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https://www.readbyqxmd.com/read/28900570/running-injury-development-the-attitudes-of-middle-and-long-distance-runners-and-their-coaches
#1
Karen Krogh Johansen, Adam Hulme, Camma Damsted, Daniel Ramskov, Rasmus Oestergaard Nielsen
BACKGROUND: Behavioral science methods have rarely been used in running injury research. Therefore, the attitudes amongst runners and their coaches regarding factors leading to running injuries warrants formal investigation. PURPOSE: To investigate the attitudes of middle- and long-distance runners able to compete in national championships and their coaches about factors associated with running injury development. METHODS: A link to an online survey was distributed to middle- and long-distance runners and their coaches across 25 Danish Athletics Clubs...
August 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28893264/maximizing-research-study-effectiveness-in-malaria-elimination-settings-a-mixed-methods-study-to-capture-the-experiences-of-field-based-staff
#2
Sara E Canavati, Cesia E Quintero, Britt Haller, Dysoley Lek, Sovann Yok, Jack S Richards, Maxine Anne Whittaker
BACKGROUND: In a drug-resistant, malaria elimination setting like Western Cambodia, field research is essential for the development of novel anti-malarial regimens and the public health solutions necessary to monitor the spread of resistance and eliminate infection. Such field studies often face a variety of similar implementation challenges, but these are rarely captured in a systematic way or used to optimize future study designs that might overcome similar challenges. Field-based research staff often have extensive experience and can provide valuable insight regarding these issues, but their perspectives and experiences are rarely documented and seldom integrated into future research protocols...
September 11, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28872377/the-influence-of-rotations-on-match-running-performance-in-female-australian-football-midfielders
#3
Georgia M Black, Tim J Gabbett, Rich D Johnston, Geraldine Naughton, Michael H Cole, Brian Dawson
PURPOSE: With female Australian football (AF) gaining popularity, the understanding of match demands is becoming increasingly important. The aim of this study compare running performances of rotated and whole-quarter state level female Australian Football players during match quarters. METHODS: Twenty-two state-level female AF midfielders wore global positioning system units during 14 games to evaluate activity profiles. The Yo-Yo Intermittent Recovery Test (Level 1[Yo-Yo IR1]) was used as a measure of high-intensity running ability...
September 5, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28863544/molecular-dynamics-study-of-the-potential-of-mean-force-of-sds-aggregates
#4
Shinji Kawada, Kazushi Fujimoto, Noriyuki Yoshii, Susumu Okazaki
In our previous study, all-atomistic molecular dynamics (MD) calculations have been carried out for the aggregation of ionic sodium dodecyl sulfate in water [S. Kawada et al., Chem. Phys. Lett. 646, 36 (2016)]. Aggregates of 20-30 dodecyl sulfate ions were formed within a short MD run for 10 ns. However, further aggregation did not occur despite a long MD calculation for more than 100 ns. This suggests that strong electrostatic repulsive interactions between the aggregates prevent the fusion of the aggregates...
August 28, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28808557/timing-and-pattern-of-annual-silver-eel-migration-in-two-european-watersheds-are-determined-by-similar-cues
#5
Odd Terje Sandlund, Ola H Diserud, Russell Poole, Knut Bergesen, Mary Dillane, Gerard Rogan, Caroline Durif, Eva B Thorstad, Leif Asbjørn Vøllestad
Many animals perform long-distance migrations in order to maximize lifetime reproductive success. The European eel migrates several thousand kilometers between their feeding habitats in continental waters (fresh-, brackish, and sea water) and their spawning area in the Sargasso Sea. Eels residing in freshwaters usually initiate their spawning migration as silver eels during autumn, triggered by diverse environmental cues. We analyzed the time series of silver eel downstream migration in Burrishoole, Ireland (1971-2015), and Imsa, Norway (1975-2015), to examine factors regulating the silver eel migration from freshwater to the sea...
