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https://www.readbyqxmd.com/read/28819691/hypoxia-affects-tissue-oxygenation-differently-in-the-thigh-and-calf-muscles-during-incremental-running
#1
Takuya Osawa, Takuma Arimitsu, Hideyuki Takahashi
PURPOSE: The present study was performed to determine the impact of hypoxia on working muscle oxygenation during incremental running, and to compare tissue oxygenation between the thigh and calf muscles. METHODS: Nine distance runners and triathletes performed incremental running tests to exhaustion under normoxic and hypoxic conditions (fraction of inspired oxygen = 0.15). Peak pulmonary oxygen uptake ([Formula: see text]) and tissue oxygen saturation (StO2) were measured simultaneously in both the vastus lateralis and medial gastrocnemius...
August 17, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28817505/the-effects-of-the-gaa15-on-lower-extremity-injury-incidence-and-neuromuscular-functional-outcomes-in-collegiate-gaelic-games
#2
Brenagh E Schlingermann, Clare A Lodge, Conor Gissane, Paula M Rankin
The purpose of this Observational Analytical Cohort Study was to assess the effectiveness of an injury prevention programme (IPP) - GAA15 (Gaelic Athletic Association 15) - on the incidence of injury in collegiate Gaelic games. 131 Gaelic games players (mean age 20.5 years ± SD 3.0) were used for analysis in this study. Participants completed preseason and postseason testing which involved performance of the Y Balance test. The GAA15 was employed for the intervention group; coaches were instructed to implement the programme before every training session and match throughout the collegiate GAA (Gaelic Athletic Association) season...
July 5, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28806436/effectiveness-of-a-timing-and-coordination-group-exercise-program-to-improve-mobility-in-community-dwelling-older-adults-a-randomized-clinical-trial
#3
Jennifer S Brach, Subashan Perera, Sandra Gilmore, Jessie M VanSwearingen, Deborah Brodine, Neelesh K Nadkarni, Edmund Ricci
Importance: Timing and coordination exercises may be an important addition to community-based health promotion exercise programs to improve walking in older adults. Objective: To compare the effectiveness of the On the Move group exercise program, which focuses on the timing and coordination of movement, with a seated strength, endurance, and flexibility program (usual care) at improving function, disability, and walking ability of older adults. Design, Setting, and Participants: Cluster-randomized, single-blind intervention trial...
August 14, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28806100/including-the-copenhagen-adduction-exercise-in-the-fifa-11-provides-missing-eccentric-hip-adduction-strength-effect-in-male-soccer-players-a-randomized-controlled-trial
#4
Joar Harøy, Kristian Thorborg, Andreas Serner, André Bjørkheim, Linn E Rolstad, Per Hölmich, Roald Bahr, Thor Einar Andersen
BACKGROUND: The FIFA 11+ was developed as a complete warm-up program to prevent injuries in soccer players. Although reduced hip adduction strength is associated with groin injuries, none of the exercises included in the FIFA 11+ seem to specifically target hip adduction strength. PURPOSE: To investigate the effect on eccentric hip adduction strength of the FIFA 11+ warm-up program with or without the Copenhagen adduction exercise. STUDY DESIGN: Randomized controlled trial; Level of evidence, 1...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28806094/the-relationship-of-throwing-arm-mechanics-and-elbow-varus-torque-within-subject-variation-for-professional-baseball-pitchers-across-82-000-throws
#5
Christopher L Camp, Travis G Tubbs, Glenn S Fleisig, Joshua S Dines, David M Dines, David W Altchek, Brittany Dowling
BACKGROUND: Likely due to the high level of strain exerted across the elbow during the throwing motion, elbow injuries are on the rise in baseball. To identify at-risk athletes and guide postinjury return-to-throw programs, a better understanding of the variables that influence elbow varus torque is desired. PURPOSE: To describe the within-subject relationship between elbow varus torque and arm slot and arm rotation in professional baseball pitchers. STUDY DESIGN: Descriptive laboratory study...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28801960/mri-characterization-of-brown-adipose-tissue-under-thermal-challenges-in-normal-weight-overweight-and-obese-young-men
#6
Jie Deng, Lisa M Neff, Nicholas C Rubert, Bin Zhang, Richard M Shore, Jonathan D Samet, Paige C Nelson, Lewis Landsberg
PURPOSE: To implement quantitative Dixon magnetic resonance imaging (MRI) methods for brown adipose tissue (BAT) characterization at inactive and cold-activated states in normal weight, overweight, and obese subjects. The hypotheses are that MRI characteristics of BAT would differentiate between nonobese and obese subjects, and activation of BAT in response to thermal challenges that are detected by MRI would be correlated with BAT activity measured by positron emission tomography / computed tomography (PET/CT)...
