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https://www.readbyqxmd.com/read/29923856/comparison-of-mechanical-outputs-between-the-traditional-and-ballistic-bench-press-role-of-the-type-of-variable
#1
Francisco L Pestaña-Melero, Slobodan Jaric, Alejandro Pérez-Castilla, Francisco J Rojas, Amador García-Ramos
Pestaña-Melero, FL, Jaric, S, Pérez-Castilla, A, Rojas, FJ, and García-Ramos A. Comparison of mechanical outputs between the traditional and ballistic bench press: role of the type of variable. J Strength Cond Res XX(X): 000-000, 2018-This study aimed to comprehensively explore the differences in mechanical outputs between the bench press (BP) and the bench press throw (BPT) exercises performed by 21 men (age: 22.0 ± 4.2 years, body mass: 73.4 ± 7.7 kg, height: 177.2 ± 8.0 cm, and concentric-only [C-O] BP 1 repetition maximum: 81...
June 19, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29922385/shaq-is-not-alone-free-throws-in-the-final-moments-of-a-basketball-game
#2
Miguel-Ángel Gómez, Simcha Avugos, Miguel-Ángel Oñoro, Alberto Lorenzo, Michael Bar-Eli
It has been previously observed that basketball free-throw (FT) shooting efficiency decreases towards the end of the game. The aim of the current study was to explore possible determinants for this distinctive pattern during close games (point differential of equal or under 2 points during the final minute of the game). A sample of shots attempted by 92 players in the Spanish professional basketball league (ACB) was collected. Several personal (age, experience, playing position and career FT percentage) and contextual (team ability, competition stage, game location, seconds remaining and score differential) variables were considered for the analysis of the data...
June 2018: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29921827/differential-expression-and-pathway-analysis-in-drug-resistant-triple-negative-breast-cancer-cell-lines-using-rnaseq-analysis
#3
Safa Shaheen, Febin Fawaz, Shaheen Shah, Dietrich Büsselberg
Triple-negative breast cancer (TNBC) is among the most notorious types of breast cancer, the treatment of which does not give consistent results due to the absence of the three receptors (estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2) as well as high amount of molecular variability. Drug resistance also contributes to treatment unresponsiveness. We studied differentially expressed genes, their biological roles, as well as pathways from RNA-Seq datasets of two different TNBC drug-resistant cell lines of Basal B subtype SUM159 and MDA-MB-231 treated with drugs JQ1 and Dexamethasone, respectively, to elucidate the mechanism of drug resistance...
June 19, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29912079/impact-of-physical-performance-and-anthropometric-characteristics-on-serve-velocity-in-elite-junior-tennis-players
#4
Janina Fett, Alexander Ulbricht, Alexander Ferrauti
Fett, J, Ulbricht, A, and Ferrauti, A. Impact of physical performance and anthropometric characteristics on serve velocity in elite junior tennis players. J Strength Cond Res XX(X): 000-000, 2018-This study aimed to investigate the impact of physical performance components and anthropometric characteristics on serve velocity (SV) in elite junior tennis players depending on the sex and age group. A sample of the best 1,019 (male = 625, female = 394) junior squad tennis players of the German Tennis Federation participated in the study involving complex anthropometric measurements (body height, body mass, sitting height, and arm span) and physical tests (e...
June 14, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29912077/improved-functional-power-over-a-5-week-period-comparison-of-combined-weight-training-to-flexible-barbell-training
#5
Anthony Caterisano, Randolph Hutchison, Clarence Parker, Scott James, Stephen Opskar
Caterisano, A, Hutchison, R, Parker, C, James, S, and Opskar, S. Improved functional power over a 5-week period: Comparison of combined weight training with flexible barbell training. J Strength Cond Res XX(X): 000-000, 2018-Previous studies demonstrated increased power development with various resistance-training modes over short training periods of 4-7 weeks through neuromuscular adaptations. The purpose of this study was to compare 2 different power-training regimens over a 5-week period: combined weight training program (CT) using speed-lifts and plyometrics vs...