August 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28808380/identification-and-analysis-of-jasmonate-pathway-genes-in-coffea-canephora-robusta-coffee-by-in-silico-approach
#6
Kosaraju Bharathi, H L Sreenath
BACKGROUND: Coffea canephora is the commonly cultivated coffee species in the world along with Coffea arabica. Different pests and pathogens affect the production and quality of the coffee. Jasmonic acid (JA) is a plant hormone which plays an important role in plants growth, development, and defense mechanisms, particularly against insect pests. The key enzymes involved in the production of JA are lipoxygenase, allene oxide synthase, allene oxide cyclase, and 12-oxo-phytodienoic reductase...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28803134/age-related-changes-of-physiological-performance-and-survivorship-of-bank-voles-selected-for-high-aerobic-capacity
#7
Agata Marta Rudolf, Maciej Jan Dańko, Edyta Teresa Sadowska, Geoffrey Dheyongera, Paweł Koteja
Variation in lifespans is an intriguing phenomenon, but how metabolic rate influence this variation remains unclear. High aerobic capacity can result in health benefits, but also in increased oxidative damage and accelerated ageing. We tested these contradictory predictions using bank voles (Myodes=Clethrionomys glareolus) from lines selected for high swim-induced aerobic metabolism (A), which had about 50% higher maximum metabolic rate and a higher basal and routine metabolic rates, than those from unselected control lines (C)...
August 10, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28790928/enhanced-right-chamber-remodeling-in-endurance-ultra-trail-athletes-compared-to-marathon-runners-detected-by-standard-and-speckle-tracking-echocardiography
#8
Kristian Ujka, Luca Bastiani, Gennaro D'Angelo, Bruna Catuzzo, Alessandro Tonacci, Simona Mrakic-Sposta, Alessandra Vezzoli, Guido Giardini, Lorenza Pratali
Background: Strenuous and endurance exercise training have been associated with morphological and functional heart remodeling. Two-dimensional speckle-tracking echocardiography (STE) is a novel technique that allows an accurate quantification of global myocardium deformation. Our aim was to evaluate together left and right cardiac remodeling in different long-distance running athletes: marathon runners (42 km) (M) and endurance mountain runners (>300 Km) (UT). Methods: A total of 92 athletes (70 males, 76%) including 47 M [age 45 ± 7 years; training: 18 (9-53) years(*)days/week], 45 UT [age 42 ± 9, training: 30 (15-66) years(*)days/week] underwent conventional echocardiography and STE (Beyond Diogenes 2...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28744226/the-mucosal-immune-function-is-not-compromised-during-a-period-of-high-intensity-interval-training-is-it-time-to-reconsider-an-old-assumption
#9
Dennis-Peter Born, Christoph Zinner, Billy Sperlich
Purpose: The aim of the study was to evaluate the mucosal immune function and circadian variation of salivary cortisol, Immunoglobin-A (sIgA) secretion rate and mood during a period of high-intensity interval training (HIIT) compared to long-slow distance training (LSD). Methods: Recreational male runners (n = 28) completed nine sessions of either HIIT or LSD within 3 weeks. The HIIT involved 4 × 4 min of running at 90-95% of maximum heart rate interspersed with 3 min of active recovery while the LSD comprised of continuous running at 70-75% of maximum heart rate for 60-80 min...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28731978/differences-in-spatiotemporal-parameters-between-trained-runners-and-untrained-participants
#10
Josué Gómez-Molina, Ana Ogueta-Alday, Christopher Stickley, Jesús Cámara, Jon Cabrejas-Ugartondo, Juan García-López
Gómez-Molina, J, Ogueta-Alday, A, Stickley, C, Tobalina, JC, Cabrejas-Ugartondo, J, and García-López, J. Differences in spatiotemporal parameters between trained runners and untrained participants. J Strength Cond Res 31(8): 2169-2175, 2017-The aim of this study was to compare the spatiotemporal parameters of trained runners and untrained participants with the same foot strike pattern (rearfoot) during running at controlled speeds. Twenty-one participants were classified in 2 groups according to their training experience: Trained (n = 10, amateur runners with long distance training experience) and Untrained (n = 11, healthy untrained participants)...
