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https://www.readbyqxmd.com/read/29679206/injury-prevention-and-return-to-play-strategies-in-elite-football-no-consent-between-players-and-team-coaches
#1
Oliver Loose, Leonard Achenbach, Birgit Fellner, Jennifer Lehmann, Petra Jansen, Michael Nerlich, Peter Angele, Werner Krutsch
INTRODUCTION: Injuries are a common problem in football. To improve prevention strategies, the players' (p) and coaches' (c) views need to be disclosed as they have a strong impact on return to play decisions. The aim of this study is to reveal current opinions with regard to injury prevention and return to play strategies to introduce new strategies in elite football. MATERIALS AND METHODS: In a retrospective data analysis of elite salaried football players (n = 486) and team coaches (n = 88), a detailed investigation by means of a standardized questionnaire was carried out...
April 20, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29672579/is-the-message-getting-through-awareness-and-use-of-the-11-injury-prevention-programme-in-amateur-level-football-clubs
#2
Jan Wilke, Daniel Niederer, Lutz Vogt, Winfried Banzer
A large body of evidence suggests that the 11+ warm-up programme is effective in preventing football-related musculoskeletal injuries. However, despite considerable efforts to promote and disseminate the programme, it is unclear as to whether team head coaches are familiar with the 11+ and how they rate its feasibility. The present study aimed to gather information on awareness and usage among German amateur level football coaches. A questionnaire was administered to 7893 individuals who were in charge of youth and adult non-professional teams...
2018: PloS One
https://www.readbyqxmd.com/read/29662911/unaccounted-workload-factor-game-day-pitch-counts-in-high-school-baseball-pitchers-an-observational-study
#3
Jason L Zaremski, Giorgio Zeppieri, Deborah L Jones, Brady L Tripp, Michelle Bruner, Heather K Vincent, MaryBeth Horodyski
Background: Throwing injuries are common in high school baseball. Known risk factors include excessive pitch counts, year-round pitching, and pitching with arm pain and fatigue. Despite the evidence, the prevalence of pitching injuries among high school players has not decreased. One possibility to explain this pattern is that players accumulate unaccounted pitch volume during warm-up and bullpen activity, but this has not yet been examined. Hypotheses: Our primary hypothesis was that approximately 30% to 40% of pitches thrown off a mound by high school pitchers during a game-day outing are unaccounted for in current data but will be revealed when bullpen sessions and warm-up pitches are included...
April 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29651953/comparison-between-supervised-and-partly-supervised-cardiac-rehabilitation-protocols-in-hypertensive-patients-a-randomized-controlled-trial
#4
Larissa Barreto Parreira, Priscila Valverde de Oliveira Vitorino, Paulo Cesar Brandao Veiga Jardim, Ana Luiza Lima Sousa, Thiago Veiga Jardim, Watila de Moura Sousa, Alberto Fenrando Oliveira Justo, Weimar Kunz Sebba Barroso
BACKGROUND: Hypertension (HTN) is the main cause of cardiovascular diseases accounting for one third of global mortality. Physical exercise reduces the incidence and prevalence of HTN and cardiovascular morbidity and mortality. Exercises recommended for hypertensive patients include supervised cardiac rehabilitation, which occurs in rehabilitation centers, and partly supervised rehabilitation, with individual prescription of exercises conducted at patients' residences. OBJECTIVE: Compare clinical and functional parameters of hypertensive patients subjected to two cardiac rehabilitation protocols: supervised and partly supervised...
April 13, 2018: Current Hypertension Reviews
https://www.readbyqxmd.com/read/29650336/acute-physiological-responses-to-low-intensity-blood-flow-restriction-cycling
#5
H J Thomas, B R Scott, J J Peiffer
OBJECTIVES: Blood flow restriction (BFR) during interval cycling may stimulate aerobic and anaerobic adaptations. However, acute physiological responses to BFR interval cycling have not been extensively investigated. DESIGN: Eighteen males completed low-intensity (LI), low-intensity with BFR (LIBFR ) and high-intensity (HI) interval cycling sessions in randomised and counterbalanced order. These included a standardised warm-up and three two-min intervals interspersed with two-min recovery...