June 14, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29911472/disguise-and-deception-of-action-outcomes-through-sports-garment-design-impair-anticipation-judgments
#6
Nicholas J Smeeton, Matyas Varga, Joe Causer, A Mark Williams
The ability to disguise and deceive action outcomes was examined by manipulating sports garments. In Experiment 1, those with higher and lower skill levels in anticipation predicted the throw direction of an opponent who wore a garment designed to disguise kinetic-chain information. Higher skill anticipators were more adversely affected by the disguise garment than the lower skill anticipators, demonstrating that disguise removed the anticipation advantage. In Experiment 2, using the same occlusion methodology, the effect of deception was examined using 2 garments designed to create visual illusions of motion across the proximal-to-distal sequence of the thrower's action and compared with a white-garment control...
June 17, 2018: Journal of Sport & Exercise Psychology
https://www.readbyqxmd.com/read/29910421/efficacy-of-carbohydrate-ingestion-on-crossfit-exercise-performance
#7
Jaden A Rountree, Ben M Krings, Timothy J Peterson, Adam G Thigpen, Matthew J McAllister, Megan E Holmes, JohnEric W Smith
The efficacy of carbohydrate (CHO) ingestion during high-intensity strength and conditioning type exercise has yield mixed results. However, little is known about shorter duration high-intensity exercise such as CrossFit. The purpose of this study was to investigate the performance impact of CHO ingestion during high-intensity exercise sessions lasting approximately 30 min. Eight healthy males participated in a total of four trials; two familiarizations, a CHO trial, and a similarly flavored, non-caloric placebo (PLA) trial...
August 14, 2017: Sports
https://www.readbyqxmd.com/read/29910351/anthropometric-and-physical-performance-of-youth-handball-players-the-role-of-the-relative-age
#8
Alba Camacho-Cardenosa, Marta Camacho-Cardenosa, Adrián González-Custodio, Ismael Martínez-Guardado, Rafael Timón, Guillermo Olcina, Javier Brazo-Sayavera
BACKGROUND: The relative age effect is essential throughout all of the talent selection processes in sports, especially during adolescence, which leaves fewer athletes within each cohort that are born late in the selected year. The aim of the present study was to examine the role of relative age in anthropometric and physical performance characteristics of youth handball players by gender. METHODS: The sample that was selected included 47 participants (male n = 23, female n = 24)...
May 23, 2018: Sports
https://www.readbyqxmd.com/read/29893184/relationship-between-accuracy-and-complexity-when-learning-underarm-precision-throwing
#9
Maria Stella Valle, Luciano Lombardo, Matteo Cioni, Antonino Casabona
Learning precision ball throwing was mostly studied to explore the early rapid improvement of accuracy, with poor attention on possible adaptive processes occurring later when the rate of improvement is reduced. Here, we tried to demonstrate that the strategy to select angle, speed and height at ball release can be managed during the learning periods following the performance stabilization. To this aim, we used a multivariate linear model with angle, speed and height as predictors of changes in accuracy. Participants performed underarm throws of a tennis ball to hit a target on the floor, 3...
June 12, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29890502/can-grip-strength-be-used-as-a-surrogate-marker-to-monitor-recovery-from-shoulder-fatigue
#10
David Hawkes, Michael Grant, Jessica McMahon, Ian Horsley, Omid Khaiyat
Muscular fatigue impacts on normal shoulder function, which is particularly pertinent to throwing athletes. This study aimed to investigate the relationship between grip strength and shoulder muscle fatigue to evaluate the role of grip strength as a surrogate measure for upper limb performance. Twenty healthy participants were recruited. EMG was recorded from 15 shoulder muscles during different fatiguing contractions: an initial baseline recording (Fat-Baseline); after a shoulder exhausting exercise regime (Fat-Exhaustion); and after a 10 min rest period (Fat-Recovery)...
