cysts involving the common peroneal nerve...
February 2017: Plastic Surgery
https://www.readbyqxmd.com/read/29025696/usability-test-of-exercise-games-designed-for-rehabilitation-of-elderly-patients-after-hip-replacement-surgery-pilot-study
#4
Yun Ling, Louis P Ter Meer, Zerrin Yumak, Remco C Veltkamp
BACKGROUND: Patients who receive rehabilitation after hip replacement surgery are shown to have increased muscle strength and better functional performance. However, traditional physiotherapy is often tedious and leads to poor adherence. Exercise games, provide ways for increasing the engagement of elderly patients and increase the uptake of rehabilitation exercises. OBJECTIVE: The objective of this study was to evaluate Fietsgame (Dutch for cycling game), which translates existing rehabilitation exercises into fun exercise games...
October 12, 2017: JMIR Serious Games
https://www.readbyqxmd.com/read/29025427/adaptive-hybrid-robotic-system-for-rehabilitation-of-reaching-movement-after-a-brain-injury-a-usability-study
#5
F Resquín, J Gonzalez-Vargas, J Ibáñez, F Brunetti, I Dimbwadyo, L Carrasco, S Alves, C Gonzalez-Alted, A Gomez-Blanco, J L Pons
BACKGROUND: Brain injury survivors often present upper-limb motor impairment affecting the execution of functional activities such as reaching. A currently active research line seeking to maximize upper-limb motor recovery after a brain injury, deals with the combined use of functional electrical stimulation (FES) and mechanical supporting devices, in what has been previously termed hybrid robotic systems. This study evaluates from the technical and clinical perspectives the usability of an integrated hybrid robotic system for the rehabilitation of upper-limb reaching movements after a brain lesion affecting the motor function...
October 12, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29024435/efect-of-longitudinally-oriented-collagen-conduit-combined-with-nerve-growth-factor-on-nerve-regeneration-after-dog-sciatic-nerve-injury
#6
Yao Yao, Yi Cui, Yannan Zhao, Zhifeng Xiao, Xing Li, Sufang Han, Bing Chen, Yongxiang Fang, Piao Wang, Juli Pan, Jianwu Dai
The research on artificial nerve conduits has become a focus of study in peripheral nerve reconstruction so as a possible replacement for the treatment of autologous nerve grafts in clinics. In this study, we used longitudinally oriented collagen conduit (LOCC) combined with nerve growth factor (NGF) to reconstruct long distance of sciatic nerve defects (35 mm) in adult dog model. The long term follow-up evaluation demonstrated that the LOCC/NGF conduit allowed functional and morphological nerve regeneration at the transection site of the injured sciatic nerve...
October 10, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/29023324/the-physical-response-to-a-simulated-period-of-soccer-specific-fixture-congestion
#7
Richard M Page, Kelly Marrin, Chris M Brogden, Matt Greig
The aim of this study was to assess the physiological, perceptual, and mechanical measures associated with the completion of a simulated period of short-term soccer-specific fixture congestion. Ten male semi-professional soccer players completed three trials of a treadmill-based match simulation, with 48 hours intervening each trial. A repeated measures general linear model identified significantly (P= 0.02) lower knee flexor peak torque (PT) recorded at 300 degs[BULLET OPERATOR]s in the second (141.27 ± 28...
October 10, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29023249/priming-with-1-hz-rtms-over-contralesional-leg-motor-cortex-does-not-increase-the-rate-of-regaining-ambulation-within-3-months-of-stroke-a-randomized-controlled-trial
#8
Ying-Zu Huang, Li-Fong Lin, Kwang-Hwa Chang, Chaur-Jong Hu, Tsan-Hon Liou, Yen-Nung Lin
BACKGROUND: The potential benefits of repetitive transcranial magnetic stimulation (rTMS), applied either alone or as a combination treatment, on recovery of lower extremities after stroke have been insufficiently studied. OBJECTIVE: To evaluate the effect of priming with 1-Hz rTMS over contralesional leg motor area with a double cone coil prior physical therapy (PT) on regaining ambulation. METHODS: Thirty-eight subacute stroke patients with significant leg disabilities were randomly assigned into the experimental (E) group or control (C) group to receive a 15-min real or sham 1-Hz rTMS, respectively, over the contralesional motor cortex representing the quadriceps muscle followed by 45-min PT for 15 sessions over 3 weeks...
October 10, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/29023199/responses-of-low-and-high-compression-during-recovery-after-repeated-sprint-training-in-well-trained-handball-players
#9
Christoph Zinner, Maximilian Pelka, Alexander Ferrauti, Tim Meyer, Mark Pfeiffer, Billy Sperlich
The aim of the study was to investigate the effects of wearing various levels of compression following repeated and exhausting sprint exercise on variables related to recovery. Twelve well-trained handball players performed three sessions of repeated and exhausting sprint exercise (30 × 30m). Directly after each session the participants wore tights extending from below the hip to the foot with either 0, 10, or 25 mm Hg of compression onto the thigh and calf muscles. 48 h after the training session all participants performed 5 × 30m sprints and counter movement jumps...
