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https://www.readbyqxmd.com/read/27754783/the-effects-of-fast-bowling-fatigue-and-adhesive-taping-on-shoulder-joint-position-sense-in-amateur-cricket-players-in-victoria-australia
#1
Nivan Weerakkody, Trevor Allen
The impact that muscle fatigue and taping have on proprioception in an applied sporting context remains unclear. The purpose of this study was to investigate disturbances in position sense at the shoulder joint, and asses the effectiveness of adhesive tape in preventing injury and improving performance, after a bout of cricket fast bowling. Among amateur cricket players (N = 14), shoulder position sense, maximum voluntary contraction (MVC) force and bowling accuracy was assessed before and immediately after a fatiguing exercise bout of fast bowling...
October 18, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27754286/br-07-1-development-of-the-cell-microarray-for-high-throughput-analysis-of-gut-microbiota
#2
Seong-Tshool Hong
The human intestine contains a massive and complex microbial community called gut microbiota. A typical human carries 100 trillion microbes in his/her body which is 10 times greater than the number of their host cells, i.e. whole number of human cells. A combined microbial genome constituting gut microbiota is well excess our own human genome. The microbial composition of gut microbiotata and its role on diseases became a booming area of research, presenting a new paradigm of opportunities for modern medicines...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27643284/br-07-1-development-of-the-cell-microarray-for-high-throughput-analysis-of-gut-microbiota
#3
Seong-Tshool Hong
The human intestine contains a massive and complex microbial community called gut microbiota. A typical human carries 100 trillion microbes in his/her body which is 10 times greater than the number of their host cells, i.e. whole number of human cells. A combined microbial genome constituting gut microbiota is well excess our own human genome. The microbial composition of gut microbiotata and its role on diseases became a booming area of research, presenting a new paradigm of opportunities for modern medicines...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27632834/lumbar-and-cervico-thoracic-spine-loading-during-a-fast-bowling-spell
#4
Matt Greig, Philip Nagy
CONTEXT: Epidemiological studies highlight a prevalence of lumbar vertebrae injuries in cricket fast bowlers, with governing bodies implementing rules to reduce exposure. Analysis typically requires complex and laboratory-based biomechanical analyses, lacking ecological validity. Developments in GPS micro-technologies facilitate on-field measures of mechanical intensity, facilitating screening toward prevention and rehabilitation. OBJECTIVE: To examine the efficacy of using GPS-mounted tri-axial accelerometers to quantify accumulated body 'load', and to investigate the effect of GPS unit placement in relation to epidemiological observations...
August 24, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27442333/comparison-of-the-physical-and-technical-demands-of-cricket-players-during-training-and-match-play
#5
Will Vickery, Rob Duffield, Rian Crowther, David Beakley, Peter Blanch, Ben J Dascombe
This study aimed to determine which training method (net-based sessions or centre-wicket simulations) currently used in national level and U19 male players cricket provided a more physical and technical match-specific training response. The heart rate, rating of perceived exertion and movement patterns of 42 male, cricket players were measured across the various training and match formats. Video analysis was coded retrospectively to quantify technical loads based on the cricket skills performed. Magnitude based inferences were based on the standardization of effect and presented with ±90% confidence intervals...
July 16, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27435575/assessment-of-workload-and-its-effects-on-performance-and-injury-in-elite-cricket-fast-bowlers
#6
Dean J McNamara, Tim J Gabbett, Geraldine Naughton
BACKGROUND: Cricket is distinctly positioned in the world of elite sports because three different formats now exist, each with characteristically different workload requirements. Fast bowlers have greater match-play workload requirements and are at greater injury risk than other positions. An update on the current cricket literature regarding fast bowling match-play physiology, workload, and injury is required to demonstrate the extent to which workload is related to performance and injury in elite fast bowlers since the introduction of 20-over cricket in 2005...
July 19, 2016: Sports Medicine
https://www.readbyqxmd.com/read/27309593/latissimus-dorsi-and-teres-major-tendon-avulsions-in-cricketers-a-case-series-and-literature-review
#7
Krishant S Naidu, Trefor James, Andrew H Rotstein, Simon M Balster, Gregory A Hoy
INTRODUCTION: Acute latissimus dorsi tendon injuries are uncommon, having not previously been described in cricketers. The leg spinner's stock ball bowling technique and the fast bowler's back-of-the-hand slow ball, which is used much more widely in T20 cricket, produce a significant eccentric contraction load on the latissimus dorsi muscle. METHODOLOGY: A retrospective review of a case series of acute latissimus dorsi tendon injuries in 3 elite cricketers (2 fast bowlers and a leg-spin bowler)...
June 22, 2016: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/27140961/lumbar-and-cervico-thoracic-spine-loading-during-a-fast-bowling-spell
#8
Matt Greig, Philip Nagy
CONTEXT: Epidemiological studies highlight a prevalence of lumbar vertebrae injuries in cricket fast bowlers, with governing bodies implementing rules to reduce exposure. Analysis typically requires complex and laboratory-based biomechanical analyses, lacking ecological validity. Developments in GPS micro-technologies facilitate on-field measures of mechanical intensity, facilitating screening toward prevention and rehabilitation. OBJECTIVE: To examine the efficacy of using GPS-mounted tri-axial accelerometers to quantify accumulated body 'load', and to investigate the effect of GPS unit placement in relation to epidemiological observations...
