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https://www.readbyqxmd.com/read/28817506/maximum-distance-and-high-speed-distance-demands-by-position-in-ncaa-division-i-collegiate-football-games
#1
Gabriel J Sanders, Brad Roll, Corey A Peacock
The purpose of the study was to quantify the average and maximum distances traveled by NCAA division I football athletes during competitive games. Utilizing global positioning system (GPS) devices (Catapult Sports), total and low, moderate and high speed distances were quantified by each position. Understanding maximal workloads can enhance conditioning practice periodization protocols. A total of 40 football athletes were included in the analysis. For the data to be included, athletes were required to participate in ≥ 75% of the offensive or defensive snaps for any given game...
July 5, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28817504/movement-demands-and-perceived-wellness-associated-with-pre-season-training-camp-in-ncaa-division-i-college-football-players
#2
Aaron D Wellman, Sam C Coad, Patrick J Flynn, Christopher P McLellan, Mike Climstein
The aims of the present study were to examine the movement demands of pre-season practice in National Collegiate Athletic Association (NCAA) division I college football players using portable global positioning system (GPS) technology and to assess perceived wellness associated with pre-season practice to determine if GPS-derived variables from the preceding day influence perceived wellness the following day. Twenty-nine players were monitored using GPS receivers (Catapult Innovations, Melbourne, Australia) during 20 pre-season practices...
July 5, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28812036/incidence-of-sports-related-concussion-among-ncaa-women-s-ice-hockey-athletes
#3
Emily M Brook, Emily Kroshus, Caroline H Hu, Marissa Gedman, Jamie E Collins, Elizabeth G Matzkin
BACKGROUND: There are limited data on the incidence of concussion and concussion symptom nondisclosure among collegiate women's ice hockey athletes. PURPOSE: To determine the incidence of sports-related concussion (SRC) in National Collegiate Athletic Association (NCAA) women's ice hockey athletes. STUDY DESIGN: Descriptive epidemiology study. METHODS: An anonymous online survey was completed by 459 NCAA women's ice hockey athletes...
July 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28811750/availability-of-a-sports-dietitian-may-lead-to-improved-performance-and-recovery-of-ncaa-division-i-baseball-athletes
#4
Michael V Hull, Jonathan Neddo, Andrew R Jagim, Jonathan M Oliver, Mike Greenwood, Margaret T Jones
BACKGROUND: The purpose was to survey dietary habits (DH) and nutrient timing (NT) practices of baseball student-athletes (mean ± SD; 20.7 ± 1.4 yr.) from three NCAA Division I institutions, and examine the effect of a sports dietitian (SD) in regard to nutrition practices. METHODS: Descriptive statistics and Pearson X(2) analyses were run. Responses on 10 DH and 5 NT items differed (p ≤ 0.10) between athletes who sought dietary planning from a SD (n = 36) versus those who consulted a strength and conditioning coach (SCC, n = 42)...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28809560/recombinant-macrocyclic-lanthipeptides-incorporating-non-canonical-amino-acids
#5
Claudio Zambaldo, Xiaozhou Luo, Angad P Mehta, Peter G Schultz
Nisin is a complex lanthipeptide that has broad spectrum antibacterial activity. In efforts to broaden the structural diversity of this ribosomally synthesized lantibiotic, we now report the recombinant expression of Nisin variants that incorporate noncanonical amino acids (ncAAs) at discrete positions. This is achieved by expressing the nisA structural gene, cyclase (nisC) and dehydratase (nisB), together with an orthogonal nonsense suppressor tRNA/aminoacyl-tRNA synthetase pair in Escherichia coli. A number of ncAAs with novel chemical reactivity were genetically incorporated into NisA, including an α-chloroacetamide-containing ncAA that allowed for the expression of Nisin variants with novel macrocyclic topologies...