October 12, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/29022782/intramuscular-compared-with-subcutaneous-transposition-for-surgery-in-cubical-tunnel-syndrome
#10
M R Emamhadi, A R Emamhadi, S Andalib
Background There is no consensus on the most effective surgical technique in the treatment of cubital tunnel syndrome. Anterior subcutaneous transposition (AST) and anterior intramuscular transposition (AIT) are common surgical treatments in this regard. The aim of this study was to compare the clinical outcomes of these two surgeries for cubital tunnel syndrome. Methods In a retrospective study, we compared surgical outcomes (pain, sensation, motor recovery, atrophy, and total satisfaction) in 40 patients undergoing AIT and 43 undergoing AST of the ulnar nerve...
September 15, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29022693/a-tri-layer-three-dimensional-hydrogel-composite-scaffold-containing-encapsulated-adipose-derived-stem-cells-promotes-bladder-reconstruction-via-sdf-1%C3%AE-cxcr4-pathway
#11
Dongdong Xiao, Hao Yan, Qiong Wang, Xiangguo Lv, Ming Zhang, Yang Zhao, Zhe Zhou, Jiping Xu, Qian Sun, Kang Sun, Wei Li, Mujun Lu
Bladder acellular matrix graft-alginate di-aldehyde-gelatin hydrogel-silk mesh (BAMG-HS) encapsulated with adipose-derived stem cells (ASCs) was evaluated in a rat model of augmentation cystoplasty, including BAMG-HS-ASCs (n = 18, subgroup n = 6 for 2, 4 and 12 weeks), acellular BAMG-HS (n = 6 for 12 weeks) and cystotomy control (n = 6 for 12 weeks) groups. Equipped with good cytocompatibility and superior mechanical properties (elastic modulus: 5.33 ± 0.96 MPa, maximum load: 28.90 ± 0.69 N), BAMG-HS acted a tri-layer "sandwich" scaffold with minimal interference in systemic homeostasis...
October 12, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29022202/clove-oil-induces-anaesthesia-and-blunts-muscle-contraction-power-in-three-amazon-fish-species
#12
Rodrigo Yudi Fujimoto, Débora Martins Pereira, Jessica Cristina Souza Silva, Laís Cássia Araújo de Oliveira, Luis Antonio Kioshi Aoki Inoue, Moisés Hamoy, Vanessa Jóia de Mello, Marcelo Ferreira Torres, Luis André Luz Barbas
Clove oil is used as an anaesthetic for many species of fish worldwide; however, relatively few studies have assessed its effectiveness on Amazon fish species and no compelling evidence has ever been reported on the relaxant properties of this oil for skeletal muscle of fish. Thus, the objective of this study was to evaluate the latencies to deep anaesthesia and recovery, along with the myorelaxant effect of clove oil on three Amazon fish species: cardinal tetra, Paracheirodon axelrodi, banded cichlid, Heros severus and angelfish, Pterophyllum scalare, submitted to short-term anaesthetic baths...
October 12, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/29021478/rhabdomyolysis-in-a-patient-with-polyarteritis-nodosa
#13
Harunobu Iida, Hironari Hanaoka, Yusa Asari, Kana Ishimori, Tomofumi Kiyokawa, Yukiko Takakuwa, Yoshioki Yamasaki, Hidehiro Yamada, Takahiro Okazaki, Masatomo Doi, Shoichi Ozaki
Polyarteritis nodosa (PAN) is a medium vessel vasculitis affecting systemic organs. Muscle involvement of PAN usually lacks elevation of creatinine kinase (CK). We herein report a case of PAN with rhabdomyolysis. A 71-year-old man was hospitalized because of muscle weakness of the lower limbs that persisted for 1 month. On a physical examination, rapidly progressive lower proximal muscle weakness and bilateral drop foot were observed. His blood test showed an elevation in the C-reactive protein (CRP) (19.5 mg/dL) and CK (13,435 IU/L) levels and negativity for anti-neutrophilic cytoplasmic antibody (ANCA)...
October 11, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29021167/high-density-lipoprotein-delivered-after-myocardial-infarction-increases-cardiac-glucose-uptake-and-function-in-mice
#14
Sarah E Heywood, Adele L Richart, Darren C Henstridge, Karen Alt, Helen Kiriazis, Claire Zammit, Andrew L Carey, Helene L Kammoun, Lea M Delbridge, Medini Reddy, Yi-Ching Chen, Xiao-Jun Du, Christoph E Hagemeyer, Mark A Febbraio, Andrew L Siebel, Bronwyn A Kingwell
Protecting the heart after an acute coronary syndrome is a key therapeutic goal to support cardiac recovery and prevent progression to heart failure. A potential strategy is to target cardiac glucose metabolism at the early stages after ischemia when glycolysis is critical for myocyte survival. Building on our discovery that high-density lipoprotein (HDL) modulates skeletal muscle glucose metabolism, we now demonstrate that a single dose of reconstituted HDL (rHDL) delivered after myocardial ischemia increases cardiac glucose uptake, reduces infarct size, and improves cardiac remodeling in association with enhanced functional recovery in mice...
