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Research in Sports Medicine

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https://www.readbyqxmd.com/read/27934546/sodium-bicarbonate-ingestion-and-individual-variability-in-time-to-peak-ph
#1
Andy Sparks, Emily Williams, Amy Robinson, Peter Miller, David J Bentley, Craig Bridge, Lars R Mc Naughton
This study determined variability in time-to-peak pH after consumption of 300 mg kg(-)(1) of sodium bicarbonate. Seventeen participants (mean ± SD: age 21.38 ± 1.5 years; mass 75.8 ± 5.8 kg; height 176.8 ± 7.6 cm) reported to the laboratory where a resting capillary sample was taken. Then, 300 mg kg(-1) of NaHCO3 in 450 ml of flavoured water was ingested. Participants rested for 90 min and repeated blood samples were procured at 10 min intervals for 60 min and then every 5 min until 90 min...
January 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/27912252/impact-of-stretching-on-the-performance-and-injury-risk-of-long-distance-runners
#2
Claire Baxter, Lars R Mc Naughton, Andy Sparks, Lynda Norton, David Bentley
Stretching, either prior to exercise or at the end, or both, is typically carried out by all individuals undertaking sporting activity whether they be elite or recreational athletes. The many forms of stretching available to the athlete, either passive or active, have long been thought to improve performance, decrease injury and generally be advantageous to the athlete. This review examines the current state of the literature and evaluates what athletes can and should do with respect to this controversial topic...
January 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/27885859/effect-of-8%C3%A2-months-of-whole-body-vibration-training-on-quality-of-life-in-elderly-women
#3
Fernanda Santin-Medeiros, Alejandro Santos-Lozano, Carlos Cristi-Montero, Nuria Garatachea Vallejo
Whole-body vibration (WBV) training in elderly may improve muscle strength, muscle power and postural control. However, knowledge about the effect of WBV training in elderly on measures of health as a multidimensional construct (health-related quality of life, HRQoL) is scarce. The present study aimed to determine the effects of WBV training on HRQoL in elderly women. A total of 37 women (aged 82.4 ± 5.7 years) were recruited and were assigned to either the WBV group or to the control (CON) group. After 8 months of training, the WBV group showed non-significant changes on HRQoL and additional health-related outcomes (fall risk, life satisfaction or cognitive status)...
January 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/27882777/real-time-visual-activity-feedback-for-physical-activity-improvement-in-breast-and-colon-cancer-patients
#4
Lars Gabrys, Stefan Sperzel, Marcus Bernhoerster, Winfried Banzer, Lutz Vogt
The study aims to evaluate the effects and feasibility of a biofeedback device for physical activity (PA) improvement in breast and colon cancer patients. Daily PA of 19 cancer patients was measured by accelerometry (ActiGraph, GT1 M). Additionally, patients wore a motion sensor with real-time visual activity feedback (ActiSmile). Counts per minutes (cpm) and moderate to vigorous physical activity (MVPA) were calculated and patients' activity data were compared to PA of 20 age-matched healthy controls. Baseline PA of patients was lower compared to controls...
January 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/27873542/a-6-year-surveillance-study-of-stingers-in-ncaa-american-football
#5
James Green, Scott L Zuckerman, Sara L Dalton, Aristarque Djoko, Dustin Folger, Zachary Y Kerr
This study describes the epidemiology of "stinger" injuries in National Collegiate Athletic Association (NCAA) Men's Football. About 57 NCAA Men's Football programmes provided 153 team-seasons of injury data to the NCAA Injury Surveillance Programme (NCAA-ISP) during the 2009/2010-2014/2015 academic years. In the study period, 229 "stingers" were reported for an injury rate of 2.04/10,000 athlete-exposures (AE). Most "stingers" were reported during competitions (55.5%) and the preseason (80.3%) and resulted in time loss less than 24 hours (63...
January 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/27868433/performance-trends-in-3000-m-open-water-age-group-swimmers-from-25-to-89-years-competing-in-the-fina-world-championships-from-1992-to-2014
#6
Beat Knechtle, Pantelis T Nikolaidis, Thomas Rosemann, Christoph A Rüst
We investigated trends in participation, performance and sex difference in performance in 3000 m freestyle in age groups swimmers (25-29 to 85-89 years) competing in the Fédération Internationale de Natation World Masters Championships between 1992 and 2014. During this period, participation increased in women and men. Women and men improved race times across years in all age groups. Women were slower in age groups 25-29 to 70-74 years. In age groups 75-79 and 85-89 years, however, race times were similar for both women and men...