August 15, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28777247/a-comparison-of-pre-season-and-in-season-practice-and-game-loads-in-ncaa-division-i-football-players
#6
Aaron D Wellman, Sam C Coad, Patrick J Flynn, Ty K Siam, Christopher P McLellan
The aim of the present study was to quantify the individual practice and game loads throughout an NCAA division I football season to determine if significant differences exist between the practice loads associated with pre-season training camp and those undertaken during the in-season period. Thirty-one NCAA division I football players were monitored using GPS and IA (MinimaxX S5; Catapult Innovations, Melbourne, Australia) during 22 pre-season practices, 36 in-season practices, and 12 competitions. The season was divided into four distinct phases for data analysis: pre-season week 1 (pre-season1), pre-season week 2 (pre-season2), pre-season week 3 (pre-season3), and 12 in-season weeks...
July 31, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28758722/streptomyces-albus-a-new-cell-factory-for-non-canonical-amino-acids-incorporation-into-ribosomally-synthesized-natural-products
#7
Mariia Lopatniuk, Maksym Myronovskyi, Andriy Luzhetskyy
The incorporation of noncanonical amino acids (ncAAs) with different side chains into a peptide is a promising technique for changing the functional properties of that peptide. Of particular interest is the incorporation of ncAAs into peptide-derived natural products to optimize their biophysical properties for medical and industrial applications. Here, we present the first instance of ncAA incorporation into the natural product cinnamycin in streptomycetes using the orthogonal pyrrolysyl-tRNA synthetase/tRNA(Pyl) pair from Methanosarcina barkeri...
August 16, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28745561/epidemiology-of-hip-flexor-and-hip-adductor-strains-in-national-collegiate-athletic-association-athletes-2009-2010-2014-2015
#8
Timothy G Eckard, Darin A Padua, Thomas P Dompier, Sara L Dalton, Kristian Thorborg, Zachary Y Kerr
BACKGROUND: Little research has examined the rates and patterns of hip flexor or hip adductor strains in student-athletes in the National Collegiate Athletic Association (NCAA). PURPOSE: To describe the epidemiology of hip flexor and adductor strains in NCAA athletes during the 2009/2010-2014/2015 academic years. STUDY DESIGN: Descriptive epidemiology study. METHODS: Rates and patterns of hip flexor and adductor strains in collegiate sports were examined in a convenience sample of NCAA varsity teams from 25 sports...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28739836/psychological-impact-of-electrocardiogram-screening-in-national-collegiate-athletic-association-athletes
#9
Irfan M Asif, Scott Annett, Joseph A Ewing, Ramy Abdelfattah, Brittan Sutphin, Kyle Conley, Justin Rothmier, Kimberly G Harmon, Jonathan A Drezner
PURPOSE: Determine the psychological impact of false-positive ECG screening in National Collegiate Athletic Association (NCAA) athletes. METHODS: Athletes representing seven NCAA institutions received a standardised history, physical examination and ECG interpreted using the 2013 Seattle Criteria. Assessments of health attitudes, anxiety and impact of screening on sport were conducted using validated prescreen and postscreen measurements. RESULTS: 1192 student-athletes participated (55...
July 24, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28723820/the-effects-of-cardiovascular-fitness-and-body-composition-on-maximal-core-temperature-in-collegiate-football-players-during-pre-season
#10
JoAnna M McClelland, Sandra Fowkes Godek, Pamela S Chlad, Deborah L Feairheller, Katherine E Morrison
This study evaluated the effects of BMI and aerobic fitness (VO2max) on maximal core temperature values (Tcmax) in 17 NCAA Division III football players during pre-season. The subjects included nine backs (BKs) and eight linemen (LM). VO2max testing was performed one week prior to pre-season. Core temperature was monitored via ingestible sensor every 10 min during practices on day 4(D1), day 5(D2), day 7(D3), and post-acclimatization on day 14(D4). Wet bulb globe temperature (WBGT) was recorded on each collection day...