June 6, 2018: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/29889774/strength-determinants-of-jump-height-in-the-jump-throw-movement-in-women-handball-players
#11
David McGhie, Sindre Østerås, Gertjan Ettema, Gøran Paulsen, Øyvind Sandbakk
McGhie, D, Østerås, S, Ettema, G, Paulsen, G, and Sandbakk, Ø. Strength determinants of jump height in the jump throw movement in women handball players. J Strength Cond Res XX(X): 000-000, 2018-The purpose of the study was to improve the understanding of the strength demands of a handball-specific jump through examining the associations between jump height in a jump throw jump (JTJ) and measures of lower-body maximum strength and impulse in handball players. For comparison, whether the associations between jump height and strength differed between the JTJ and the customarily used countermovement jump (CMJ) was also examined...
June 8, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29889055/efficacy-of-complex-training-on-angular-velocity-of-shoulder-in-collegiate-basketball-players
#12
Nezam Hasan, Shibili Nuhmani, Shaji J Kachanathu, Qassim I Muaidi
BACKGROUND: Shoulder internal rotation angular velocity at the time of ball release is a crucial factor deciding the ball velocity in throwing. Even though there are some studies conducted regarding the effectiveness of complex training on the lower limb, the researchers has not given much attention to the upper limb. OBJECTIVE: To investigate the efficacy of a complex training program combining plyometric and weight training on the angular velocity of shoulder with a program composed of only plyometric training or only weight training...
May 25, 2018: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29882722/effect-of-a-6-week-weighted-baseball-throwing-program-on-pitch-velocity-pitching-arm-biomechanics-passive-range-of-motion-and-injury-rates
#13
Michael M Reinold, Leonard C Macrina, Glenn S Fleisig, Kyle Aune, James R Andrews
BACKGROUND: Emphasis on enhancing baseball pitch velocity has become popular, especially through weighted-ball throwing. However, little is known about the physical effects or safety of these programs. The purpose of this study was to examine the effects of training with weighted baseballs on pitch velocity, passive range of motion (PROM), muscle strength, elbow torque, and injury rates. HYPOTHESIS: A 6-week weighted ball training program would result in a change in pitching biomechanical and physical characteristics...
June 1, 2018: Sports Health
https://www.readbyqxmd.com/read/29881962/transcriptome-analysis-provides-insights-into-the-immunity-function-of-venom-glands-in-pardosa-pseudoannulata-in-responses-to-cadmium-toxicity
#14
Huilin Yang, Yuande Peng, Yixue Shi, Jianxiang Tian, Juan Wang, Qisheng Song, Zhiyue Lv, Chunliang Xie, Zhi Wang
Due to some similarity of innate immunity between insects and mammals, the study of the molecular mechanism of innate immunity in insects has become a focus of research. However, the exact molecular and cellular basis of immune system in insect remains poorly understood. Characterization of the transcriptomic response to Cd of spider is an effective approach to understanding the innate immunity mechanisms. In this study, we carried out transcriptome sequencing and gene expression analyses to develop molecular resources for Pardosa pseudoannulata venom glands with and without Cd treatments...
June 7, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29877138/quiet-eye-and-motor-performance-the-longer-the-better
#15
André Klostermann, Ralf Kredel, Ernst-Joachim Hossner
The quiet-eye (QE) phenomenon has been found to predict subsequent motor performance. However, it remains unclear whether this effect also holds for considerably extended QE durations. Therefore, in 2 ball-throwing studies, QE durations of 400-3,200 ms were experimentally induced. Inferior performance was found in short QE-duration conditions; however, there was no difference between the long QE-duration conditions. Extrapolations beyond the observed QE values showed performance gains up to 2,000 ms and a shallow interval of optimality at a QE duration of about 3,000 ms...
