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https://www.readbyqxmd.com/read/28434152/compression-garments-and-recovery-from-exercise-a-meta-analysis
#1
REVIEW
Freddy Brown, Conor Gissane, Glyn Howatson, Ken van Someren, Charles Pedlar, Jessica Hill
BACKGROUND: Adequate recovery from exercise is essential to maintain performance throughout training and competition. While compression garments (CG) have been demonstrated to accelerate recovery, the literature is clouded by conflicting results and uncertainty over the optimal conditions of use. OBJECTIVES: A meta-analysis was conducted to assess the effects of CG on the recovery of strength, power and endurance performance following an initial bout of resistance, running, or non-load-bearing endurance (metabolic) exercise...
April 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28433473/sex-difference-in-the-heat-shock-response-to-high-external-load-resistance-training-in-older-humans
#2
Rose Njemini, Louis Nuvagah Forti, Tony Mets, Evelien Van Roie, Walter Coudyzer, Ingo Beyer, Christophe Delecluse, Ivan Bautmans
BACKGROUND: Literature reports on the effects of resistance training on heat shock protein70 (Hsp70) adaptation in older subjects are scarce. Moreover, the optimum training load required to obtain a beneficial adaptation profile is lacking. Therefore, the aim of this study was to determine the effects of resistance training at various external loads on extracellular Hsp70 (eHsp70) resting levels in older humans. METHODS: Fifty-six community-dwelling older (68±5years) volunteers were randomized to 12weeks of resistance training (3×/week) at either high-resistance (HIGH, 8 males, 10 females, 2×10-15 repetitions at 80%1RM), low resistance (LOW, 9 Males, 10 Females, 1×80-100 repetitions at 20%1RM), or mixed low resistance (LOW+, 9 Males, 10 Females, 1×60 repetitions at 20%1RM followed by 1×10-20 repetitions at 40%1RM)...
April 19, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28433409/managing-anthelmintic-resistance-in-parascaris-spp-a-modelling-exercise
#3
Dave M Leathwick, Christian W Sauermann, Thomas Geurden, Martin K Nielsen
A previously described model for the dynamics of the parasitic stages of Parascaris spp. was modified to include eggs outside the host and the genetics of anthelmintic resistance before being used to address questions regarding the development of resistance. Three broad questions were addressed; i) How sustainable is the current common practice of treating foals monthly for their first year of life (i.e. 12 treatments/year)? ii) Does the timing of treatments have an effect on resistance development? (i.e. do certain treatments select for resistance more strongly than others?), and iii) How sustainable is the currently recommended strategy of targeting ascarid infections in foals with two treatments applied during the first five months of life? A range of variations within these broad questions were considered, such as the value in rotational deworming, whether larvicidal treatments are more selective for resistance, and whether combination anthelmintics should be introduced...
March 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28433145/influence-of-the-radial-stem-composition-on-the-thermal-behaviour-of-miscanthus-and-sorghum-genotypes
#4
Lucie Chupin, Dieter de Ridder, Anne Clément-Vidal, Armelle Soutiras, Emilie Gineau, Grégory Mouille, Stéphanie Arnoult, Maryse Brancourt-Hulmel, Catherine Lapierre, David Pot, Luc Vincent, Alice Mija, Patrick Navard
The hypothesis made is that thermal resistance of sorghum and miscanthus stem pieces taken at well-defined positions of the stem is simply related to their biochemical composition. For miscanthus, two different genotypes and two internode levels were selected. For each region, the stem was divided into three radial layers. For sorghum, two different genotypes were selected and the stem was divided into the same three radial layers. The results show that the thermal analysis is only sensitive to very large variations of compositions...
July 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28432739/effect-of-a-4-week-elastic-resistance-band-training-regimen-on-back-kinematics-in-horses-trotting-in-hand-and-on-the-lunge
#5
T Pfau, V Simons, N Rombach, N Stubbs, R Weller
REASONS FOR PERFORMING STUDY: Training and rehabilitation techniques aiming at improving core muscle strength may result in increased dynamic stability of the equine vertebral column. A system of elastic resistance bands is suggested to provide proprioceptive feedback during motion to encourage recruitment of core abdominal and hindquarter musculature for improved dynamic stability. OBJECTIVES: To quantify the effects of a specific resistance band system on back kinematics during trot in-hand and during lungeing at beginning and end of a 4-week exercise programme...