July 14, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28723815/effect-of-energy-drink-consumption-on-power-and-velocity-of-selected-sport-performance-activities
#11
Bert H Jacobson, Garrett M Hester, Ty B Palmer, Kathryn Williams, Zachary K Pope, John H Sellers, Eric C Conchola, Conrad Woolsey, Carlos Estrada
Energy drinks comprise a multibillion dollar market focused on younger, active and competitive individuals. Marketing includes claims of improved alertness and performance. The purpose of this study was to assess power (W) and velocity (m·s) of a simulated, isolated forehand stroke (FHS) and a counter movement vertical jump (CVJ) before and after ingestion of a commercially available energy shot (ES) or a placebo (PL). Healthy college-aged male and female (N=36) volunteers were randomly placed in the ES or PL...
July 17, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28714791/influence-of-body-composition-on-functional-movement-screen%C3%A2-scores-in-collegiate-football-players
#12
Constantine P Nicolozakes, Daniel K Schneider, Ben Rower, James Borchers, Timothy E Hewett
CONTEXT: The Functional Movement Screen (FMS™) is used to identify movement asymmetries and deficiencies. While obesity has been reported to impede movement, the correlation between body mass index (BMI), body fat percentage (BF%), and FMS™ in athletes is unknown. OBJECTIVE: To determine if there is a relationship between BMI, BF%, and FMS™ scores in a sample of National Collegiate Athletic Association (NCAA) Division I football athletes. DESIGN: Cross-sectional study...
July 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28697669/rewriting-the-genetic-code
#13
Takahito Mukai, Marc J Lajoie, Markus Englert, Dieter Söll
The genetic code-the language used by cells to translate their genomes into proteins that perform many cellular functions-is highly conserved throughout natural life. Rewriting the genetic code could lead to new biological functions such as expanding protein chemistries with noncanonical amino acids (ncAAs) and genetically isolating synthetic organisms from natural organisms and viruses. It has long been possible to transiently produce proteins bearing ncAAs, but stabilizing an expanded genetic code for sustained function in vivo requires an integrated approach: creating recoded genomes and introducing new translation machinery that function together without compromising viability or clashing with endogenous pathways...
July 11, 2017: Annual Review of Microbiology
https://www.readbyqxmd.com/read/28674601/physiological-characteristics-of-projected-starters-and-non-starters-in-the-field-positions-from-a-division-i-women-s-soccer-team
#14
Fabrice G Risso, Farzad Jalilvand, Ashley J Orjalo, Matthew R Moreno, Deshaun L Davis, Samantha A Birmingham-Babauta, John J Stokes, Alyssa A Stage, Tricia M Liu, Dominic V Giuliano, Adrina Lazar, Robert G Lockie
NCAA soccer features different substitution rules compared to FIFA-sanctioned matches, with a greater availability of players who can enter the game. This could influence the physiological characteristics of the field position starters (ST) and non-starters (NST) within a collegiate women's team, which has not been previously analyzed. Thus, 22 field players from the same Division I women's soccer squad completed: vertical and standing broad jumps; 30-meter (m) sprint (0-5, 0-10, 0-30 m intervals); pro-agility and 60-yard shuttle; and the Yo-Yo Intermittent Recovery Test Level 1...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/28671771/synthetic-alienation-of-microbial-organisms-by-using-genetic-code-engineering-why-and-how
#15
Vladimir Kubyshkin, Nediljko Budisa
The main goal of synthetic biology (SB) is the creation of biodiversity applicable for biotechnological needs, while xenobiology (XB) aims to expand the framework of natural chemistries with the non-natural building blocks in living cells to accomplish artificial biodiversity. Protein and proteome engineering, which overcome limitation of the canonical amino acid repertoire of 20 (+2) prescribed by the genetic code by using non-canonic amino acids (ncAAs), is one of the main focuses of XB research. Ideally, estranging the genetic code from its current form via systematic introduction of ncAAs should enable the development of bio-containment mechanisms in synthetic cells potentially endowing them with a "genetic firewall" i...
July 3, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28670666/epidemiologic-comparisons-of-soccer-related-injuries-presenting-to-emergency-departments-and-reported-within-high-school-and-collegiate-settings
#16
Zachary Y Kerr, Lauren A Pierpoint, Dustin W Currie, Erin B Wasserman, R Dawn Comstock
BACKGROUND: Few studies compare sports injury patterns in different settings. This study described the epidemiology of soccer injuries presenting to emergency departments (EDs) and compared injuries presenting to EDs to injuries presenting to collegiate and high school athletic trainers (ATs). METHODS: Soccer-related injuries (product code 1267) in the National Electronic Injury Surveillance System (NEISS) that were sustained by individuals at least two years of age in 2004-2013 were included...