August 11, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28800636/combined-sprint-and-resistance-training-abrogates-age-differences-in-somatotropic-hormones
#7
Maha Sellami, Wissem Dhahbi, Lawrence D Hayes, Johnny Padulo, Fatma Rhibi, Hanen Djemail, Anis Chaouachi
The aim of this investigation was to compare serum growth hormone (GH), insulin-like growth factor-1 (IGF-1) and insulin-like growth factor-binding protein-3 (IGFBP-3) in response to a combined sprint and resistance training (CSRT) program in young and middle-aged men.Thirty-eight healthy, moderately trained men participated in this study. Young and middle-aged men were randomly assigned to, a young training group (YT = 10, 21.4±1.2yrs) ora young control group (YC = 9, 21.6±1.8 yrs), a middle-aged training group (MAT = 10, 40...
2017: PloS One
https://www.readbyqxmd.com/read/28793919/prevention-of-diabetes-in-overweight-obese-children-through-a-family-based-intervention-program-including-supervised-exercise-predikid-project-study-protocol-for-a-randomized-controlled-trial
#8
Lide Arenaza, María Medrano, María Amasene, Beatriz Rodríguez-Vigil, Ignacio Díez, Manuel Graña, Ignacio Tobalina, Edurne Maiz, Edurne Arteche, Eider Larrarte, Inge Huybrechts, Catherine L Davis, Jonatan R Ruiz, Francisco B Ortega, Javier Margareto, Idoia Labayen
BACKGROUND: The global pandemic of obesity has led to an increased risk for prediabetes and type-2 diabetes (T2D). The aims of the current project are: (1) to evaluate the effect of a 22-week family based intervention program, including supervised exercise, on insulin resistance syndrome (IRS) risk in children with a high risk of developing T2D and (2) to identify the profile of microRNA in circulating exosomes and in peripheral blood mononuclear cells in children with a high risk of developing T2D and its response to a multidisciplinary intervention program including exercise...
August 10, 2017: Trials
https://www.readbyqxmd.com/read/28782096/the-prevention-of-musculoskeletal-injuries-in-volleyball-the-systematic-development-of-an-intervention-and-its-feasibility
#9
Vincent Gouttebarge, Marije van Sluis, Evert Verhagen, Johannes Zwerver
BACKGROUND: A scientific research project has started in the Netherlands with the aim of developing and implementing an evidence-based intervention to prevent the occurrence of musculoskeletal injuries among young and adult recreational volleyball players. This article describes (i) the systematic development of the intervention; and (ii) the assessment of its feasibility in terms of relevancy, suitability and usability. SYSTEMATIC DEVELOPMENT OF THE INTERVENTION: The development of the intervention was based on the Intervention Mapping structured and systematic process...