May 2, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27097223/effects-of-dehydration-on-cricket-specific-skill-performance-in-hot-and-humid-conditions
#9
Janaka P Gamage, Angela P De Silva, Arjan K Nalliah, Stuart D Galloway
The aim of the present study was to assess the effects of dehydration on cricket specific motor skill performance among fast-bowlers, fielders, and batsmen playing in a hot and humid environment. 10 fast-bowlers, 12 fielders and 8 batsmen participated in two field trials conducted 7 days apart: a fluid provision trial (FP) and a fluid restriction trial (FR). Each trial consisted of a 2-hour standardized training session and pre-training and post-training skill performance assessments. Bowling speed and accuracy (line and length), throwing speed and accuracy (overarm, sidearm and underarm) and timed running between wickets (1, 2, and 3 runs) was assessed pre to post-training in each trial...
April 20, 2016: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/26840913/lumbopelvic-muscle-activation-patterns-in-adolescent-fast-bowlers
#10
Mitchell Forrest, Mark Hecimovich, Alasdair Dempsey
INTRODUCTION: Adolescent fast bowlers are prone to sustaining lumbar injuries. Numerous components have been identified as contributing factors; however, there is limited empirical evidence outlining how the muscles of the lumbopelvic region, which play a vital role in stabilising the spine, function during the bowling action and the influence of such activation on injuries in the fast bowler. METHODS: Surface electromyography was utilised to measure the function of the lumbar erector spinae, lumbar multifidus, gluteus medius and gluteus maximus muscles bilaterally during the fast bowling action in a group of 35 cricket fast bowlers aged 12-16 years...
September 2016: European Journal of Sport Science
https://www.readbyqxmd.com/read/26821838/the-effect-of-elbow-hyperextension-on-ball-speed-in-cricket-fast-bowling
#11
P J Felton, M A King
This study investigates how elbow hyperextension affects ball release speed in fast bowling. A two-segment planar computer simulation model comprising an upper arm and forearm + hand was customised to an elite fast bowler. A constant torque was applied at the shoulder and elbow hyperextension was represented using a damped linear torsional spring at the elbow. The magnitude of the constant shoulder torque and the torsional spring parameters were determined by concurrently matching three performances. Close agreement was found between the simulations and the performances with an average difference of 3...
September 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/26811982/dynamic-loading-and-unloading-of-proteins-in-polymeric-stomatocytes-formation-of-an-enzyme-loaded-supramolecular-nanomotor
#12
Loai K E A Abdelmohsen, Marlies Nijemeisland, Gajanan M Pawar, Geert-Jan A Janssen, Roeland J M Nolte, Jan C M van Hest, Daniela A Wilson
Self-powered artificial nanomotors are currently attracting increased interest as mimics of biological motors but also as potential components of nanomachinery, robotics, and sensing devices. We have recently described the controlled shape transformation of polymersomes into bowl-shaped stomatocytes and the assembly of platinum-driven nanomotors. However, the platinum encapsulation inside the structures was low; only 50% of the structures contained the catalyst and required both high fuel concentrations for the propelling of the nanomotors and harsh conditions for the shape transformation...
February 23, 2016: ACS Nano
https://www.readbyqxmd.com/read/26795208/designing-nanobowl-arrays-of-mesoporous-tio%C3%A2-as-an-alternative-electron-transporting-layer-for-carbon-cathode-based-perovskite-solar-cells
#13
Xiaoli Zheng, Zhanhua Wei, Haining Chen, Qianpeng Zhang, Hexiang He, Shuang Xiao, Zhiyong Fan, Kam Sing Wong, Shihe Yang
In this work, we have designed a mesoporous TiO2 nanobowl (NB) array with pore size, bowl size and film thickness being easily controllable by the sol-gel process and the polystyrene (PS) template diameter. Based on the TiO2 NB array, we fabricated carbon cathode based perovskite solar cells (C-PSCs) to investigate the impact of TiO2 NB nanostructures on the performance of the as-obtained C-PSCs devices. As expected, the TiO2 NB based devices show a higher power conversion efficiency (PCE) than that of the planar counterpart, mainly due to the enhanced light absorption arising from the NB-assisted light management, the improved pore-filling of high quality perovskite crystals and the increased interface contact for rapid electron extraction and fast charge transport...
March 28, 2016: Nanoscale
https://www.readbyqxmd.com/read/26751812/field-scale-fluorescence-fingerprinting-of-biochar-borne-dissolved-organic-carbon
#14
Minori Uchimiya, Zhongzhen Liu, Karamat Sistani
Biochar continues to receive worldwide enthusiasm as means of augmenting recalcitrant organic carbon in agricultural soils. Realistic biochar amendment rate (typically less than 1 wt%) in the field scale, and subsequent loss by sizing, rain, and other transport events demand reliable methods to quantify the remaining portions of amended biochar. This study employed fluorescence excitation-emission (EEM) spectrophotometry and parallel factor analysis (PARAFAC) to specifically target pyrogenic dissolved organic carbon (DOC) released by amended biochar during the course of a field trial at Bowling Green, KY experimental site...