April 9, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29621115/acute-effect-of-foam-rolling-and-dynamic-stretching-on-flexibility-and-jump-height
#6
Jason C Smith, Brooke Pridgeon, MacGregor C Hall
Smith, JC, Pridgeon, B, and Hall, MC. Acute effect of foam rolling and dynamic stretching on flexibility and jump height. J Strength Cond Res XX(X): 000-000, 2017-Dynamic stretching (DS) can acutely improve vertical jump (VJ) performance but its effect lasts no more than 5 minutes. Foam rolling (FR), a form of self-myofascial release, can acutely increase range of motion (ROM) with this effect lasting less than 10 minutes. Therefore, the purpose of this study was to evaluate the time course of these effects, separately and combined, on VJ height and ROM...
April 4, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29619793/effect-of-post-warm-up-resting-interval-on-static-and-dynamic-balance-and-maximal-muscle-strength-followed-by-the-fifa-11-and-dynamic-warm-up-exercises
#7
Yung-Sheng Chen, Wai-Lin Lai, Chein-Wen Hou, Che-Hsiu Chen, Yi-Wen Chiu, Pedro Bezzera
BACKGROUND: It has been reported that implementation of the FIFA11+ can immediately increase exercise performance. However, the elapsed time of post-warm up (WU) effect of the FIFA 11+ is unclear. METHODS: Twenty-two male university football players were randomly assigned into the FIFA 11+ (n =10) or control group (conventional dynamic WU exercise, n = 11). The participants performed static, drop jump, and maximal voluntary muscle contraction (MVC) tests before and after the WU protocol in four different occasions with 0, 10, 20 or 30 min resting interval...
April 4, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29611045/sages-mini-med-school-inspiring-high-school-students-through-exposure-to-the-field-of-surgery
#8
James C Rosser, Timothy B Legare, Charles Jacobs, Katherine M Choi, Jeffrey P Fleming, Jamie Nakagiri
OBJECTIVE: The SAGES Mini Med School (SMMS) was designed to expose high school students to the field of surgery through mentoring, knowledge transfer, and hands-on experience with simulation. The objective of this paper is to profile the evolutionary development, performance metrics, and satisfaction queries of this innovative effort. METHODS: Sixty-one high school students, grades 9-12, took part in the (SMMS) program during the 2015 SAGES Annual Congress. The students completed a surgical skills lab session where they attempted tasks associated with the development of open surgical and laparoscopic skills...
April 2, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29608593/heart-rate-dynamics-during-cardio-pulmonary-exercise-testing-are-associated-with-glycemic-control-in-individuals-with-type-1-diabetes
#9
Othmar Moser, Max L Eckstein, Olivia McCarthy, Rachel Deere, Stephen C Bain, Hanne L Haahr, Eric Zijlstra, Tim Heise, Richard M Bracken
INTRODUCTION: This study investigated the degree and direction (kHR) of the heart rate to performance curve (HRPC) during cardio-pulmonary exercise (CPX) testing and explored the relationship with diabetes markers, anthropometry and exercise physiological markers in type 1 diabetes (T1DM). MATERIAL AND METHODS: Sixty-four people with T1DM (13 females; age: 34 ± 8 years; HbA1c: 7.8 ± 1% (62 ± 13 mmol.mol-1) performed a CPX test until maximum exhaustion. kHR was calculated by a second-degree polynomial representation between post-warm up and maximum power output...
2018: PloS One
https://www.readbyqxmd.com/read/29607529/transplantation-of-cold-stored-porcine-kidneys-after-controlled-oxygenated-rewarming
#10
Anja Gallinat, Jing Lu, Charlotte von Horn, Moritz Kaths, Marc Ingenwerth, Andreas Paul, Thomas Minor
The concept of "controlled oxygenated rewarming" (COR) using ex vivo machine perfusion after cold storage was evaluated as tool to improve renal graft function after transplantation. Renal function after 20 min warm ischemia and 21 h cold storage was studied in an auto-transplant model in pigs (25-30 kg, n = 6 per group). In the study group, preimplant ex vivo machine perfusion for 90 min was added after cold storage, including gentle warming up of the graft to 20°C (COR). Kidneys that were only cold stored for 21 h served as controls...
