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https://www.readbyqxmd.com/read/28335426/elevated-serum-hepcidin-levels-during-an-intensified-training-period-in-well-trained-female-long-distance-runners
#1
Aya Ishibashi, Naho Maeda, Daichi Sumi, Kazushige Goto
Iron is essential for providing oxygen to working muscles during exercise, and iron deficiency leads to decreased exercise capacity during endurance events. However, the mechanism of iron deficiency among endurance athletes remains unclear. In this study, we compared iron status between two periods involving different training regimens. Sixteen female long-distance runners participated. Over a seven-month period, fasting blood samples were collected during their regular training period (LOW; middle of February) and during an intensified training period (INT; late of August) to determine blood hematological, iron, and inflammatory parameters...
March 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28335145/experimental-beneficial-effect-of-the-exercise-on-the-skeletal-muscle-subjected-to-chronic-ischemia-by-restoration-of-the-mitochondrial-function
#2
Anne Lejay, Charline Delay, Anne-Laure Charles, Fabien Thaveau, Joffrey Zoll, Nabil Chakfe, Bernard Geny
No abstract text is available yet for this article.
January 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28334685/serum-ifn-%C3%AE-induced-protein-10-ip-10-as-a-biomarker-for-severity-of-acute-respiratory-infection-in-healthy-adults
#3
Mary S Hayney, Kelsey M Henriquez, Jodi H Barnet, Tola Ewers, Heather M Champion, Sean Flannery, Bruce Barrett
BACKGROUND: The inflammatory chemokine, interferon-gamma inducible protein of 10kDa (IP-10), is a biomarker associated with several conditions. OBJECTIVES: This study investigated serum concentrations of IP-10 in healthy individuals who developed acute respiratory infection (ARI). The hypothesis is that serum IP-10 concentrations correlate with ARI severity and detection of viral pathogens. STUDY DESIGN: Data come from a randomized controlled trial measuring the effects of mindfulness meditation or exercise on ARI (Clinical Trials ID: NCT01654289)...
March 16, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28334675/exercise-increases-serum-brain-derived-neurotrophic-factor-in-patients-with-major-depressive-disorder
#4
A Kerling, M Kück, U Tegtbur, L Grams, S Weber-Spickschen, A Hanke, B Stubbs, K G Kahl
BACKGROUND: Brain derived neurotrophic factor (BDNF) has been implicated in the pathogenesis of major depressive disorder (MDD). Existing data on exercise treatment in people with MDD are inconsistent concerning the effect of exercise on BDNF pointing either to increased or unaltered BDNF concentrations. However, studies in non-depressed persons demonstrated a significant effect on resting peripheral BDNF concentrations in aerobic training interventions. Given the lack of clarity mentioned above, the current study aimed at examining the effect of adjunctive exercise on serum BDNF levels in guideline based treated patients with MDD...
March 18, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28334542/-an-assessment-of-vo2-kinetics-in-the-recovery-phase-of-cardiopulmonary-exercise-test-in-patients-with-heart-disease-importance-and-classification
#5
Leona Mífková, František Várnay, Pavel Homolka, Petr Dobšák
The article reviews the course of VO2 in the phase of recovery kinetics of oxygen uptake (VO2rec) cardiopulmonary exercise test. VO2rec kinetics cannot be completely defined using a single parameter. The article describes the three most frequently used methods: %VO2-REC2, T1/2 VO2rec and TC VO2, and provides detailed procedures of their analysis. The three aforementioned parameters are also at the heart of our classification of VO2rec. The method %VO2-REC2 is an essential one, in our view, since its prognostic significance is proven and it can be also easily applied only based on a data record of the cardiopulmonary exercise test...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28334483/activities-of-daily-living-trajectories-among-institutionalized-older-adults-a-prospective-study
#6
Huai-Ting Kuo, Kuan-Chia Lin, Chung-Fu Lan, I-Chuan Li
AIMS AND OBJECTIVES: To examine ADL trajectory groups among older residents in Taiwan, and to determine the relative risks of demographic characteristics and health status in explaining the trajectory group of ADL. BACKGROUND: Activity of daily living (ADL) is a crucial indicator of health status for institutionalized older adults. ADL is a dynamic process, and has differences in trajectory groups. DESIGN: This study was a 3-year longitudinal analysis of long-term care (LTC) facility residents in Taiwan...