August 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28730917/novice-runners-show-greater-changes-in-kinematics-with-fatigue-compared-with-competitive-runners
#11
Ellen Maas, Jorien De Bie, Riet Vanfleteren, Wouter Hoogkamer, Benedicte Vanwanseele
Fatigue, developed over the course of a run, may cause changes in running kinematics. Training status may influence the effect of fatigue on running kinematics, since well trained, competitive runners are used to running until exhaustion, whereas novice runners are not. This study aimed to determine changes in running kinematics during an exhaustive run in both novice (NOVICE) and competitive (COMP) long-distance runners. About 15 NOVICE and 15 COMP runners performed a treadmill run, until voluntary exhaustion at 3,200 m time trial pace...
July 21, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28726691/an-exploratory-study-of-the-effects-of-stormwater-pipeline-materials-on-transported-stormwater-quality
#12
Matthias Borris, Heléne Österlund, Jiri Marsalek, Maria Viklander
Implications of three sewer pipe materials (concrete, galvanized corrugated steel, and polyvinyl chloride (PVC)) for stormwater quality were explored in laboratory experiments, in which three types of stormwater, SW1-SW3, were circulated in 0.5 m long sewer pipe sections. SW1 and SW2 represented synthetic rainwater, without and with fine street sediment added (CTSS = 150 mg/L), respectively, and SW3 was actual stormwater with the same sediment addition as SW2. Following 20-min runs, with an equivalent distance of 500 m travelled by water particles, a number of statistically significant changes in the stormwater chemistry were observed: (i) pH of all the simulated stormwaters increased in the concrete pipe (from 7...
July 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28722338/hdr-del-a-tool-based-on-hamming-distance-for-prioritizing-pathogenic-chromosomal-deletions-in-exome-sequencing
#13
Atsuko Imai, Masakazu Kohda, Kaori Kobayashi, Tomoko Hirata, Yasushi Sakata, Kei Murayama, Akira Ohtake, Yasushi Okazaki, Akihiro Nakaya, Jurg Ott
High-density oligonucleotide arrays have been widely used to detect pathogenic chromosomal deletions. In addition to high-density oligonucleotide arrays, programs using whole exome sequencing have become available for estimating copy number variations using depth of coverage. Here we propose a new statistical method, HDR-del, to prioritize pathogenic chromosomal deletions based on Hamming distance in exome sequencing. In vcf (Variant Call Format) files generated from exome sequencing, hemizygous chromosomal deletion regions lack heterozygous variants and lead to apparent long runs of homozygosity (ROH)...
July 19, 2017: Human Mutation
https://www.readbyqxmd.com/read/28708946/sports-participation-functional-outcome-and-complications-after-ankle-arthrodesis-midterm-follow-up
#14
Yvonne R A Kerkhoff, Noël L W Keijsers, Jan Willem K Louwerens
BACKGROUND: Ankle arthrodesis provides satisfactory functional outcome based on basic daily activities, but information regarding more demanding tasks is limited. Also, studies reporting longer term survival and complication rates are sparse and concern small study populations. This study reports functional outcome with more focus on demanding tasks and sports and reports the mid- to long-term union and complication rates in a large study population. METHODS: Between 2005 and 2010, an ankle arthrodesis was performed on 185 ankles...
July 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28707644/going-the-extra-mile-lessons-learned-from-running-coaches-applied-to-medicine
#15
Ryan Graddy, Scott Wright
Master clinicians and successful long-distance runners have a lot in common. Both are dedicated to continuous improvement and are flexible in their approach, allowing for adaptation to meet unplanned challenges. Given these similarities and the important role of coaches in athletics, there is an opportunity for medical educators to learn from excellent running coaching. The authors spent time with three respected running coaches at different levels (high school, college, and postcollegiate online) and identified six principles employed by these coaches that seem to be particularly relevant for promoting skill development in medicine...