June 7, 2018: Journal of Sport & Exercise Psychology
https://www.readbyqxmd.com/read/29877101/single-pass-four-throw-pupilloplasty-for-secondary-angle-closure-glaucoma-associated-with-silicon-oil-tamponade
#16
Priya Narang, Ashar Agarwal, Amar Agarwal
PURPOSE: To describe the feasibility and efficacy of performing single-pass four-throw pupilloplasty for secondary angle-closure glaucoma post silicon oil tamponade. METHODS: The procedure was performed in five eyes of five patients. All the cases underwent silicon oil removal with single-pass four-throw pupilloplasty. Single-pass four-throw procedure involves a single pass of needle through the iris tissue that is to be apposed followed by taking four throws by passing the suture end through the loop that is withdrawn from the anterior chamber as in a modified Siepser's slip-knot technique...
June 1, 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/29869946/kinematic-analysis-of-the-shot-put-a-method-of-assessing-the-mechanical-work-of-the-hand-action-force
#17
Mounir Landolsi, Lazhar Labiadh, Fayçal Zarrouk, Khaled Maaref, Slaheddine Ghannouchi, Zouhair Tabka, Patrick Lacouture
The aims of this study were to (1) propose a method for evaluating shot-putters mechanical power, (2) investigate the relationship between mechanical work of hand action force (WHAF ), peak power output (PPO) of different limbs and shot-put performance and (3) show which of these two parameters (WHAF , PPO) were the most appropriate to characterize the explosive abilities of the shot-putter. Twelve junior right-handed shot-putters, practised glide technique shot-put throwers (personal best = 13.57  ±  1...
June 5, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29865102/ergonomics-and-the-standing-desk
#18
Allison Mula
There has been a recent trend in the integration of sit-stand option desks in the work place. Fear-based advertising insinuating that sitting is the health equivalent of smoking has pervaded many work environments. As workers want to remain healthy and pain free, and employers want and need a healthy workforce, it appears that there is a pervasive trend of avoiding sitting as often as possible. Because work tasks that call for an extensive amount of sitting are often times computer-based, this 'standing is healthy' fad is most notably presenting itself at computer-based work stations...
May 28, 2018: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/29863590/influence-of-maximal-strength-on-in-water-and-dry-land-performance-in-young-water-polo-players
#19
Michael Keiner, Holger Rähse, Klaus Wirth, Hagen Hartmann, Katharina Fries, G Gregory Haff
Keiner, M, Rähse, H, Wirth, K, Hartmann, H, Fries, K, and Haff, GG. Influence of maximal strength on in-water and dry-land performance in young water polo players. J Strength Cond Res XX(X): 000-000, 2018-Water polo is a multifaceted sport that is characterized by explosive actions, including sprint swimming, jumping, throwing, and struggling against opponents. Based on these factors, maximal and speed strength may be important characteristics to develop in-water polo players. However, more research is needed to further understand the relationship between various strength characteristics and water polo performance...
May 30, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29861301/how-many-innings-can-we-throw-does-workload-influence-injury-risk-in-major-league-baseball-an-analysis-of-professional-starting-pitchers-between-2010-and-2015
#20
Brian M Saltzman, Benjamin C Mayo, John D Higgins, Anirudh K Gowd, Brandon C Cabarcas, Timothy S Leroux, Bryce A Basques, Gregory P Nicholson, Charles A Bush-Joseph, Anthony A Romeo, Nikhil N Verma
BACKGROUND: There has been increasing interest regarding the association between pitch counts, as well as total workload per season, and the risk of injury among Major League Baseball (MLB) starting pitchers. METHODS: We used publicly available databases to identify all MLB starting pitchers eligible for play who made at least 5 starts in seasons between 2010 and 2015. For all included pitchers, annual pitching statistics (number of starts, total season pitch counts, total season inning counts, and average pitch count per game started) and annual disabled list (DL) information (time on DL for any reason and time on DL related to upper extremity, lower extremity, or axial body injury) were collected...
May 31, 2018: Journal of Shoulder and Elbow Surgery
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