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https://www.readbyqxmd.com/read/28633001/impact-of-4-weeks-of-interval-training-on-resting-metabolic-rate-fitness-and-health-related-outcomes
#1
Matthew M Schubert, Holly E Clarke, Rebekah F Seay, Katie K Spain
PURPOSE: Resting metabolic rate (RMR) and substrate oxidation (RER) are important indicators of health. The effects of interval training on RMR have not been thoroughly investigated, which was the purpose of the present study. METHODS: Thirty men and women (mean ± SD age and VO2max: 28.8 ± 7.6 yrs and 33.0 ± 8.3 mL∙kg-1∙min-1) completed 4 weeks of Wingate-based sprint interval training (SIT), repeated 1-minute high-intensity intervals (HIIT), or served as controls (CON)...
June 20, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28606773/muscle-activation-during-resistance-training-with-no-external-load-effects-of-training-status-movement-velocity-dominance-and-visual-feedback
#2
Paulo Gentil, Martim Bottaro, Matias Noll, Scott Werner, Jessica Cabral Vasconcelos, Aldo Seffrin, Mario Hebling Campos
OBJECTIVES: To explore the acute effects of training status, movement velocity, dominance, and visual feedback on muscle activation and rating of perceived exertion (RPE) during resistance training with no external load (no-load resistance training; NLRT). METHODS: Thirty-three men (17 untrained and 16 trained), performed elbow flexions in four NLRT sessions: 1) slow velocity with EMG visual feedback, 2) slow velocity without EMG visual feedback, 3) fast velocity with EMG feedback, and 4) fast velocity without EMG feedback...
June 9, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28601003/finding-the-optimal-volume-and-intensity-of-resistance-training-exercise-for-type-2-diabetes-the-forte-study-a-randomized-trial
#3
Pearl Yang, Walter Swardfager, Daniel Fernandes, Sheila Laredo, George Tomlinson, Paul I Oh, Scott Thomas
AIM: To compare different volumes and intensities of resistance training (RT) combined with aerobic training (AT) for improvements in glycemic control and cardiovascular health for persons with type 2 diabetes (T2DM). METHODS: Participants with T2DM were stratified by HbA1c and randomized: "usual care" (RT1), which consisted of moderate intensity (50% 1-repetition maximum [1-RM]), low volumeRT (initiated half-way through program); higher intensity (75% 1-RM) and higher volume (initiated at program onset) RT (RT2); or moderate intensity but higher volume RT (RT3)...
May 19, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28597102/effects-of-progressive-resistance-training-and-weight-loss-versus-weight-loss-alone-on-inflammatory-and-endothelial-biomarkers-in-older-adults-with-type-2-diabetes
#4
Eliza G Miller, Parneet Sethi, Caryl A Nowson, David W Dunstan, Robin M Daly
PURPOSE: Type 2 diabetes has been associated with an increase in inflammatory and endothelial biomarkers, which are associated with an increased risk of cardiovascular disease and diabetes-related complications. This study examined the effects of high-intensity progressive resistance training (PRT) with moderate weight loss (WL) versus WL alone on inflammatory and endothelial biomarkers in older overweight adults with type 2 diabetes. METHODS: This was a 12-month randomized controlled trial in which 36 inactive, overweight adults aged 60-80 years with poorly controlled type 2 diabetes were randomized to 6 months of supervised PRT + WL or stretching (sham) exercise plus WL followed by 6 months of home-training without dietary modification...
June 8, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28596267/adaptations-of-motoneuron-properties-after-weight-lifting-training-in-rats
#5
Piotr Krutki, Włodzimierz Mrówczyński, Marcin Bączyk, Dawid Łochyński, Jan Celichowski
Resistance training, with repeated short-term and high-intensity exercises, is responsible for an increase in muscle mass and force. The aim of this study was to determine whether such training induces adaptations in the electrophysiological properties of motoneurons innervating the trained muscles and to relate these adaptive changes to previous observations made on motor unit contractile properties. The study was performed on adult male Wistar rats. Animals from the training group were subjected to a five-week voluntary progressive weight-lifting program, while control rats were restricted to standard cage activity...
June 8, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28576629/robotic-resistance-treadmill-training-improves-locomotor-function-in-children-with-cerebral-palsy-a-randomized-controlled-pilot-study
#6
Ming Wu, Janis Kim, Deborah J Gaebler-Spira, Brian D Schmit, Pooja Arora
OBJECTIVE: To determine whether applying controlled resistance forces to the legs during the swing phase of gait may improve the efficacy of treadmill training compared to applying controlled assistance forces in children with cerebral palsy (CP). DESIGN: Randomized controlled study. SETTING: Research unit of rehabilitation hospital. PARTICIPANTS: Children with spastic CP (n = 23, average age 10.6 years old, ranged from 6-14, GMFCS levels: I to IV)...