January 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/27868432/a-criterion-referenced-assessment-is-needed-for-measuring-child-obesity
#7
Elise C Brown, J Lon Kilgore, Duncan S Buchan, Julien S Baker
Body Mass Index (BMI), as an adiposity indicator, assumes that for any given height a change in weight is attributed to a change in fat. This seems problematic in growing youth as great divergence is evident in bone, muscle, and adipose tissue development. Secondly, use of reference populations in categorizing children based on BMI, frequently use arbitrary percentile cut-offs for obesity and do not meet all of the assumptions that cut-offs imply. Lastly, BMI does not control for maturation status. Criterion-referenced assessments of child obesity that account for abdominal adiposity and permit international comparisons, such as waist-to-height ratio (WtHR), must be considered...
January 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/27868427/influence-of-shoe-midsole-hardness-on-plantar-pressure-distribution-in-four-basketball-related-movements
#8
Wing-Kai Lam, Wei Xuan Ng, Pui Wah Kong
This study examined how shoe midsole hardness influenced plantar pressure in basketball-related movements. Twenty male university basketball players wore customized shoes with hard and soft midsoles (60 and 50 Shore C) to perform four movements: running, maximal forward sprinting, maximal 45° cutting and lay-up. Plantar loading was recorded using an in-shoe pressure measuring system, with peak pressure (PP) and pressure time integral (PTI) extracted from 10 plantar regions. Compared with hard shoes, subjects exhibited lower PP in one or more plantar regions when wearing the soft shoes across all tested movements (Ps < 0...
January 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/27868426/effects-of-regular-tai-chi-practice-and-jogging-on-neuromuscular-reaction-during-lateral-postural-control-in-older-people
#9
Shao-Jun Wang, Dong-Qing Xu, Jing-Xian Li
This study examined the effects of regular Tai Chi practice and jogging on the neuromuscular activity of the trunk, hip, and ankle joint muscles of older people during lateral postural perturbation. A total of 42 older people participated in the study and formed the Tai Chi, jogging, and sedentary control groups. Electromyography signals were collected from the peroneus longus, anterior tibialis, gluteus medius, and erector spinae during unpredictable mediolateral perturbation. The Tai Chi group exhibited significantly faster latencies of the tibialis anterior and erector spinae than the control group...
January 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/27855498/mitochondria-targeted-nutraceuticals-in-sports-medicine-a-new-perspective
#10
Sergej M Ostojic
Since mitochondria have been recognized as the cells' key organelles involved in the energy utilization during exercise, targeting the organelle with specifically designed compounds (mitochondria-targeted nutraceuticals, MTNs) may have a great promise in the prevention and treatment of heavy exercise-related mitochondrial dysfunction. In vitro studies suggested that MTNs have antioxidant effects at the molecular level, and might boost mitochondrial biogenesis and organelle bioenergetics, with both processes are known to positively affect exercise performance and recovery...
January 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/27855493/muscle-damaging-exercise-48%C3%A2-h-prior-to-a-maximal-incremental-exercise-treadmill-test-reduces-time-to-exhaustion-is-it-time-to-reconsider-our-pretest-procedures
#11
Bryna Catherine Rose Chrismas, Lee Taylor, Jason Charles Siegler, Adrian Wayne Midgley
Pretest guidelines typically stipulate that no exercise should be performed 48 h prior to a maximal incremental exercise [Formula: see text] test. However, no study has specifically investigated if this timescale alters key outcome variables associated with [Formula: see text]. Twenty apparently healthy males split into two equal groups performed [Formula: see text] during three visits (visits 1 - [Formula: see text]EXP1, 2 - [Formula: see text]EXP2 and 4 - [Formula: see text]EXP3). The experimental group only, performed muscle-damaging exercise during visit 3...
January 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/27855489/acute-effects-of-kinesio-taping-on-a-6-s-maximal-cycling-sprint-performance
#12
Athos Trecroci, Damiano Formenti, Alessio Rossi, Fabio Esposito, Giampietro Alberti
Based on the hypothesis that tactile stimulation affects muscle activation levels, we theorized that taping vastus medialis and vastus lateralis muscles would improve a 6 s sprint cycling performance. Thus, the aim of this study was to determine whether the use of kinesio taping (KT) was helpful in increasing maximal-intensity cycling exercise. Sixteen active healthy subjects were enrolled in a randomized placebo, repeated measures design. All subjects were tested on a cycle ergometer under three conditions: without taping, taping along anterior thigh muscles and sham taping across the same muscle groups...
January 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/27788601/31st-olympic-games-training-performance-and-injury-in-football-soccer
#13
Youlian Hong
No abstract text is available yet for this article.
October 2016: Research in Sports Medicine
https://www.readbyqxmd.com/read/27788600/editorial-board-2016-volume-24
#14
(no author information available yet)
No abstract text is available yet for this article.
