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https://www.readbyqxmd.com/read/28420637/gps-urged-to-be-cautious-when-assessing-patients-fitness-for-endurance-sports
#1
Gareth Iacobucci
No abstract text is available yet for this article.
April 18, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28417910/effects-of-three-commercially-available-sports-drinks-on-substrate-metabolism-and-subsequent-endurance-performance-in-a-postprandial-state
#2
Lu Qin, Qi-Rong Wang, Zi-Long Fang, Ting Wang, Ai-Qi Yu, Yu-Jie Zhou, Yi Zheng, Mu-Qing Yi
Purpose: To examine the effects of commercially available sports beverages with various components on substrate metabolism and subsequent performance. Methods: Two studies were conducted in a double-blinded, counterbalanced manner. Study I was designed to determine the glycemic index, while study II determined the utilization of substrates and subsequent exercise performance. Ten healthy male participants (age 21.70 ± 2.41 years, height 176.60 ± 5.23 cm, weight 66.58 ± 5.38 kg, V̇O2max 48.1 ± 8.4 mL/kg/min) participated in both study I and study II...
April 12, 2017: Nutrients
https://www.readbyqxmd.com/read/28416894/letter-to-the-editor-a-genetic-based-algorithm-for-personalized-resistance-training
#3
A Karanikolou, G Wang, Y Pitsiladis
In a recent paper entitled "A genetic-based algorithm for personalized resistance training", Jones et al. [1] presented an algorithm of 15 performance-associated gene polymorphisms that they propose can determine an athlete's training response by predicting power and endurance potential. However, from the design of their studies and the data provided, there is no evidence to support these authors' assertions. Progress towards such a significant development in the field of sport and exercise genomics will require a paradigm shift in line with recent recommendations for international collaborations such as the Athlome Project (see www...
March 2017: Biology of Sport
https://www.readbyqxmd.com/read/28415084/p260right-cardiac-chambers-remodeling-in-marathon-and-ultra-trail-athletes-detected-by-speckle-tracking-echocardiography
#4
K Ujka, R M Bruno, B Catuzzo, L Bastiani, A Tonacci, G D'angelo, S Mrakic-Sposta, A Vezzoli, G Giardini, L Pratali
Background: Strenuous and chronic exercise training can have detrimental effects on cardiac morphology and function. Our aim was to evaluate the cardiac adaptation between 2 different specialties' endurance athletes: marathon runners (M) and ultra-trailers (UT). Methods: 47 M (age 45±7, men 32; training: 18 (9-53) years*days/week), 41 UT (age 42±9, men 38, training: 30 (15-66) years*days/week) were submitted in rest condition to conventional 2D echocardiography and Speckle-Tracking echo (STE) (Beyond Diogenes 2...
December 1, 2016: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28414722/re-visiting-the-tympanic-membrane-vicinity-as-core-body-temperature-measurement-site
#5
Wui Keat Yeoh, Jason Kai Wei Lee, Hsueh Yee Lim, Chee Wee Gan, Wenyu Liang, Kok Kiong Tan
Core body temperature (CBT) is an important and commonly used indicator of human health and endurance performance. A rise in baseline CBT can be attributed to an onset of flu, infection or even thermoregulatory failure when it becomes excessive. Sites which have been used for measurement of CBT include the pulmonary artery, the esophagus, the rectum and the tympanic membrane. Among them, the tympanic membrane is an attractive measurement site for CBT due to its unobtrusive nature and ease of measurement facilitated, especially when continuous CBT measurements are needed for monitoring such as during military, occupational and sporting settings...
2017: PloS One
https://www.readbyqxmd.com/read/28413958/anti-fatigue-effects-of-active-ingredients-from-traditional-chinese-medicine-a-review
#6
Si-Si Zhou, Jian-Guo Jiang
Fatigue, a phenomenon which is believed to be caused by body exercise, can lead to the failure of predetermined exercise intensity maintenance and sport ability declination. The usage of traditional Chinese medicine (TCM) in the treatment of fatigue has long been practiced in clinical and showed significant effects. This article covers related literatures in recent years and sorts the effective ingredients from TCM for treating fatigue into a few categories including alkaloids, saponins, polysaccharides, polyphenols, polypeptide, terpene, proteins and other active ingredients...
April 14, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28406104/institutionalized-physical-activity-curriculum-benefits-of-medical-students-in-colombia
#7
Gustavo Tovar, Gabriel López, Milcíades Ibáñez, Ricardo Alvarado, Felipe Lobelo, John Duperly
BACKGROUND: Health authorities internationally have recommended implementing physical activity and exercise for health training programs within the curriculum of medical schools. The purpose of this evaluation was to determine the changes in physical fitness and health (Fitnessgram criteria) of a sports medicine and physical activity course implemented for 3rd year students in a private medical school in Bogotá, Colombia. METHODS: Intervention was targeted to 13 medical student cohorts...