April 22, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28432420/sex-differences-in-neuromuscular-function-after-repeated-eccentric-contractions-of-the-knee-extensor-muscles
#6
Andrea Lee, Jake Baxter, Claire Eischer, Matt Gage, Sandra Hunter, Tejin Yoon
PURPOSE: This study examined the mechanisms for force and power reduction during and up to 48 h after maximal eccentric contractions of the knee extensor muscles in young men and women. METHODS: 13 men (22.8 ± 2.6 years) and 13 women (21.6 ± 2.2 years) performed 150 maximal effort eccentric contractions (5 sets of 30) with the knee extensor muscles at 60° s(-1). Maximal voluntary isometric contractions (MVIC) and maximal voluntary concentric contractions (MVCC) were performed before and after the 150 eccentric contractions...
April 21, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28432116/effects-of-exercise-and-aging-on-skeletal-muscle
#7
Giovanna Distefano, Bret H Goodpaster
A substantial loss of muscle mass and strength (sarcopenia), a decreased regenerative capacity, and a compromised physical performance are hallmarks of aging skeletal muscle. These changes are typically accompanied by impaired muscle metabolism, including mitochondrial dysfunction and insulin resistance. A challenge in the field of muscle aging is to dissociate the effects of chronological aging per se on muscle characteristics from the secondary influence of lifestyle and disease processes. Remarkably, physical activity and exercise are well-established countermeasures against muscle aging, and have been shown to attenuate age-related decreases in muscle mass, strength, and regenerative capacity, and slow or prevent impairments in muscle metabolism...
April 21, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28431408/the-effects-of-exercise-modality-during-additional-high-intensity-interval-training-upon-aerobic-fitness-and-strength-in-powerlifting-and-strongman-athletes
#8
Patroklos Androulakis-Korakakis, Louis Langdown, Adam Lewis, James Fisher, Paulo Gentil, Antonio Paoli, James Steele
Powerlifters and strongman athletes have a necessity for optimal levels of muscular strength whilst maintaining sufficient aerobic capacity to perform and recover between events. HIIT has been popularized for its efficacy in improving both aerobic fitness and strength but never assessed within the aforementioned population group. The present study looked to compare the effect of exercise modality, e.g. a traditional aerobic mode (AM), and strength mode, (SM), during HIIT upon aerobic fitness and strength. Sixteen well resistance trained male participants, currently competing in powerlifting and strongman events, completed 8 weeks of approximately effort- and volume-matched HIIT in 2 groups: AM (cycling, n=8) and SM (resistance training, n=8)...
April 21, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28430140/-eat-as-if-you-could-save-the-planet-and-win-sustainability-integration-into-nutrition-for-exercise-and-sport
#9
Nanna Meyer, Alba Reguant-Closa
Today's industrial food production contributes significantly to environmental degradation. Meat production accounts for the largest impact, including greenhouse gas emissions, land and water use. While food production and consumption are important aspects when addressing climate change, this article focuses predominantly on dietary change that promotes both health for planet and people with focus on athletes. Healthy, sustainable eating recommendations begin to appear in various governmental guidelines. However, there remains resistance to the suggested reductions in meat consumption...
April 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28426515/can-transcranial-direct-current-stimulation-improve-muscle-power-in-individuals-with-advanced-resistance-training-experience
#10
Eduardo Lattari, Carlos Campos, Murilo Khede Lamego, Sandro Legey Passos de Souza, Geraldo M Neto, Nuno B Rocha, Aldair José de Oliveira, Sandro Carpenter, Sérgio Machado
The aim of this study was to investigate the effects of transcranial direct current stimulation (tDCS) on countermovement jump performance (CMJ) in men with advanced strength training experience. Ten healthy male subjects, with advanced strength training and squatting exercise experience, were included. Participants took part in an initial visit to the laboratory to complete anthropometric measurements and CMJ kinematic test-retest reliability. Participants then completed three experimental conditions, 48-72 hours apart, in a randomized, double-blinded crossover design: anodal, cathodal and sham tDCS (2 mA for 20 minutes targeting the motor cortex bilaterally)...
