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https://www.readbyqxmd.com/read/28820399/repetitive-muscle-compression-reduces-vascular-mechano-sensitivity-and-the-hyperemic-response-to-muscle-contraction
#1
A Messere, M Turturici, G Millo, S Roatta
Animal studies have shown that the rapid hyperemic response to external muscle compression undergoes inactivation upon repetitive stimulation, but this phenomenon has never been observed in humans. The aim of the present study was to determine whether 1) the vascular mechano-sensitivity underlying muscle compression-induced hyperemia is inactivated in an inter-stimulus interval (ISI)-dependent fashion upon repetitive stimulation, as suggested by animal studies, and 2) whether such inactivation also attenuates contraction-induced hyperemia...
June 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28819996/commercial-golf-glove-effects-on-golf-performance-and-forearm-muscle-activity
#2
Graeme G Sorbie, Paul Darroch, Fergal M Grace, Yaodong Gu, Julien S Baker, Ukadike C Ugbolue
The study aimed to determine whether or not commercial golf gloves influence performance variables and forearm muscle activity during golf play. Fifteen golfers participated in the laboratory based study, each performing 8 golf swings with a Driver and 7-iron whilst wearing a glove and 8 without wearing the glove. Club head speed, ball speed and absolute carry distance performance variables were calculated. Surface electromyography was recorded from the flexor digitorum superficialis and extensor carpi radialis brevis on both forearm muscles...
August 18, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28819614/acute-compartment-syndrome-after-an-olecranon-fracture-in-a-patient-with-mild-hemophilia-b
#3
John M Reynolds, Christy Christophersen, Mary K Mulcahey
INTRODUCTION: Compartment syndrome is a serious condition characterized by compartmental pressures within 20 mmHg of diastolic blood pressure, or clinical signs of pain, paresthesia, pallor, and lack of pulses. Often a surgical intervention is necessary. Increased surveillance for compartment syndrome is important when a patient with a bleeding disorder sustains a traumatic injury. CASE REPORT: We present a case of forearm compartment syndrome in a patient with mild hemophilia B who sustained an olecranon fracture...
March 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28819594/modified-nicoll-s-graft-for-treatment-of-gap-non-union-of-ulna-a-rare-case-report
#4
Chaitanya Krishna, Jayanta Mondal, Anirudhha Sengupta
INTRODUCTION: Despite the multitude of studies for the treatment of non-unions, no clear criterion has been established for treating a fracture of non-union. Non-union of radius and ulna produces a discrepancy in length which must be restored for adequate rotation and function. Nicoll described a technique of bridging gaps in long bones with solid blocks of cancellous bone and fixing the fragments with metal plates. We utilized modified Nicoll's graft using corticocancellous graft taken from iliac crest...
March 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28819489/-elastic-stable-intramedullary-nailing-esin-in-the-treatment-of-both-bone-forearm-fractures-in-the-child-about-87-cases
#5
Saad Andaloussi, Mohamed Amine Oukhouya, Othmane Alaoui, Karima Atarraf, Lamiae Chater, My Abderrahmane Afifi
This study aims to describe the complications of elastic stable intramedullary nailing (ESIN) in the treatment of both-bone forearm diaphyseal fractures in the child. Between January 2009 and December 2013, 87 children with both-bone forearm diaphyseal fractures were treated by elastic stable intramedullary nailing with Métaizeau nails. 76 boys and 11 girls, with an average age of 12 years, were enrolled in the study. Nailing was promptly performed in 50 cases and after secondary displacement during plaster-cast treatment in the other cases...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28819468/paediatric-fractures-in-a-sub-saharan-tertiary-care-center-a-cohort-analysis-of-demographic-characteristics-clinical-presentation-therapeutic-patterns-and-outcomes
#6
Marc Leroy Guifo, Joel Noutakdie Tochie, Blondel Nana Oumarou, Jean Roger Moulion Tapouh, Aristide Guy Bang, Aurelien Ndoumbe, Bonaventure Jemea, Maurice Aurelien Sosso
INTRODUCTION: Paediatric fractures are often of good prognosis due to auto-correction of insufficient fracture reduction by bone remodeling. In sub-Saharan Africa, traditional healers are renowned for managing fractures and there is a neglect for specialized pediatric fracture care. We aimed to determine the demographic characteristics, clinical presentation, treatment patterns and outcomes of paediatric fractures in a tertiary health care centre in Yaoundé. METHODS: We conducted a prospective cohort study of all consenting consecutive cases of fractures in patients younger than 16 years managed between January 2011 and June 2015 at the University Teaching Hospital, Cameroon...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28819125/inflammation-and-bone-mineral-density-a-mendelian-randomization-study
#7
Jian V Huang, C Mary Schooling
Osteoporosis is a common age-related disorder leading to an increase in osteoporotic fractures and resulting in significant suffering and disability. Inflammation may contribute to osteoporosis, as it does to many other chronic diseases. We examined whether inflammation is etiologically relevant to osteoporosis, assessed from bone mineral density (BMD), as a new potential target of intervention, or whether it is a symptom/biomarker of osteoporosis. We obtained genetic predictors of inflammatory markers from genome-wide association studies and applied them to a large genome wide association study of BMD...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819047/unusual-case-of-bilateral-hand-weakness
#8
Sayan Datta, Jeremy Cosgrove, Taimour Alam, Helen L Ford
A 35-year-old man presented with myalgia and bilateral hand weakness, 3 days after the onset of lethargy, fevers and rigours. The hand weakness caused functional impairment including difficulty pressing keys on his mobile phone. On examination, there was mild bilateral hand weakness with normal reflexes. His serum creatine kinase was mildly raised at 503 U/L (24-195), viral PCR throat swab was negative and electromyogram showed subtle myopathic changes in the distal forearm muscles. Nerve conduction studies found no evidence of neuropathy...