March 23, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28333986/building-the-road-to-a-regional-zoonoses-strategy-a-survey-of-zoonoses-programmes-in-the-americas
#7
Melody J Maxwell, Mary H Freire de Carvalho, Armando E Hoet, Marco A N Vigilato, Julio C Pompei, Ottorino Cosivi, Victor J Del Rio Vilas
BACKGROUND: In recent years, global public health security has been threatened by zoonotic disease emergence as exemplified by outbreaks of H5N1 and H1N1 influenza, SARS, and most recently Ebola and Zika. Additionally, endemic zoonoses, such as rabies, burden countries year after year, placing demands on limited finances and personnel. To survey the baseline status of the emerging and endemic zoonoses programmes of the Latin American and the Caribbean (LAC) countries, the Pan American Health Organization (PAHO) conducted a survey of priority emerging and endemic zoonoses, countries´ prioritization criteria and methodologies, and suggestions to strengthen countries capacities and regional approaches to zoonoses control...
2017: PloS One
https://www.readbyqxmd.com/read/28333717/effect-of-resistance-exercise-on-muscle-metabolism-and-autophagy-in-sibm
#8
Jae-Hoon Jeong, Dae-Seung Yang, Dong-Ju Hwang, Joon-Yong Cho, Eun-Bum Kang
PURPOSE: Sporadic inclusion body myositis (sIBM), a muscular degenerative disease in the elderly, is an inflammatory myopathy characterized by muscle weakness in the wrist flexor, quadriceps, and tibialis anterior muscles. We aimed to identify the therapeutic effect of resistance exercise (RE) in improving sIBM symptoms in an sIBM animal model. METHODS: Six-week-old male Wistar rats were divided into a sham group (sham, n = 12), chloroquine-control group (CQ-con, n = 12), and chloroquine-RE group (CQ-RE, n = 12)...
March 23, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28333613/collaborative-management-of-neurocognitive-disorders-in-primary-care-explorations-of-an-attempt-at-culture-change
#9
Lewis Mehl-Madrona, Barbara Mainguy
INTRODUCTION: Minor neurocognitive disorder (MiND; previously mild cognitive impairment) is a transitional zone between normal cognitive function and early stages of major neurocognitive disorder (previously called dementia). Of people with MiND, 5% to 10% progress to major neurocognitive disorder. Simple interventions such as memory activities, balance exercises, and anti-inflammatory diets have been shown to improve cognitive ability. Also, education and support in group settings have proved beneficial for patients with MiND...
2017: Permanente Journal
https://www.readbyqxmd.com/read/28332373/effect-of-extracorporeal-shock-wave-therapy-on-hamstring-tightness-in-healthy-subjects-a-pilot-study
#10
Yong Wook Kim, Won Hyuk Chang, Na Young Kim, Jun Beom Kwon, Sang Chul Lee
PURPOSE: To assess the effect of extracorporeal shock wave therapy (ESWT) for healthy participants with hamstring tightness. MATERIALS AND METHODS: This study was performed at a university rehabilitation hospital. Twenty nine healthy adults with hamstring tightness were enrolled and randomly allocated into four groups (ESWT, stretching exercise, ESWT with stretching exercise, and control). The effects of individual treatments were compared by the finger-to-floor test and popliteal angle...
May 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28332171/sport-and-male-sexuality
#11
REVIEW
P Sgrò, L Di Luigi
The relationships between sport and sexuality in males are of great social and clinical interest, because of sports and motor activities that highly promote social and sexual relationships. Even if few literature exist, two main questions should be taken into account: whether and how physical exercise and sport positively or negatively influence sexual health and behavior and/or whether and how sexual behavior may affect a sub-sequent sport performance. Physical exercise and sport per se can influence, positively or negatively, the hypothalamic-pituitary-testicular axis function and, consequently, the individual's reproductive and/or sexual health...
March 22, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28332118/nutrition-and-training-influences-on-the-regulation-of-mitochondrial-adenosine-diphosphate-sensitivity-and-bioenergetics
#12
REVIEW
Graham P Holloway
Since the seminal finding almost 50 years ago that exercise training increases mitochondrial content in skeletal muscle, a considerable amount of research has been dedicated to elucidate the mechanisms inducing mitochondrial biogenesis. The discovery of peroxisome proliferator-activated receptor γ co-activator 1α as a major regulator of exercise-induced gene transcription was instrumental in beginning to understand the signals regulating this process. However, almost two decades after its discovery, our understanding of the signals inducing mitochondrial biogenesis remain poorly defined, limiting our insights into possible novel training modalities in elite athletes that can increase the oxidative potential of muscle...
March 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28332117/fructose-metabolism-from-a-functional-perspective-implications-for-athletes
#13
REVIEW
Luc Tappy, Robin Rosset
Substantial amounts of fructose are present in our diet. Unlike glucose, this hexose cannot be metabolized by most cells and has first to be converted into glucose, lactate or fatty acids by enterocytes, hepatocytes and kidney proximal tubule cells, which all express specific fructose-metabolizing enzymes. This particular metabolism may then be detrimental in resting, sedentary subjects; however, this may also present some advantages for athletes. First, since fructose and glucose are absorbed through distinct, saturable gut transporters, co-ingestion of glucose and fructose may increase total carbohydrate absorption and oxidation...