December 2017: Injury Epidemiology
https://www.readbyqxmd.com/read/28776413/the-application-of-one-hour-static-qigong-program-to-decrease-needle-pain-of-korean-adolescents-with-type-1-diabetes-a-randomized-crossover-design
#10
Euiyeon Kim, Ji-Eun Lee, Min Sohn
The aim of this study was to describe application of a static Qigong program to decrease needle pain in Korean adolescents with type 1 diabetes and its pilot test results. The pilot study was a randomized crossover design including 26 adolescents randomized to Qigong or rest group. Participants received a 60-minute Qigong program consisted of warm up, deep breathing, imaginary, and a closing warm up. After 24-hour washout period, treatment assignments were switched. We collected before and after intervention using a self-administered questionnaire, which included the faces pain scale to assess expected and perceived pain during blood sugar testing and insulin injection and the Positive and Negative Affect Schedule...
January 1, 2017: Journal of Evidence-based Complementary & Alternative Medicine
https://www.readbyqxmd.com/read/28768502/preventing-musculoskeletal-injuries-among-recreational-adult-volleyball-players-design-of-a-randomised-prospective-controlled-trial
#11
Vincent Gouttebarge, Johannes Zwerver, Evert Verhagen
BACKGROUND: Both acute and overuse injuries are common among recreational volleyball players, especially finger/wrist, ankle, shoulder and knee injuries. Consequently, an intervention ('VolleyVeilig') was developed to prevent or reduce the occurrence of finger/wrist, shoulder, knee and ankle injuries among recreational volleyball players. This article describes the design of a study evaluating the effectiveness of the developed intervention on the one-season occurrence of finger/wrist, shoulder, knee and ankle injuries among recreational adult volleyball players...
August 2, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28761719/effect-of-a-gluteal-activation-warm-up-on-explosive-exercise-performance
#12
Matt Parr, Phil Db Price, Daniel J Cleather
OBJECTIVES: To evaluate the effect of a gluteal activation warm-up on the performance of an explosive exercise (the high hang pull (HHP)). METHODS: Seventeen professional rugby union players performed one set of three HHPs (with 80% of their one repetition maximum load) following both a control and activation warm-up. Peak electrical activity of the gluteus maximus and medius was quantified using electromyography (EMG). In addition, the kinematics and kinetics of nine players was also recorded using force plate and motion capture technology...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/28757439/a-comparison-of-robotic-simulation-performance-on-basic-virtual-reality-skills-simulator-subjective-vs-objective-assessment-tools
#13
Ariel K Dubin, Roger Smith, Danielle Julian, Alyssa Tanaka, Patricia Mattingly
STUDY OBJECTIVE: This study aims to answer the question of whether there is a difference between robotic virtual reality simulator performance assessment and validated human reviewers. Current surgical education relies heavily upon simulation. Several assessment tools are available to the trainee, including the actual robotic simulator assessment metrics and the Global Evaluative Assessment of Robotic Skills (GEARS) metrics, both of which have been independently validated. GEARS is a rating scale through which human evaluators can score trainees' performances on six domains: depth perception, bimanual dexterity, efficiency, force sensitivity, autonomy, and robotic control...
July 27, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28750979/acute-effects-of-self-myofascial-release-and-stretching-in-overhead-athletes-with-gird
#14
Ryan R Fairall, Lee Cabell, Richard J Boergers, Fortunato Battaglia
OBJECTIVE: To examine the acute effects of self-myofascial release (SMR), static stretching (SS), and the combination of self-myofascial release and static stretching (SMR + SS) on glenohumeral internal rotation range of motion (GH IR ROM) in overhead athletes with glenohumeral internal rotation deficit (GIRD). PARTICIPANTS: Twelve asymptomatic adult male amateur softball position players exhibiting GIRD. RESULTS: All three methods significantly improved GH IR ROM...
July 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28750433/effect-of-a-12-week-aerobic-exercise-training-on-serum-fetuin-a-and-adipocytokine-levels-in-type-2-diabetes
#15
Ling-Yun Zhang, Tao Liu, Ya-Qin Teng, Xiao-Yan Yao, Tian-Tian Zhao, Liang-Yan Lin, Qing-Song Jin, Yong-Jun Jin
Objective We aimed to evaluate the effect of 12-week aerobic exercise training on fetuin-A levels in type 2 diabetes mellitus and examine the relationships between fetuin-A and adipocytokine levels and cardiovascular risk factors. Methods The study included 32 patients with type 2 diabetes mellitus who were assigned to an exercise or a control group. The exercise group underwent 12 weeks of exercise (consisting of a 5-min warm-up, 60-min aerobic bicycle training performed at 70% of the maximal heart rate, a cool-down period, 5 times/week)...