January 2017: Education for Health: Change in Training & Practice
https://www.readbyqxmd.com/read/28702049/endurance-exercise-ability-in-the-horse-a-trait-with-complex-polygenic-determinism
#16
Anne Ricard, Céline Robert, Christine Blouin, Fanny Baste, Gwendoline Torquet, Caroline Morgenthaler, Julie Rivière, Nuria Mach, Xavier Mata, Laurent Schibler, Eric Barrey
Endurance horses are able to run at more than 20 km/h for 160 km (in bouts of 30-40 km). This level of performance is based on intense aerobic metabolism, effective body heat dissipation and the ability to endure painful exercise. The known heritabilities of endurance performance and exercise-related physiological traits in Arabian horses suggest that adaptation to extreme endurance exercise is influenced by genetic factors. The objective of the present genome-wide association study (GWAS) was to identify single nucleotide polymorphisms (SNPs) related to endurance racing performance in 597 Arabian horses...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28674598/cortisol-and-alpha-amylase-changes-during-an-ultra-running-event
#17
Whitney P Deneen, Alexis B Jones
Elevated stress hormone concentrations can positively affect an athlete's overall performance during a competition, and in many cases, are necessary to be able to perform exercise. During extreme exercise, the body's ability to utilize energy efficiently can affect an athlete's performance. Elevated hormonal concentrations can have many benefits in regards to an athlete's overall performance during a competition. The purpose of this study was to examine the effects of long distance running, such as seen during an ultra-running event (distances beyond 26...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/28661725/-i-wanna-be-the-very-best-agreeableness-and-perseverance-predict-sustained-playing-to-pok%C3%A3-mon-go-a-longitudinal-study
#18
Fanny Lalot, Oulmann Zerhouni, Mathieu Pinelli
OBJECTIVE: The smartphone game Pokémon Go™ has attracted much scientific attention regarding its potential health-related outcomes. Most studies, however, limited their investigation to short-term outcomes. The aim of the present study is to investigate the role of personality traits in predicting sustained playing to the game on a 6-month period as well as related health outcomes in terms of distance walked per day. MATERIALS AND METHODS: Pokémon Go players from 10 countries were recruited through social media and answered an online questionnaire...
June 29, 2017: Games for Health
https://www.readbyqxmd.com/read/28651592/anatomic-comparison-of-veins-of-labb%C3%A3-between-autopsy-digital-subtraction-angiography-and-computed-tomographic-venography
#19
Qiong Fang, Anhong Jiang, Wei Tao, Lin Xin
OBJECTIVE: The drainage portion of the vein of Labbé varies, and it is difficult to predict whether the operation is likely to damage this vein. The aim of this study was to correlate the microanatomy of the vein of Labbé with digital subtraction angiography (DSA) and computed tomographic venography (CTV), in order to provide a basis for the preservation of the vein of Labbé during a supratentorial surgical approach. METHODS: A total of 30 human cadavers (60 sides) and 61 living patients (110 sides) were examined in this study...
June 26, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28644242/effects-of-participation-in-sports-programs-on-walking-ability-and-endurance-over-time-in-children-with-cerebral-palsy
#20
Sandy A Ross, Morgan Yount, Sara Ankarstad, Samantha Bock, Britta Orso, Kimberly Perry, Jennifer Miros, Janice E Brunstrom-Hernandez
OBJECTIVE: Children with cerebral palsy may benefit from maintaining a high level of physical fitness similar to typically developing children especially in terms of long-term physical performance, although in practice this is often difficult. The purpose of this study was to determine the effect of participation in sports programs on walking ability and endurance over time. DESIGN: A retrospective cohort study included participants with cerebral palsy, aged 6 to 20 yrs, who attended a summer sports program from 2004 to 2012...
June 21, 2017: American Journal of Physical Medicine & Rehabilitation
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