March 15, 2016: Journal of Environmental Management
https://www.readbyqxmd.com/read/26365510/which-extrinsic-and-intrinsic-factors-are-associated-with-non-contact-injuries-in-adult-cricket-fast-bowlers
#15
REVIEW
Benita Olivier, Tracy Taljaard, Elaine Burger, Peter Brukner, John Orchard, Janine Gray, Nadine Botha, Aimee Stewart, Warrick Mckinon
BACKGROUND: The high prevalence of injury amongst cricket fast bowlers exposes a great need for research into the risk factors associated with injury. Both extrinsic (environment-related) and intrinsic (person-related) risk factors are likely to be implicated within the high prevalence of non-contact injury amongst fast bowlers in cricket. Identifying and defining the relative importance of these risk factors is necessary in order to optimize injury prevention efforts. OBJECTIVE: The objective of this review was to assess and summarize the scientific literature related to the extrinsic and intrinsic factors associated with non-contact injury inherent to adult cricket fast bowlers...
January 2016: Sports Medicine
https://www.readbyqxmd.com/read/26186222/does-maximising-ball-speed-in-cricket-fast-bowling-necessitate-higher-ground-reaction-forces
#16
M A King, P J Worthington, C A Ranson
This study aimed to investigate whether high peak ground reaction forces and high average loading rates are necessary to bowl fast. Kinematic and kinetic bowling data were collected for 20 elite male fast bowlers. A moderate non-significant correlation was found between ball speed and peak vertical ground reaction force with faster bowlers tending to have lower peak vertical ground reaction force (r = -0.364, P = 0.114). Faster ball speeds were correlated with both lower average vertical and lower average horizontal loading rates (r = -0...
2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/26123326/binding-pancreaticogastrostomy-in-laparoscopic-central-pancreatectomy-a-novel-technique-in-laparoscopic-pancreatic-surgery
#17
Defei Hong, Yingbin Liu, Shuyou Peng, Xiaodong Sun, Zhifei Wang, Jian Cheng, Guoliang Shen, Yuanbiao Zhang, Dongsheng Huang
BACKGROUND: Even though more and more cases of laparoscopic central pancreatectomy (LCP) are reported (Machado et al. in Surg Laparosc Endosc Percutan Tech 23(6):486-490, 2013; Hong et al. in World J Surg Oncol 10:223, 2012; Gonzalez et al. in JOP 14(3):273-276, 2013, Zhang et al. in J Laparoendosc Adv Surg Tech A 23(11):912-918, 2013; Sucandy et al. in N Am J Med Sci 2(9):438-441, 2010; Sa Cunha et al. in Surgery 142(3):405-409, 2007), the management for pancreatic stumps remains the most technically challenging part which is the same as in pancreatoduodenectomy (PD), making it the bottleneck for laparoscopic pancreatic surgery...
February 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/26059231/symmetry-not-asymmetry-of-abdominal-muscle-morphology-is-associated-with-low-back-pain-in-cricket-fast-bowlers
#18
Janine Gray, Kerith D Aginsky, Wayne Derman, Christopher L Vaughan, Paul W Hodges
OBJECTIVES: Although abdominal muscle morphology is symmetrical in the general population, asymmetry has been identified in rotation sports. This asymmetry includes greater thickness of obliquus internus abdominis (OI) on the non-dominant side in cricketers. Cricket fast bowlers commonly experience low back pain (LBP) related to bowling action, and this depends on trunk muscle control. This study aimed to compare abdominal muscle thickness between fast bowlers with and without LBP. DESIGN: Cross sectional descriptive study...
March 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/26033149/a-polymeric-bowl-for-multi-agent-delivery
#19
Dong Choon Hyun
This paper describes a simple system for multi-agent delivery. The system consists of a biodegradable polymer particle with a hollow interior, together with a hole on its surface that can be completely or partially sealed via thermal annealing. A hydrophobic dye, Nile-red, entrapped within the shell of hollow particles presents a sustained release behavior while methylene blue, a hydrophilic model agent, encapsulated in the hollow interior shows a fast release manner. The release profiles of the probes can be further independently controlled by encapsulating methylene blue-loaded polymer nanoparticles, instead of free dye, in the hollow particle with a small hole on its surface...
August 2015: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/25794969/lumbar-load-in-adolescent-fast-bowlers-a-prospective-injury-study
#20
Helen Bayne, Bruce Elliott, Amity Campbell, Jacqueline Alderson
OBJECTIVES: This study aimed to identify modifiable mechanisms associated with low back injury in adolescent cricket fast bowlers. DESIGN: A prospective study design examined the association between intrinsic risk factors, workload, bowling kinematics, lumbar load and low back injury incidence. METHODS: Twenty-five injury free fast bowlers, aged 14-19 years, were assessed prior to the start of a cricket season and observed during the season for low back injuries...
February 2016: Journal of Science and Medicine in Sport
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