April 1, 2018: Artificial Organs
https://www.readbyqxmd.com/read/29607003/patients-with-type-2-diabetes-demonstrate-proprioceptive-deficit-in-the-knee
#11
Lucas Richard Ettinger, Ami Boucher, Elisabeth Simonovich
AIM: To investigate proprioceptive discrepancies in the lower extremity in persons with type 2 diabetes mellitus (T2DM). METHODS: In this cross-sectional study, a total of 46 older persons were divided into a T2DM group ( n = 23) and a control group who did not have T2DM ( n = 23). Participants were given a brief warm up with stretching exercises. Diabetic neuropathy scores were collected prior to proprioceptive testing. For proprioceptive testing, participants performed leg extensions to randomized target positions of 15°, 30°, 45, 60° degrees of elevation in the sagittal plane, each target was repeated a total of four times...
March 15, 2018: World Journal of Diabetes
https://www.readbyqxmd.com/read/29599871/effects-of-different-post-activation-potentiation-warm-ups-on-repeated-sprint-ability-in-soccer-players-from-different-competitive-levels
#12
Javier Sanchez-Sanchez, Alejandro Rodriguez, Cristina Petisco, Rodrigo Ramirez-Campillo, Cristian Martínez, Fábio Y Nakamura
This study aimed to compare the effects of a traditional warm-up with two post-activation potentiation (PAP) warm-up strategies on the repeated sprint ability (RSA) of soccer players from national (NL) and regional (RL) competitive levels. Sixteen young players (NL, n = 8, age = 20.7 ± 1.4 y, body mass = 68.5 ± 7.0 kg, body height = 177.4 ± 5.2 cm; RL, n = 8, age = 20.8 ± 1.0 y, body mass = 68.7 ± 4.0 kg, body height = 176.6 ± 5.6 cm) were recruited to complete a traditional warm-up (CONTROL), a PAP warm-up incorporating squats with a load (~60% 1RM) that allowed a high speed (1 m/s) of movement and a high number of repetitions (PAP-1), and a PAP warm-up with a load (~90% 1RM) that allowed a moderate speed (0...
March 2018: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29588271/development-of-an-exergame-to-deliver-a-sustained-dose-of-high-intensity-training-formative-pilot-randomized-trial
#13
Thomas McBain, Matthew Weston, Paul Crawshaw, Catherine Haighton, Iain Spears
BACKGROUND: Sport science can play a critical role in reducing health inequalities. The inverse relationship between life expectancy, cardiorespiratory fitness, and socioeconomic status could be addressed by performing high-intensity training (HIT), delivered in a class salient and accessible approach. Commercially available exergames have shown encouraging compliance rates but are primarily designed for entertainment purposes rather than focusing on health-related outcomes. A serious game tailored toward delivering an exercise stimulus, while reducing the aversive protocols associated with HIT, could be beneficial to engage and improve health outcomes in socially deprived males...
March 27, 2018: JMIR Serious Games
https://www.readbyqxmd.com/read/29584462/effects-of-caffeinated-gum-on-a-battery-of-soccer-specific-tests-in-trained-university-standard-male-soccer-players
#14
Mayur K Ranchordas, George King, Mitchell Russell, Anthony Lynn, Mark Russell
The purpose of this study was to determine whether caffeinated gum influenced performance in a battery of soccer-specific tests used in the assessment of performance in soccer players. In a double blind, randomised, cross-over design, ten male university-standard soccer players (age 19 ± 1 y, stature 1.80 ± 0.10 m, body mass 75.5 ± 4.8 kg) masticated a caffeinated (200 mg; caffeine) or control (0 mg; placebo) gum on two separate occasions. After a standardised warm-up, gum was chewed for 5 min and subsequently expectorated 5 min before players performed a maximal countermovement jump, a 20 m sprint test and the Yo-Yo intermittent recovery test level 1 (Yo-YoIR1)...
March 27, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29576084/mechanism-of-freeze-thaw-injury-and-recovery-a-cool-retrospective-and-warming-up-to-new-ideas
#15
REVIEW
Rajeev Arora
Understanding cellular mechanism(s) of freeze-thaw injury (FTI) is key to the efforts for improving plant freeze-tolerance by cultural methods or molecular/genetic approaches. However, not much work has been done in the last 25+ years to advance our understanding of the nature and cellular loci of FTI. Currently, two FTI lesions are predominantly implicated: 1) structural and functional perturbations in plasma membrane; 2) ROS-induced oxidative damage. While both have stood the test of time, many questions remain unresolved and other potentially significant lesions need to be investigated...