May 30, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28552022/international-infectious-diseases-teaching-to-undergraduate-medical-students-a-successful-european-collaborative-experience
#7
Caroline Charlier, Ingólfur Johannessen, Claire L Mackintosh, David Wilks, Roberto Cauda, Federica I Wolf, Claire Le Jeunne
CONTEXT: The emerging global-health paradigm requires medical teaching to be continuously redefined and updated; to this end, transnational approaches should be encouraged and medical training harmonized. Infectious diseases (ID) teaching in the current context of emerging infections, fast-increasing bacterial resistance and large-scale human migration, was chosen to develop a common international course. OBJECTIVE: We report the successful implementation of a joint European undergraduate course aiming to (i) develop a common ID core curriculum among European medical schools; (ii) promote mobility among teachers and students (iii) promote international cooperation among European teachers...
May 27, 2017: Medical Teacher
https://www.readbyqxmd.com/read/28547918/exercise-with-weight-loss-improves-adipose-tissue-and-skeletal-muscle-markers-of-fatty-acid-metabolism-in-postmenopausal-women
#8
Heidi K Ortmeyer, Andrew P Goldberg, Alice S Ryan
OBJECTIVE: The effects of 6-month weight loss (WL) versus aerobic exercise training (AEX)+WL on fat and skeletal muscle markers of fatty acid metabolism were determined in normal (NGT) and impaired (IGT) glucose tolerant African-American and Caucasian postmenopausal women with overweight/obesity. METHODS: Fat (gluteal and abdominal) lipoprotein lipase (LPL), skeletal muscle LPL, acyl-CoA synthase (ACS), ß-hydroxacyl-CoA dehydrogenase, carnitine palmitoyltransferase (CPT-1), and citrate synthase (CS) activities were measured at baseline (n = 104) and before and after WL (n = 34) and AEX+WL (n = 37)...
May 26, 2017: Obesity
https://www.readbyqxmd.com/read/28525437/feasibility-and-parental-acceptability-of-an-8-week-slow-speed-high-intensity-community-based-resistance-training-program-for-preadolescent-children
#9
Sarah L Mullane, Vincent B Bocchicchio, Noe C Crespo
High-intensity resistance training (RT) shows promise for improved cardiometabolic health in children. Achieving high-intensity RT safely is a challenge for community-based programs because of parental concerns and group engagement. Twenty preadolescent children completed an 8-week, twice per week program using slow speed to achieve high-intensity RT. Parent and child surveys were conducted to measure acceptability and effectiveness. Child fitness levels were assessed, and fasting blood draws and dual-energy x-ray absorptiometry were performed on a subset population...
July 2017: Family & Community Health
https://www.readbyqxmd.com/read/28512155/functional-high-intensity-training-improves-pancreatic-%C3%AE-cell-function-in-adults-with-type-2-diabetes
#10
Stephan Nieuwoudt, Ciarán E Fealy, Julie A Foucher, Amanda R Scelsi, Steven K Malin, Mangesh R Pagadala, Michael Rocco, Bartolome Burguera, John P Kirwan
Type 2 diabetes (T2D) is characterized by reductions in β-cell function and insulin secretion on the background of elevated insulin resistance. Aerobic exercise has been shown to improve β-cell function, despite a subset of T2D patients displaying "exercise resistance". Further investigations into the effectiveness of alternate forms of exercise on β-cell function in the T2D patient population are needed. We examined the effect of a novel 6-week CrossFit™ Functional High Intensity Training (F-HIT) intervention on β-cell function in 12 sedentary adults with clinically diagnosed T2D (54±2 years, 166±16 mg/dL fasting glucose)...
May 16, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28483427/association-between-muscle-function-and-body-composition-vitamin-d-status-and-blood-glucose-in-postmenopausal-women-with-type-2-diabetes
#11
Claudio M Bentes, Pablo B Costa, Monique Resende, Humberto L Miranda, Carolina M V Silva, Claudia C Netto, Lizanka P F Marinheiro
AIMS: The aim of this study was to examine the association between muscle function, and body composition, vitamin D status, and blood glucose in post-menopausal women with type 2 diabetes (T2D). METHODS: Forty post-menopausal women (62.48±7.67years; 154.6±5.11cm; 73.93±15.43kg; 31.13±5.82 BMI kg/m(2)) with a diagnosis of T2D participated in this cross-sectional study. The patients performed fasting blood sample exams, anthropometrics assessments, body composition, and clinical exams...
April 28, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28482762/power-training-in-chronic-stroke-individuals-differences-between-responders-and-nonresponders
#12
Stacey E Aaron, Jennifer L Hunnicutt, Aaron E Embry, Mark G Bowden, Chris M Gregory
BACKGROUND: Lower extremity muscle weakness is a primary contributor to post-stroke dysfunction. Resistance training is an effective treatment for hemiparetic weakness and improves walking performance. Post-stroke subject characteristics that do or do not improve walking speed following resistance training are unknown. OBJECTIVE: The purpose of this paper was to describe baseline characteristics, as well as responses to training, associated with achieving a minimal clinically important difference (MCID) in walking speed (≥0...