October 11, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/29020956/guaiphenesin-ketamine-xylazine-infusion-to-maintain-anesthesia-in-mules-undergoing-field-castration
#15
Cecilia Vullo, Augusto Carluccio, Domenico Robbe, Marina Meligrana, Linda Petrucci, Giuseppe Catone
BACKGROUND: In order to determine whether a combination of guaiphenesin, ketamine and xylazine can induce safe and satisfactory anaesthesia in mules undergoing field castration, eight healthy adult intact male mules were employed. They were premedicated with intravenous (IV) xylazine (1.3 mg/kg); an additional dose of xylazine (0.3 mg/kg IV) was administered in case of inadequate depth of sedation. Anaesthesia was induced with IV thiopental (6 mg/kg). The quality of sedation and induction was recorded...
October 11, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/29019444/evaluation-of-intraoperative-analgesia-provided-by-incisional-lidocaine-and-bupivacaine-in-cats-undergoing-ovariohysterectomy
#16
David Vicente, Annika Bergström
Objectives The objective of this study was to assess the intraoperative analgesic effect of preoperative infiltration of the incision site with lidocaine or a mixture of lidocaine with bupivacaine in cats undergoing ovariohysterectomy (OHE). Methods This was a prospective, randomised clinical study. Healthy female intact cats (n = 75) undergoing OHE under medetomidine-ketamine-buprenorphine anaesthesia were assigned randomly into three treatment groups (n = 25 per group) to receive one of two local anaesthesia protocols or placebo preoperatively in the midline incision: lidocaine 1...
October 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/29018036/ccnd2-overexpression-enhances-the-regenerative-potency-of-human-induced-pluripotent-stem-cell-derived-cardiomyocytes-remuscularization-of-injured-ventricle
#17
Wuqiang Zhu, Meng Zhao, Saidulu Mattapally, Sifeng Chen, Jianyi Zhang
Rationale: The effectiveness of transplanted, human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) for treatment of ischemic myocardial injury is limited by the exceptionally low engraftment rate. Objective: To determine whether overexpression of the cell-cycle activator CCND2 in hiPSC-CMs can increase the graft size and improve myocardial recovery in a mouse model of myocardial infarction (MI) by increasing the proliferation of grafted cells. Methods and Results: Human CCND2 was delivered to hiPSCs via lenti-viral mediated gene transfection...
October 10, 2017: Circulation Research
https://www.readbyqxmd.com/read/29016842/comparison-of-emg-activity-and-blood-flow-during-graded-exertion-in-the-orbicularis-oris-muscle-of-adult-subjects-with-and-without-lip-incompetence-a-cross-sectional-survey
#18
Jun-Ichi Takada, Jun J Miyamoto, Chiemi Sato, Ayano Dei, Keiji Moriyama
Background/Objectives: The peri-oral muscles-including orbicularis oris-are critical in maintaining equilibrium in tooth position. Lip incompetence (LI) can thus be a factor in malocclusion. We therefore aimed to validate a technique to evaluate not only muscle activity via electromyography (EMG) but also muscle endurance and fatigue via blood flow (BF) for LI. Subjects/Methods: Subjects were classified into increased muscle tension/lip incompetent (experimental) and normal muscle tension/lip competent (control) groups...
August 21, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/29016479/the-effects-of-foam-rolling-as-a-recovery-tool-in-professional-soccer-players
#19
Ezequiel Rey, Alexis Padrón-Cabo, Pablo B Costa, Roberto Barcala-Furelos
Foam rolling (FR) is a common strategy used after training and competition by players. However, no previous studies have assessed the effectiveness of FR as recovery tool in sports populations. The aim of this study was to examine the effectiveness of FR (20 minutes of foam rolling exercises on quadriceps, hamstrings, adductors, gluteals, and gastrocnemius) and passive recovery (20 minutes sit on a bench) interventions performed immediately after a training session on Total Quality Recovery (TQR), perceived muscle soreness, jump performance, agility, sprint, and flexibility 24 hours after the training...
October 7, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29016478/subjective-and-objective-responses-to-two-rugby-7-s-world-series-competitions
#20
Peter M Fowler, Andrew Murray, Abdulaziz Farooq, Nick Lumley, Lee Taylor
The purpose was to examine the utility of subjective and objective measures of player preparedness, interpreted at both a group and individual level, during two consecutive competitions of the World Rugby Sevens Series (WRSS). Subjective (sleep, energy and muscle soreness ratings) and objective [heart rate (HR) at rest (HRREST) and in response to submaximal exercise (HREX)] measures were obtained from 16 male Rugby-7s players from one team for three consecutive days (D1-3) at home (HOME) and upon arrival at four tournament (T1-4) locations (T1-New Zealand and T2-USA; T3-Hong Kong and T4-Tokyo) across two WRSS competitions (two tournaments per competition) separated by 1 month...
October 7, 2017: Journal of Strength and Conditioning Research
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