August 17, 2017: Practical Neurology
https://www.readbyqxmd.com/read/28818429/exposure-shapes-the-perception-of-affective-touch
#9
Uta Sailer, Rochelle Ackerley
Touch is a common occurrence in our lives, where affective and inter-personal aspects of touch are important for our well-being. We investigated whether touch exposure affects hedonic and discriminative aspects of tactile perception. The perceived pleasantness and intensity of gentle forearm stroking, over different velocities, was assessed in individuals reporting to seldom receive inter-personal touch, and in controls who received touch often. The groups did not differ in their stroking intensity judgements, nor in tactile discrimination sensitivity; however, individuals with low touch exposure evaluated the pleasantness of touch differently...
August 9, 2017: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/28818412/are-extramedian-symptoms-associated-with-peripheral-causes-in-patient-with-carpal-tunnel-syndrome-electrodiagnostic-and-ultrasonographic-study
#10
Basak Mansiz-Kaplan, Merve Akdeniz-Leblecicier, Ilker Yagci
OBJECTIVE: To evaluate the relationship between extramedian spreading of sensorial symptoms and median and ulnar nerve cross-sectional area (CSA) and to compare the ultrasonographic and electrophysiological findings in patients with carpal tunnel syndrome (CTS) with or without extramedian sensory symptoms. DESIGN: Cross-sectional study. MATERIALS AND METHODS: Patients with CTS were divided into two groups as with or without extramedian symptoms and were assessed clinically, electrophysiologically and ultrasonographically by three blind investigators...
August 10, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28817885/re-sexual-function-and-quality-of-life-before-and-after-penile-prosthesis-implantation-following-radial-forearm-flap-phalloplasty
#11
Allen D Seftel
No abstract text is available yet for this article.
September 2017: Journal of Urology
https://www.readbyqxmd.com/read/28817534/radius-regeneration-after-open-fracture-and-extrusion-a-case-report
#12
Kristopher B McCall, David Y Chong
A pediatric patient presenting with an open forearm fracture with segmental defect is rare, and the pediatric orthopedic literature to guide treatment is sparse. There are several described methods to treat the defect, including bone grafting and bone transport techniques. In addition, there are reports of fibular regeneration after resection if the periosteum is left intact. We present a case report of complete regeneration of over half of a pediatric radial shaft with an intact periosteum, after traumatic extrusion from an open fracture...
August 16, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28817412/effect-of-physical-methods-of-lymphatic-drainage-on-postexercise-recovery-of-mixed-martial-arts-athletes
#13
Aleksandra Zebrowska, Robert Trybulski, Robert Roczniok, Wieslaw Marcol
OBJECTIVE: Physical methods are reported to be important for accelerating skeletal muscle regeneration, decreasing muscle soreness, and shortening of the recovery time. The aim of the study was to assess the effect of the physical methods of lymphatic drainage (PMLD) such as manual lymphatic drainage (MLD), the Bodyflow (BF) therapy, and lymphatic drainage by deep oscillation (DO) on postexercise regeneration of the forearm muscles of mixed martial arts (MMA) athletes. DESIGN AND METHODS: Eighty MMA athletes aged 27...
August 16, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28817409/trest-as-a-new-diagnostic-variable-for-chronic-exertional-compartment-syndrome-of-the-forearm-a-prospective-cohort-analysis-of-124-athletes
#14
Sergi Barrera-Ochoa, Eva Correa-Vazquez, Irene Gallardo-Calero, Sleiman Haddad, Andrea Sallent, Francisco Soldado, David Campillo-Recio, Xavier Mir-Bullo
OBJECTIVES: To measure the accuracy of currently used intracompartmental pressure (ICP) diagnostic variables for forearm chronic exertional compartment syndrome (CECS) and a new ICP diagnostic variable, TRest, the recovery time between the maximum ICP and return to resting pressure. DESIGN: Retrospective cohort. Level evidence IV. SETTING: University-affiliated tertiary hospital. PARTICIPANTS: Patients with suspected forearm CECS, 1990 to 2014...