September 2016: Education for Health: Change in Training & Practice
https://www.readbyqxmd.com/read/28404486/adherence-to-and-effects-on-physical-function-parameters-of-a-community-based-standardised-exercise-programme-for-overweight-or-obese-patients-carried-out-by-local-sports-clubs
#8
C Lackinger, J Wilfinger, J Mayerhofer, A Strehn, D Dick, T E Dorner
OBJECTIVES: To evaluate the adherence to a sports-club-based standardised real-life exercise programme for overweight or obese patients. The effects on physical function parameters, anthropometry and quality of life were also assessed. STUDY DESIGN: Within this prospective cohort study data from patients in Austrian sports-club-based programmes were analysed. METHODS: Sports-club-based programmes were held twice a week and carried out by local trainers...
March 25, 2017: Public Health
https://www.readbyqxmd.com/read/28387576/dietary-micro-periodization-in-elite-female-and-male-runners-and-race-walkers-during-a-block-of-high-intensity-pre-competition-training
#9
Ida Aliisa Heikura, Louise Mary Burke, Antti A Mero, Arja Leena Tuulia Uusitalo, Trent Stellingwerff
We investigated one week of dietary micro-periodization in elite female (n=23) and male (n=15) runners and race-walkers by examining the frequency of training sessions and recovery periods conducted with recommended carbohydrate (CHO) and protein availability. Food and training diaries were recorded in relation to HARD (intense or >90min sessions; KEY) versus RECOVERY days (other-than KEY sessions; EASY). The targets for amount and timing of CHO and protein around KEY sessions were based on current nutrition recommendations...
April 7, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28387545/abstracts-for-the-4th-annual-congress-on-medicine-science-in-ultra-endurance-sports-may-30-2017-denver-colorado
#10
(no author information available yet)
No abstract text is available yet for this article.
April 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28379980/transcutaneous-spinal-direct-current-stimulation-induces-lasting-fatigue-resistance-and-enhances-explosive-vertical-jump-performance
#11
Helen R Berry, Rothwelle J Tate, Bernard A Conway
Transcutaneous spinal direct current stimulation (tsDCS) is a non-invasive neuromodulatory intervention that has been shown to modify excitability in spinal and supraspinal circuits in animals and humans. Our objective in this study was to explore the functional neuromodulatory potential of tsDCS by examining its immediate and lasting effects over the repeated performance of a whole body maximal exercise in healthy volunteers. Using a double-blind, randomized, crossover, sham-controlled design we investigated the effects of 15 min of anodal tsDCS on repeated vertical countermovement jump (VCJ) performance at 0, 20, 60, and 180 minutes post-stimulation...
2017: PloS One
https://www.readbyqxmd.com/read/28368959/the-effects-of-a-cycling-warm-up-including-high-intensity-heavy-resistance-conditioning-contractions-on-subsequent-4-km-time-trial-performance
#12
Alan Chorley, Kevin L Lamb
Prior exercise has been shown to improve subsequent performance via different mechanisms. Sport-specific conditioning contractions can be used to exploit the 'post-activation potentiation' (PAP) phenomenon to enhance performance although this has rarely been investigated in short endurance events. The aim of this study was to compare a cycling warm-up with PAP-inducing conditioning contractions (CW) with a moderate intensity warm-up (MW) on performance and physiological outcomes of 4 km time trial. Ten well-trained male endurance cyclists (V[Combining Dot Above]O2max 65...
March 25, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28368958/a-field-based-cycling-test-to-assess-predictors-of-endurance-performance-and-establishing-training-zones
#13
Dajo Sanders, Richard J Taylor, Tony Myers, Ibrahim Akubat
This study evaluates the relationship between a field-based 8-min time trial (8MTT) and physiological endurance variables assessed with an incremental laboratory test. Secondly, lactate thresholds assessed in the laboratory were compared to estimated functional threshold power (FTP) from the 8MTT. Nineteen well-trained road cyclists (aged 22 ± 2 yr, height 185.9 ± 4.5 cm, weight 72.8 ± 4.6 kg, VO2max 64 ± 4 ml·min·kg) participated. Linear regression revealed that mean 8MTT power output (PO) was strongly to very strongly related to PO at 4 mmol[BULLET OPERATOR]L, PO at initial rise of 1...