July 27, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28743205/do-baseball-pitchers-improve-mechanics-after-biomechanical-evaluations
#16
Glenn S Fleisig, Alek Z Diffendaffer, Brett Ivey, Kyle T Aune
The purpose of this study was to determine how often flaws in pitching mechanics identified from biomechanical analysis are corrected. The biomechanics of 46 baseball pitchers were evaluated twice, with an average of 12 months (range 2-48 months) between evaluations. Pitchers were healthy at the time of both evaluations, competing at the high school, college, minor league or Major League level. After warming up, each participant pitched 10 full-effort fastballs. Automated three-dimensional motion analysis was used to compute eight kinematic parameters which were compared with a database of elite professional pitchers...
July 25, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28740035/six-month-lower-limb-aerobic-exercise-improves-physical-function-in-young-old-old-old-and-oldest-old-adults
#17
Chaeyoon Cho, Changwan Han, Misun Sung, Chaewon Lee, Minji Kim, Yoshiko Ogawa, Masahiro Kohzuki
The effect of aerobic exercise on physical function and mental health in various adult age groups (young-old, 65-74; old-old, 75-84; oldest-old, ≥ 85 years) is unclear. The aim of this study was to investigate the effects of the Kohzuki Exercise Program (KEP) on physical function and mental health in these age groups. The KEP consisted of 40-min supervised sessions 3 times per week for 6 months as follows: 5 min of warm-up, 30 min of lower limb aerobic exercise, and 5 min of cool-down. A total of 50 participants (22 young-old, 20 old-old, and 8 oldest-old) who participated in the KEP completed at least 88% of the sessions...
August 2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28738666/influence-of-kitesurf-equipment-on-injury-rates
#18
Sebastian F Baumbach, Tanja Stawinski, Daniel Schmitz, Carsten Schoeneberg, Marcus Jäger, Christian Wedemeyer, Max D Kauther
BACKGROUND: Various injuries in kitesurfing (KS) have been reported so far. The aim of this study was to validate the effect of different kite designs and safety equipment on the injury rate compared to older studies. METHODS: A retrospective epidemiological study based on an anonymous face-to-face survey was conducted amongst active kitesurfers. The questionnaire consisted of 66 questions focusing on the equipment used, injury rates, overuse injuries and gender differences...
July 24, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28714771/acute-effect-of-static-stretching-on-lower-limb-movement-performance-by-using-stabl-virtual-reality-system
#19
Mariam A Ameer, Qassim I Muaidi
CONTEXT: The effect of acute static stretch (ASS) on the lower limb RT has been recently questioned to decrease the risk of falling and injuries in situations requiring a rapid reaction, as in the cases of balance disturbance. OBJECTIVE: The main purpose of this study was to detect the effect of ASS on the lower limb RT by using virtual reality device. DESIGN: Two Group Control Group design. SETTING: Research laboratory...
July 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28701758/temperature-dependent-giant-resistance-anomaly-in-laalo3-srtio3-nanostructures
#20
M Z Minhas, A Müller, F Heyroth, H H Blaschek, G Schmidt
The resistance of the electron gas (2DEG) at the interface between the two band insulators LaAlO3 (LAO) and SrTiO3 (STO) typically drops monotonically with temperature and R/T curves during cooling and warm-up look identical for large area structures. Here we show that if the LAO/STO is laterally restricted by nanopatterning the resistance exhibits a temperature anomaly. Warming up nanostructures from low temperatures leads to one or two pronounced resistance peaks between 50 and 100 K not observed for larger dimensions...
July 12, 2017: Scientific Reports
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