August 16, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28815731/case-report-of-cutaneous-protothecosis-caused-by-prototheca-wickerhamii-designated-as-genotype-2-and-current-status-of-human-protothecosis-in-japan
#15
Maki Inoue, Azusa Miyashita, Hiromitsu Noguchi, Noriyuki Hirose, Kazuko Nishimura, Michiaki Masuda, Hironobu Ihn
An 85-year-old Japanese woman presented with infiltrative erythema and ulceration on the extensor surface of her right forearm. Direct microscopic examination demonstrated spherical and morula-like sporangia, while histopathology revealed numerous microorganisms with a mulberry-like appearance in the dermis. Staining of the microorganisms also showed mulberry-like sporangia that resembled the spokes of a wheel. The isolated yeast-like microorganism had been identified as Prototheca wickerhamii genotype 2 in another independent study on the basis of its morphological, biochemical and genetic analysis...
August 16, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28814053/mobio-a-5-dof-trans-humeral-robotic-prosthesis
#16
R Achintha M Abayasiri, D G Kanishka Madusanka, N M P Arachchige, A T S Silva, R A R C Gopura
In this paper, a 5 DOF trans-humeral robotic prosthesis: MoBio is proposed. MoBio includes 2 DOF at wrist which is rare in other trans-humeral prostheses. Through anthropometric features MoBio prosthetic arm can achieve elbow flexion/extension, forearm supination/pronation, wrist radial/ulnar deviation, wrist flexion/extension and compound motion of thumb and index finger. An EMG based control method which uses EMG signals of the biceps brachii and triceps brachii, is used with a motion switching mechanism to control the prosthesis...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28814035/decoding-of-individual-finger-movements-from-surface-emg-signals-using-vector-autoregressive-hierarchical-hidden-markov-models-varhhmm
#17
Nebojsa Malesevic, Dimitrije Markovic, Gunter Kanitz, Marco Controzzi, Christian Cipriani, Christian Antfolk
In this paper we present a novel method for predicting individual fingers movements from surface electromyography (EMG). The method is intended for real-time dexterous control of a multifunctional prosthetic hand device. The EMG data was recorded using 16 single-ended channels positioned on the forearm of healthy participants. Synchronously with the EMG recording, the subjects performed consecutive finger movements based on the visual cues. Our algorithm could be described in following steps: extracting mean average value (MAV) of the EMG to be used as the feature for classification, piece-wise linear modeling of EMG feature dynamics, implementation of hierarchical hidden Markov models (HHMM) to capture transitions between linear models, and implementation of Bayesian inference as the classifier...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28814017/assessment-of-lower-arm-movements-using-one-inertial-sensor
#18
Fokke B van Meulen, Bert-Jan F van Beijnum, Jaap H Buurke, Peter H Veltink
Reduction of the number of sensors needed to evaluate arm movements, makes a system for the assessment of human body movements more suitable for clinical practice and daily life assessments. In this study, we propose an algorithm to reconstruct lower arm orientation, velocity and position, based on a sensing system which consists of only one inertial measurement unit (IMU) to the forearm. Lower arm movements were reconstructed using a single IMU and assuming that within a measurement there are moments without arm movements...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813985/emg-pattern-classification-to-control-a-hand-orthosis-for-functional-grasp-assistance-after-stroke
#19
Cassie Meeker, Sangwoo Park, Lauri Bishop, Joel Stein, Matei Ciocarlie
Wearable orthoses can function both as assistive devices, which allow the user to live independently, and as rehabilitation devices, which allow the user to regain use of an impaired limb. To be fully wearable, such devices must have intuitive controls, and to improve quality of life, the device should enable the user to perform Activities of Daily Living. In this context, we explore the feasibility of using electromyography (EMG) signals to control a wearable exotendon device to enable pick and place tasks...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813980/human-mimetic-forearm-mechanism-towards-bionic-arm
#20
Minsang Seo, Hogyun Kim, Youngjin Choi
The paper presents a mechanical forearm mechanism to extend the pronation and supination (P/S) movement of the trans-radial amputee when he/she is able to conduct the P/S motion partially with his/her remaining forearm. The P/S motions of the existing prostheses and robotic arms developed till now are completely different from those of the human. When we are to develop the robotic prostheses for the amputees, two important issues should be considered such as cosmetic issue to look like normal arm and motion harmony issue between robotic prosthesis and the amputated living arm...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
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