October 2016: Research in Sports Medicine
https://www.readbyqxmd.com/read/27788599/validation-and-calibration-of-headcount-a-self-report-measure-for-quantifying-heading-exposure-in-soccer-players
#15
E Catenaccio, J Caccese, N Wakschlag, R Fleysher, N Kim, M Kim, T A Buckley, W F Stewart, R B Lipton, T Kaminski, M L Lipton
The long-term effects of repetitive head impacts due to heading are an area of increasing concern, and exposure must be accurately measured; however, the validity of self-report of cumulative soccer heading is not known. In order to validate HeadCount, a 2-week recall questionnaire, the number of player-reported headers was compared to the number of headers observed by trained raters for a men's and a women's collegiate soccer teams during an entire season of competitive play using Spearman's correlations and intraclass correlation coefficients (ICCs), and calibrated using a generalized estimating equation...
October 2016: Research in Sports Medicine
https://www.readbyqxmd.com/read/27712094/relationship-between-daily-training-load-and-psychometric-status-of-professional-soccer-players
#16
Wassim Moalla, Mohamed Saifeddin Fessi, Fayçal Farhat, Sabeur Nouira, Del P Wong, Grégory Dupont
We studied the relationship between daily training load (TL) experienced by professional soccer players and the Hooper questionnaire reflecting their perceived quality of sleep, fatigue, stress and delayed onset muscle soreness. During a 16-week training period, the rating of perceived exertion and duration were collected after each training session, and daily TL was calculated from 14 professional soccer players. The Hooper questionnaire was completed every day before the first training session and the Hooper's score (HS) was then calculated...
October 2016: Research in Sports Medicine
https://www.readbyqxmd.com/read/27683952/epidemiology-of-football-soccer-injuries-in-the-2012-2013-and-2013-2014-seasons-of-the-italian-serie-a
#17
Lavinia Falese, Pietro Della Valle, Bruno Federico
Epidemiological studies on football (soccer) injuries are needed to assess both the magnitude of the problem and the effectiveness of preventive programmes. However, few data are available for Italy, which hosts one of the main football leagues in Europe. In this study, we aimed to describe the epidemiology of football injuries in the 2012/2013 and 2013/2014 seasons of the Italian Serie A. Information about injury location, type, date of occurrence and duration of absence was obtained from www.football-lineups...
October 2016: Research in Sports Medicine
https://www.readbyqxmd.com/read/27598519/reducing-purposeful-headers-from-goal-kicks-and-punts-may-reduce-cumulative-exposure-to-head-acceleration
#18
Jaclyn B Caccese, Lindsey C Lamond, Thomas A Buckley, Thomas W Kaminski
The purpose of this study was to measure peak linear and rotational head acceleration in women's collegiate soccer and explore the variations in acceleration across different strategic scenarios. Game videos from 14 games were used to identify the strategic scenario in which the athlete headed the ball. Strategic scenarios included: bounce, secondary header, punt, throw-in, goal kick, corner kick, and kick. Peak linear and rotational accelerations were measured using the Smart Impact Monitor (Triax Technologies Inc...
October 2016: Research in Sports Medicine
https://www.readbyqxmd.com/read/27593436/agility-profile-in-sub-elite-under-11-soccer-players-is-saq-training-adequate-to-improve-sprint-change-of-direction-speed-and-reactive-agility-performance
#19
Athos Trecroci, Zoran Milanović, Alessio Rossi, Marco Broggi, Damiano Formenti, Giampietro Alberti
The purpose of this study was to examine the effects of speed, agility and quickness (SAQ) training on acceleration (5 and 20 m), change of direction speed (CODS) and reactive agility in preadolescent soccer players. Thirty-five participants (age = 10.57 ± 0.26, body mass = 36.78 ± 5.34 kg, body height = 1.42 ± 0.05 m), randomly assigned to experimental (EG, n = 20) and control groups (CG, n = 15), completed a 12-week training intervention, 2 day/week. A significant interaction was found in 5-m sprint (P < 0...
October 2016: Research in Sports Medicine
https://www.readbyqxmd.com/read/27574867/changes-of-the-psychophysical-state-and-feeling-of-wellness-of-professional-soccer-players-during-pre-season-and-in-season-periods
#20
Mohamed Saifeddin Fessi, Sabeur Nouira, Alexandre Dellal, Adam Owen, Mohamed Elloumi, Wassim Moalla
Perceived changes due to training monotony, strain, sleep, stress, fatigue, muscle soreness and the influence of specific training sessions on the affective valence were explored in professional soccer players. Seventeen players completed the Hooper questionnaire, the ratings of perceived exertion and feeling scale (FS) every training/match day before and during the soccer season. Higher players' training loads were recorded during pre-season when compared with in-season period (2558.1 ± 262.4 vs. 1642.8 ± 169...
October 2016: Research in Sports Medicine
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