March 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28332116/sweating-rate-and-sweat-sodium-concentration-in-athletes-a-review-of-methodology-and-intra-interindividual-variability
#14
REVIEW
Lindsay B Baker
Athletes lose water and electrolytes as a consequence of thermoregulatory sweating during exercise and it is well known that the rate and composition of sweat loss can vary considerably within and among individuals. Many scientists and practitioners conduct sweat tests to determine sweat water and electrolyte losses of athletes during practice and competition. The information gleaned from sweat testing is often used to guide personalized fluid and electrolyte replacement recommendations for athletes; however, unstandardized methodological practices and challenging field conditions can produce inconsistent/inaccurate results...
March 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28332115/periodized-nutrition-for-athletes
#15
REVIEW
Asker E Jeukendrup
It is becoming increasingly clear that adaptations, initiated by exercise, can be amplified or reduced by nutrition. Various methods have been discussed to optimize training adaptations and some of these methods have been subject to extensive study. To date, most methods have focused on skeletal muscle, but it is important to note that training effects also include adaptations in other tissues (e.g., brain, vasculature), improvements in the absorptive capacity of the intestine, increases in tolerance to dehydration, and other effects that have received less attention in the literature...
March 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28332114/training-the-gut-for-athletes
#16
REVIEW
Asker E Jeukendrup
The gastrointestinal (GI) tract plays a critical role in delivering carbohydrate and fluid during prolonged exercise and can therefore be a major determinant of performance. The incidence of GI problems in athletes participating in endurance events is high, indicating that GI function is not always optimal in those conditions. A substantial body of evidence suggests that the GI system is highly adaptable. Gastric emptying as well as stomach comfort can be "trained" and perceptions of fullness decreased; some studies have suggested that nutrient-specific increases in gastric emptying may occur...
March 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28332113/the-critical-power-concept-applications-to-sports-performance-with-a-focus-on-intermittent-high-intensity-exercise
#17
REVIEW
Andrew M Jones, Anni Vanhatalo
The curvilinear relationship between power output and the time for which it can be sustained is a fundamental and well-known feature of high-intensity exercise performance. This relationship 'levels off' at a 'critical power' (CP) that separates power outputs that can be sustained with stable values of, for example, muscle phosphocreatine, blood lactate, and pulmonary oxygen uptake ([Formula: see text]), from power outputs where these variables change continuously with time until their respective minimum and maximum values are reached and exercise intolerance occurs...
March 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28332112/perspectives-on-exertional-rhabdomyolysis
#18
REVIEW
Eric S Rawson, Priscilla M Clarkson, Mark A Tarnopolsky
Exertional (exercise-induced) rhabdomyolysis is a potentially life threatening condition that has been the subject of research, intense discussion, and media attention. The causes of rhabdomyolysis are numerous and can include direct muscle injury, unaccustomed exercise, ischemia, extreme temperatures, electrolyte abnormalities, endocrinologic conditions, genetic disorders, autoimmune disorders, infections, drugs, toxins, and venoms. The objective of this article is to review the literature on exertional rhabdomyolysis, identify precipitating factors, and examine the role of the dietary supplement creatine monohydrate...
March 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28332110/minimizing-injury-and-maximizing-return-to-play-lessons-from-engineered-ligaments
#19
REVIEW
Keith Baar
Musculoskeletal injuries account for more than 70% of time away from sports. One of the reasons for the high number of injuries and long return to play is that we have only a very basic understanding of how our training alters tendon and ligament (sinew) structure and function. Sinews are highly dense tissues that are difficult to characterize both in vivo and in vitro. Recently, engineered ligaments have been developed in vitro using cells from human anterior cruciate ligaments or hamstring tendons. These three-dimensional tissues can be grown in a laboratory, treated with agents thought to affect sinew physiology, and then mechanically tested to determine their function...
March 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28332101/prevalence-and-factors-associated-with-stages-of-behavior-change-for-physical-activity-in-adolescents-a-systematic-review
#20
REVIEW
Heloyse Elaine Gimenes Nunes, Diego Augusto Santos Silva, Eliane Cristina de Andrade Gonçalves
BACKGROUND: To analyze prevalence and factors associated with stages of behavior change for physical activity in adolescents. DATA SOURCES: A search was performed in SciELO, PubMed, PsycINFO, SPORTDiscus and LILACS. The search terms were "behavior change" OR "stages of change" OR "stages of readiness" OR "readiness to change" OR "transtheoretical model" OR "process to change" OR "decisional balance", and "motor activity" OR "physical activity" OR "physical exercise" and "adolescent" OR "students"...
March 22, 2017: World Journal of Pediatrics: WJP
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