April 15, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28425939/fructose-consumption-in-the-development-of-obesity-and-the-effects-of-different-protocols-of-physical-exercise-on-the-hepatic-metabolism
#11
REVIEW
Rodrigo Martins Pereira, José Diego Botezelli, Kellen Cristina da Cruz Rodrigues, Rania A Mekary, Dennys Esper Cintra, José Rodrigo Pauli, Adelino Sanchez Ramos da Silva, Eduardo Rochete Ropelle, Leandro Pereira de Moura
Fructose consumption has been growing exponentially and, concomitant with this, the increase in the incidence of obesity and associated complications has followed the same behavior. Studies indicate that fructose may be a carbohydrate with greater obesogenic potential than other sugars. In this context, the liver seems to be a key organ for understanding the deleterious health effects promoted by fructose consumption. Fructose promotes complications in glucose metabolism, accumulation of triacylglycerol in the hepatocytes, and alterations in the lipid profile, which, associated with an inflammatory response and alterations in the redox state, will imply a systemic picture of insulin resistance...
April 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28424870/high-intensity-interval-training-does-not-impair-strength-gains-in-response-to-resistance-training-in-premenopausal-women
#12
Paulo Gentil, Claudio Andre Barbosa de Lira, Suedi Gonçalves Cardoso Filho, Cauê Vazquez La Scala Teixeira, James Steele, James Fisher, Juliana Alves Carneiro, Mário Hebling Campos
PURPOSE: To compare the increases in upper- and lower-body muscle strength in premenopausal women performing resistance training (RT) alone or alongside concurrent high-intensity interval training (CT). METHODS: Sixteen women (26-40 years) were randomly assigned into two groups that performed either RT or CT. Both groups performed the same RT program; however, CT performed additional high-intensity interval training (HIIT) on a bicycle ergometer before RT. The study lasted 8 weeks and the participants were tested for ten repetition maximum (10RM) load in elbow flexion (barbell biceps curl) and knee extension exercises pre- and post-intervention...
April 19, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28424510/the-effect-of-slow-loaded-breathing-training-on-the-blood-pressure-response-to-handgrip-exercise-in-patients-with-isolated-systolic-hypertension
#13
Chulee Ubolsakka-Jones, Benjarat Sangthong, Wilaiwan Khrisanapant, David A Jones
Isolated systolic hypertension (ISH) is the most common form of hypertension in older people. It is characterized by increased resting systolic blood pressure (sBP) and increased sBP in response to exercise. It has previously been shown that slow breathing training reduces resting sBP, and the objective of the present study was to determine whether it also reduced the blood pressure response to static handgrip exercise. ISH patients aged between 60 and 74 years were randomly divided into a control group (10 subjects, 4 of which were male) that breathed normally and a trained group (10 subjects, 4 of which were male) that trained daily for 8 weeks by slow breathing against an inspiratory resistance of 18 cmH2O...
April 20, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/28422532/effects-of-post-exercise-protein-intake-on-muscle-mass-and-strength-during-resistance-training-is-there-an-optimal-ratio-between-fast-and-slow-proteins
#14
Marina Fabre, Christophe Hausswirth, Eve Tiollier, Odeline Molle, Julien Louis, Alexandre Durguerian, Nathalie Neuveux, Xavier Bigard
While effects of the two classes of proteins found in milk (i.e. soluble proteins, including whey, and casein) on muscle protein synthesis have been well investigated after a single bout of resistance exercise (RE), the combined effects of these two proteins on the muscle responses to resistance training (RT) have not yet been investigated. Therefore, the aim of this study was to examine the effects of protein supplementation varying by the ratio between milk soluble proteins (fast-digested protein) and casein (slow-digested protein) on the muscle to a 9-week RT program...