March 25, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28364171/-relaxation-techniques-and-behavioural-therapy-for-the-treatment-of-migraine-guidelines-from-the-german-migraine-and-headache-society
#14
P Kropp, B Meyer, T Dresler, G Fritsche, C Gaul, U Niederberger, S Förderreuther, V Malzacher, T P Jürgens, M Marziniak, A Straube
Besides pharmacological and interventional possibilities nonpharmacological options, deriving from behavioural approaches may be helpful in the treatment of migraine. Already consulting a patient reduces frequency of attacks. Relaxation (especially progressive muscle relaxation), endurance sports, and biofeedback as well as cognitive behavioural therapy are effective in treatment of migraine. The combination of these treatment options also with pharmacological treatment increase the positive effects.
March 31, 2017: Der Schmerz
https://www.readbyqxmd.com/read/28355976/on-ice-return-to-hockey-progression-after-anterior-cruciate-ligament-reconstruction
#15
Jacob J Capin, William Behrns, Karen Thatcher, Amelia Arundale, Angela Hutchinson Smith, Lynn Snyder-Mackler
Synopsis Limited literature exists pertaining to rehabilitation of ice hockey players seeking to return-to-sport after anterior cruciate ligament reconstruction (ACLR). The purpose of this clinical commentary is to present a criterion-based, return-to-ice hockey progression for athletes after ACLR. First, we review pertinent literature and provide previously published guidelines on general rehabilitation after ACLR. Then, we present a four-phase, on-ice skating progression with objective criteria to initiate each phase...
March 29, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28349656/equine-performance-genes-and-the-future-of-doping-in-horseracing
#16
Tessa Wilkin, Anna Baoutina, Natasha Hamilton
A horse's success on the racetrack is determined by genetics, training and nutrition, and their translation into physical traits such as speed, endurance and muscle strength. Advances in genetic technologies are slowly explaining the roles of specific genes in equine performance, and offering new insights into the development of novel therapies for diseases and musculoskeletal injuries that cause early retirement of many racehorses. Gene therapy approaches may also soon provide new means to artificially enhance the physical performance of racehorses...
March 27, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28348942/biochemistry-in-endeavor-adventure-racers-study-bears
#17
Matthew Wetschler, David Radler, Mark Christensen, Grant Lipman
BACKGROUND:  Adventure sports events consist of a combination of two or more endurance disciplines, such as orienteering, running, and rock climbing, that range from a day's to a week's duration. No studies have examined acute kidney injury (AKI) in adventure sports athletes. OBJECTIVES: To describe the prevalence of AKI in participants in the Endeavor Team Challenge, a 30-hour, 40-mile adventure race. METHODS: In this prospective observational study, body weights were recorded at race registration...
February 11, 2017: Curēus
https://www.readbyqxmd.com/read/28346833/arthroscopic-hip-surgery-in-the-elite-athlete-comparison-of-female-and-male-competitive-athletes
#18
Kotaro R Shibata, Shuichi Matsuda, Marc R Safran
BACKGROUND: Few studies have published the results of hip arthroscopic surgery in elite athletes and none studying a significant number of elite female athletes. PURPOSE: (1) To compare sex-based differences in the ability to return to prior competitive sports activity after arthroscopic hip surgery. (2) To compare sex-based differences in the type of sports activity, diagnosis, and treatment in athletes requiring hip arthroscopic surgery. STUDY DESIGN: Cohort study; Level of evidence, 3...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28344459/applied-sports-nutrition-support-dietary-intake-and-body-composition-changes-of-a-female-athlete-completing-26-marathons-in-26-days-a-case-study
#19
Chris J McManus, Kelly A Murray, David A Parry
The aim of this case study is to describe the nutrition practices of a female recreational runner (VO2max 48.9 ml·kg(-1)·min(-1)) who completed 26 marathons (42.195 km) in 26 consecutive days. Information relating to the nutritional intake of female runners during multi-day endurance events is extremely limited, yet the number of people participating year-on-year continues to increase. This case study reports the nutrition intervention, dietary intake, body composition changes and performance in the lead-up and during the 26 days...
March 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28338358/a-mismatch-between-athlete-practice-and-current-sports-nutrition-guidelines-among-elite-female-and-male-middle-and-long-distance-athletes
#20
Ida Aliisa Heikura, Trent Stellingwerff, Antti A Mero, Arja Leena Tuulia Uusitalo, Louise Mary Burke
Contemporary nutrition guidelines promote a variety of periodized and time-sensitive recommendations, but current information regarding the knowledge and practice of these strategies among world-class athletes is limited. The aim of this study was to investigate this theme by implementing a questionnaire on dietary periodization practices in national/international level female (n=27) and male (n=21) middle- and long-distance runners/race-walkers. The questionnaire aimed to gain information on between and within-day dietary choices, as well as timing of pre- and post-training meals and practices of training with low or high carbohydrate (CHO) availability...
March 24, 2017: International Journal of Sport Nutrition and Exercise Metabolism
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