May 8, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/28469560/hcn-channel-modulation-of-synaptic-integration-in-gabaergic-interneurons-in-malformed-rat-neocortex
#13
Asher J Albertson, Andrew S Bohannon, John J Hablitz
Cortical malformations are often associated with pharmaco-resistant epilepsy. Alterations in hyperpolarization-activated, cyclic nucleotide-gated, non-specific cation (HCN) channels have been shown to contribute to malformation associated hyperexcitability. We have recently demonstrated that expression of HCN channels and Ih current amplitudes are reduced in layer (L) 5 pyramidal neurons of rats with freeze lesion induced malformations. These changes were associated with an increased EPSP temporal summation...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28458804/nutrition-pharmacological-and-training-strategies-adopted-by-six-bodybuilders-case-report-and-critical-review
#14
Paulo Gentil, Claudio Andre Barbosa de Lira, Antonio Paoli, José Alexandre Barbosa Dos Santos, Roberto Deivide Teixeira da Silva, José Romulo Pereira Junior, Edson Pereira da Silva, Rodrigo Ferro Magosso
The purpose of this study was to report and analyze the practices adopted by bodybuilders in light of scientific evidence and to propose evidence-based alternatives. Six (four male and two female) bodybuilders and their coaches were directly interviewed. According to the reports, the quantity of anabolic steroids used by the men was 500-750 mg/week during the bulking phase and 720-1160 mg during the cutting phase. The values for women were 400 and 740 mg, respectively. The participants also used ephedrine and hydrochlorothiazide during the cutting phase...
February 24, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/28443029/superior-effects-of-eccentric-to-concentric-knee-extensor-resistance-training-on-physical-fitness-insulin-sensitivity-and-lipid-profiles-of-elderly-men
#15
Trevor Chung-Ching Chen, Wei-Chin Tseng, Guan-Ling Huang, Hsin-Lian Chen, Kuo-Wei Tseng, Kazunori Nosaka
It has been reported that eccentric training of knee extensors is effective for improving blood insulin sensitivity and lipid profiles to a greater extent than concentric training in young women. However, it is not known whether this is also the case for elderly individuals. Thus, the present study tested the hypothesis that eccentric training of the knee extensors would improve physical function and health parameters (e.g., blood lipid profiles) of older adults better than concentric training. Healthy elderly men (60-76 years) were assigned to either eccentric training or concentric training group (n = 13/group), and performed 30-60 eccentric or concentric contractions of knee extensors once a week...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28431618/muscle-strength-and-power-in-persons-with-multiple-sclerosis-a-systematic-review-and-meta-analysis
#16
REVIEW
Mlk Jørgensen, U Dalgas, I Wens, L G Hvid
BACKGROUND: Multiple sclerosis (MS) is a chronic disease in the central nervous system which causes a number of physical symptoms including impairments of muscle mechanical function (muscle strength, muscle power and explosive muscle strength (~rate of force development, RFD)). However, a full overview of the existing knowledge regarding muscle mechanical function in persons with MS (PwMS) is still pending. OBJECTIVES: To systematically review 1) the psychometric properties of isokinetic dynamometry testing in PwMS, and 2) studies comparing muscle mechanical function in PwMS to matched healthy controls (HC)...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28424468/effect-of-handgrip-on-coronary-artery-disease-and-myocardial-infarction-a-mendelian-randomization-study
#17
Lin Xu, Yuan Tao Hao
Observational studies have reported an association of handgrip strength with risk of cardiovascular disease. However, residual confounding and reverse causation may have influenced these findings. A Mendelian randomization (MR) study was conducted to examine whether handgrip is causally associated with cardiovascular disease. Two single nucleotide polymorphisms (SNPs), rs3121278 and rs752045, were used as the genetic instruments for handgrip. The effect of each SNP on coronary artery disease/myocardial infarction (CAD/MI) was weighted by its effect on handgrip strength, and estimates were pooled to provide a summary measure for the effect of increased handgrip on risk of CAD/MI...
April 19, 2017: Scientific Reports
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
#18
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
#19
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/28386566/irisin-a-potential-link-between-physical-exercise-and-metabolism-an-observational-study-in-differently-trained-subjects-from-elite-athletes-to-sedentary-people
#20
Stefano Benedini, Elena Dozio, Pietro Luigi Invernizzi, Elena Vianello, Giuseppe Banfi, Ileana Terruzzi, Livio Luzi, Massimiliano Marco Corsi Romanelli
We compared irisin levels among groups of differently trained healthy individuals to explore the role of irisin as a physiological linker between exercise and metabolic health. Irisin and biochemical parameters of glucose and lipid metabolism were assessed in 70 healthy volunteers stratified for sport performance level into four groups: (1) 20 elite athletes of national level, (2) 20 subelite athletes of local level, (3) 20 recreational athletes, and (4) 10 sedentary subjects. All biochemical parameters were within the ranges of normality...
2017: Journal of Diabetes Research
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