December 2017: Injury Epidemiology
https://www.readbyqxmd.com/read/28662349/injury-surveillance-of-head-neck-and-facial-injuries-in-collegiate-ice-hockey-players-2009-2010-through-2013-2014-academic-years
#17
Molly MacMhathan Simmons, David I Swedler, Zachary Y Kerr
CONTEXT:   Ice hockey is a high-speed, full-contact sport with a high risk of head/face/neck (HFN) injuries. However, men's and women's ice hockey differ; checking is allowed only among men. OBJECTIVES:   To describe the epidemiology of HFN injuries in collegiate men's and women's ice hockey during the 2009-2010 through 2013-2014 academic years. DESIGN:   Descriptive epidemiology study. SETTING:   Ice hockey data from the National Collegiate Athletic Association (NCAA) Injury Surveillance Program during the 2009-2010 through 2013-2014 academic years...
August 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28658088/laboratory-and-match-physiological-data-from-an-elite-male-collegiate-soccer-athlete
#18
Ryan M Sapp, Logan Aronhalt, Rian Q Landers-Ramos, Espen E Spangenburg, Min Qi Wang, James M Hagberg
This study compared physiological data from an elite collegiate soccer player to that of his teammates over two seasons. The player of special interest (Player A) was the winner of the MAC Hermann trophy and was therefore considered the top player in NCAA division I soccer for each of the two seasons in which data was collected. Maximal oxygen consumption (VO2max) was measured during preseasons and heart rate was recorded during competitive matches. Polar training loads (PTL) were calculated by the Polar Team2 Pro (Polar USA) system based on time spent in HR zones...
June 22, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28655621/incidence-and-outcome-of-in-hospital-cardiac-arrest-in-italy-a-multicentre-observational-study-in-the-piedmont-region
#19
Giulio Radeschi, Andrea Mina, Giacomo Berta, Andrea Fassiola, Agostino Roasio, Felice Urso, Roberto Penso, Ugo Zummo, Paola Berchialla, Giuseppe Ristagno, Claudio Sandroni
AIMS: to report the incidence, characteristics, and outcome of in-hospital cardiac arrest (IHCA) in a large Italian region. SETTING: all hospitals participating in the IHCA Registry Initiative of Piedmont. METHODS: observational cohort study in adult (>18year old) inpatients resuscitated from IHCA during three consecutive years (2012-2014). The main outcome measures were IHCA incidence and survival to hospital discharge. RESULTS: A total of1539 arrests in adult inpatients were recorded in the study period, yielding an overall incidence of 1...
June 24, 2017: Resuscitation
https://www.readbyqxmd.com/read/28650092/photoactivatable-mussel-based-underwater-adhesive-proteins-by-an-expanded-genetic-code
#20
Mathias Hauf, Florian Richter, Tobias Schneider, Thomas Faidt, Berta M Martins, Tobias Baumann, Patrick Durkin, Holger Dobbek, Karin Jacobs, Andreas Möglich, Nediljko Budisa
Marine mussels exhibit potent underwater adhesion abilities under hostile conditions employing 3,4-dihydroxy-phenylalanine (Dopa)-rich mussel-adhesive proteins (MAPs). However, their recombinant production is a major biotechnological challenge. Here, we have developed a novel strategy based on genetic code expansion by engineering efficient aminoacyl-tRNA synthetases (aaRSs) for the photocaged non-canonical amino acid (ncAA) ortho-nitrobenzyl Dopa (ONB-Dopa). The engineered ONB-DopaRS enables in vivo production of MAP type 5 site-specifically equipped with multiple instances of ONB-Dopa yielding spatiotemporally controlled underwater adhesives...
June 26, 2017: Chembiochem: a European Journal of Chemical Biology
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