May 2018: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/29570574/sequencing-effects-of-plyometric-training-applied-before-or-after-regular-soccer-training-on-measures-of-physical-fitness-in-young-players
#16
Rodrigo Ramirez-Campillo, Cristian Alvarez, Paulo Gentil, Irineu Loturco, Javier Sanchez-Sanchez, Mikel Izquierdo, Jason Moran, Fabio Y Nakamura, Helmi Chaabene, Urs Granacher
To compare the effects of short-term (i.e., 7 week) plyometric training applied before (PJT-B) or after (PJT-A) soccer practice on components of physical fitness in young soccer players, a single-blind randomized controlled trial was conducted. Post-pubertal boys aged 17.0±0.5 years were allocated to three groups: PJT-B (n=12), PJT-A (n=14), and control (CON; n=12). The outcome measures included tests to evaluate 20-m speed, standing long jump [SLJ], squat jump [SJ], countermovement jump [CMJ], and drop jump [DJ], 20-m multistage shuttle running speed [MSSRT], and Illinois change of direction speed [ICODT]...
March 22, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29566344/diurnal-variation-in-repeated-sprint-performance-cannot-be-offset-when-rectal-and-muscle-temperatures-are-at-optimal-levels-38-5%C3%A2-c
#17
Samuel A Pullinger, Juha Oksa, Liam F Clark, Joe W F Guyatt, Antonia Newlove, Jatin G Burniston, Dominic A Doran, James M Waterhouse, Ben J Edwards
The present study investigated whether increasing morning rectal temperatures (Trec ) to evening levels, or increasing morning and evening Trec to an "optimal" level (38.5°C), resulting in increased muscle temperatures (Tm ), would offset diurnal variation in repeated sprint (RS) performance in a causal manner. Twelve trained males underwent five sessions [age (mean ± SD) 21.0 ± 2.3 years, maximal oxygen consumption (V̇O2 max) 60.0 ± 4.4 mL.kg-1  min-1 , height 1.79 ± 0.06 m, body mass 78...
March 22, 2018: Chronobiology International
https://www.readbyqxmd.com/read/29564702/role-of-fuel-additives-on-reduction-of-no-x-emission-from-a-diesel-engine-powered-by-camphor-oil-biofuel
#18
Thiyagarajan Subramanian, Edwin Geo Varuvel, Saravanan Ganapathy, S Vedharaj, R Vallinayagam
The present study intends to explore the effect of the addition of fuel additives with camphor oil (CMO) on the characteristics of a twin-cylinder compression ignition (CI) engine. The lower viscosity and boiling point of CMO when compared to diesel could improve the fuel atomization, evaporation, and air/fuel mixing process. However, the lower cetane index of CMO limits its use as a drop in fuel for diesel in CI engine. In general, NOX emission increases for less viscous and low cetane (LVLC) fuels due to pronounced premixed combustion phase...
March 21, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29558842/effects-of-different-conditioning-activities-on-100-m-dash-performance-in-high-school-track-and-field-athletes
#19
João B Ferreira-Júnior, Ana P M Guttierres, Irismar G A Encarnação, Jorge R P Lima, Diego A Borba, Eduardo D S Freitas, Michael G Bemben, Carlos A Vieira, Martim Bottaro
This study compared the effects of different conditioning activities on the 100-m dash performance of 11 male, high school track and field athletes (mean age = 16.3; SD = 1.2 years). Participants performed a 100-m dash seven minutes after each of four randomized conditioning protocols, with each condition and 100-m dash separated by 3-10 days. The conditioning protocols were (a) control, no conditioning activity; (b) weighted plyometric, three sets of 10 repetitions of alternate leg bounding with additional load of 10% of the body mass; (c) free sprint, two 20-m sprints; and (d) resisted sprint (RS), two 20-m resisted sprints using an elastic tubing tool...
January 1, 2018: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/29558567/operating-list-composition-and-surgical-performance
#20
T W Pike, F Mushtaq, R P Mann, P Chambers, G Hall, J E Tomlinson, R Mir, R M Wilkie, M Mon-Williams, J P A Lodge
BACKGROUND: Recent reviews suggest that the way in which surgeons prepare for a procedure (warm up) can affect performance. Operating lists present a natural experiment to explore this phenomenon. The aim was to use a routinely collected large data set on surgical procedures to understand the relationship between case list order and operative performance. METHOD: Theatre lists involving the 35 procedures performed most frequently by senior surgeons across 38 private hospitals in the UK over 26 months were examined...
March 20, 2018: British Journal of Surgery
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