April 19, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28420905/effects-of-supervised-aerobic-training-on-the-levels-of-anti-mullerian-hormone-and-adiposity-measures-in-women-with-normo-ovulatory-and-polycystic-ovary-syndrome
#15
Einas Al-Eisa, Sami Ali Gabr, Ahmad Hieder Alghadir
OBJECTIVE: To evaluate the change in the levels of anti-Mullerian hormone, adiponectin, weight loss and fertility parameters in obese women with or without polycystic ovary syndrome, following 12 weeks of supervised aerobic exercise. METHODS: This study was conducted from August 2013 to October 2014 among obese women with or without polycystic ovary syndrome referred to Obstetrics and Gynecology clinic, Mansoura University Hospital, Faculty of Medicine, Mansoura, Egypt...
April 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28420826/efficacy-and-safety-of-an-orally-administered-selective-prostacyclin-receptor-agonist-selexipag-in-japanese-patients-with-pulmonary-arterial-hypertension
#16
Nobuhiro Tanabe, Satoshi Ikeda, Nobuhiro Tahara, Keiichi Fukuda, Masaru Hatano, Hiroshi Ito, Tomotaka Nakayama, Toshihisa Anzai, Akiyoshi Hashimoto, Teruo Inoue, Kouji Kajinami, Yasuki Kihara, Hideyuki Kinoshita, Koichiro Kuwahara, Toyoaki Murohara, Osamu Okazaki, Satoshi Sakai, Toru Satoh, Yutaka Takeda, Yasuchika Takeishi, Mitsugu Taniguchi, Hiroshi Watanabe, Takeshi Yamamoto, Keiko Yamauchi-Takihara, Koichiro Yoshioka, Shigetake Sasayama
BACKGROUND: Selexipag is an orally available prostacyclin receptor (IP receptor) agonist with a non-prostanoid structure. In this open-label Phase II trial, the efficacy and safety of selexipag in Japanese patients with pulmonary arterial hypertension (PAH) is examined.Methods and Results:Selexipag was administered at 200 μg twice daily and titrated up to 1,600 μg by increments of 200 μg in 37 subjects to reach the individual maximum tolerated dose. At 16 weeks, in 33 patients comprising the per-protocol set, the pulmonary vascular resistance (PVR; primary endpoint) decreased from 683...
April 18, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28419004/small-sample-sizes-confound-understanding-of-cardiometabolic-responses-to-exercise
#17
Linda S Pescatello, Lauren M L Corso, Hayley V MacDonald, Paul D Thompson, Beth A Taylor, Gregory A Panza, Amanda L Zaleski, Blair T Johnson, Ming Hui Chen
Considerable variability exists in the cardiometabolic disease biomarker response to exercise. We propose a major contributor to this heterogeneity is underpowered studies due to small sample sizes. To test our hypothesis, we conducted a systematic review to identify meta-analyses/reviews of randomized control trials (RCTs) and RCTs that examined the cardiometabolic disease biomarker response to aerobic and resistance exercise.
April 17, 2017: Exercise and Sport Sciences Reviews
https://www.readbyqxmd.com/read/28417093/instability-resistance-training-for-health-and-performance
#18
REVIEW
Erika Zemková
Recently, resistance exercises performed on an unstable surface have become part of athletic training and rehabilitation. Accordingly, their role in performance and health-oriented strength training has increasingly emerged as a matter of interest to researchers and conditioning specialists. A more pronounced activation of stabilizing muscles is assumed to be the main feature of instability resistance exercises. This assumption has been proven by EMG studies, which have highlighted significantly greater electromyographic activity of trunk-stabilizing muscles during exercises under unstable as compared to stable conditions...
April 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28417082/improving-glucose-tolerance-by-muscle-damaging-exercise
#19
Chien-Te Ho, Machiko Otaka, Chia-Hua Kuo
Tissue damage is regarded as an unwanted medical condition to be avoided. However, introducing tolerable tissue damages has been used as a therapeutic intervention in traditional and complementary medicine to cure discomfort and illness. Eccentric exercise is known to cause significant necrosis and insulin resistance of skeletal muscle. The purpose of this study was to determine the magnitude of muscle damage and blood glucose responses during an oral glucose tolerance test (OGTT) after eccentric training in 21 young participants...
April 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28416894/letter-to-the-editor-a-genetic-based-algorithm-for-personalized-resistance-training
#20
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
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