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Resistance weight training

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https://www.readbyqxmd.com/read/29352654/resistance-training-during-a-12-week-protein-supplemented-vlcd-treatment-enhances-weight-loss-outcomes-in-obese-patients
#1
Edward Jo, Phillip R Worts, Marcus L Elam, Ann Frost Brown, Andy V Khamoui, Do-Houn Kim, Ming-Chia Yeh, Michael J Ormsbee, Carla M Prado, Angelina Cain, Katie Snyder, Jeong-Su Kim
BACKGROUND: This investigation evaluated the efficacy by which resistance training enhances body composition, metabolic, and functional outcomes for obese patients undergoing a 12-week medically supervised hypocaloric treatment. METHODS: This was a single-blind, randomized, parallel-group prospective trial. Morbidly obese patients were prescribed a 12-week proprietary very low calorie diet (VLCD) treatment (Optifast®) with supplemental protein (1120 kcals/day) and were placed in one of two groups for 14 weeks: 1) Standard Treatment Control (CON) (n = 5) or 2) Resistance Training (RT) (n = 6)...
December 23, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29339993/functional-and-muscle-size-effects-of-flywheel-resistance-training-with-eccentric-overload-in-professional-handball-players
#2
Sergio Maroto-Izquierdo, David García-López, José A de Paz
The aim of the study was to analyse the effects of 6 week (15 sessions) flywheel resistance training with eccentric-overload (FRTEO) on different functional and anatomical variables in professional handball players. Twenty-nine athletes were recruited and randomly divided into two groups. The experimental group (EXP, n = 15) carried out 15 sessions of FRTEO in the leg-press exercise, with 4 sets of 7 repetitions at a maximum-concentric effort. The control group (CON, n = 14) performed the same number of training sessions including 4 sets of 7 maximum repetitions (7RM) using a weight-stack leg-press machine...
December 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29337833/effects-of-plyometric-and-resistance-training-on-muscle-strength-explosiveness-and-neuromuscular-function-in-young-adolescent-soccer-players
#3
Brandon John McKinlay, Phillip Wallace, Raffy Dotan, Devon Long, Craig Tokuno, David Gabriel, Bareket Falk
This study examined the effect of 8-weeks of free-weight-resistance (RT) and plyometric (PLYO) training on maximal strength, explosiveness and jump performance compared with no added training (CON), in young male soccer players. Forty-one 11[FIGURE DASH]13-year-old soccer players were divided into three groups (RT, PLYO, CON). All participants completed isometric and dynamic (240°/s) knee extensions pre- and post-training. Peak torque (pT), peak rate of torque development (pRTD), electromechanical-delay (EMD), rate of muscle activation (Q50), m...
January 4, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29336621/beta-alanine-does-not-enhance-the-effects-of-resistance-training-in-older-adults
#4
Christopher H Bailey, Joseph F Signorile, Arlette C Perry, Kevin A Jacobs, Nicholas D Myers
To investigate the potential of beta-alanine to increase muscular endurance of elder individuals in specific resistance-training protocols, we randomly assigned 27 participants (60-82 years of age) to a 12-week double-blind intervention using 3.2 g/day beta-alanine or placebo with or without resistance training to determine the effects on anthropometrics, muscular performance, and activities of daily living (ADL). The endurance-based resistance-training program (ERT) was given three times per week and included two sets of 15-25 repetitions on 11 computerized pneumatic machines (alternating upper and lower body) at an intensity of 50% of maximum lifting weight (1RM)...
January 16, 2018: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/29311558/radiogenomic-analysis-of-hypoxia-pathway-is-predictive-of-overall-survival-in-glioblastoma
#5
Niha Beig, Jay Patel, Prateek Prasanna, Virginia Hill, Amit Gupta, Ramon Correa, Kaustav Bera, Salendra Singh, Sasan Partovi, Vinay Varadan, Manmeet Ahluwalia, Anant Madabhushi, Pallavi Tiwari
Hypoxia, a characteristic trait of Glioblastoma (GBM), is known to cause resistance to chemo-radiation treatment and is linked with poor survival. There is hence an urgent need to non-invasively characterize tumor hypoxia to improve GBM management. We hypothesized that (a) radiomic texture descriptors can capture tumor heterogeneity manifested as a result of molecular variations in tumor hypoxia, on routine treatment naïve MRI, and (b) these imaging based texture surrogate markers of hypoxia can discriminate GBM patients as short-term (STS), mid-term (MTS), and long-term survivors (LTS)...
January 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29310617/exercise-training-during-pregnancy-reduces-circulating-insulin-levels-in-overweight-obese-women-postpartum-secondary-analysis-of-a-randomised-controlled-trial-the-etip-trial
#6
Kirsti K Garnæs, Siv Mørkved, Kjell Å Salvesen, Øyvind Salvesen, Trine Moholdt
BACKGROUND: The primary aim was to investigate if supervised exercise training during pregnancy could reduce postpartum weight retention (PPWR) three months after delivery in overweight and obese women. We also measured circulating markers of cardiometabolic health, body composition, blood pressure, and physical activity level. METHODS: This was a secondary analysis of a randomised controlled trial in which 91 women with BMI ≥ 28 kg/m2 were allocated 1:1 to an exercise program or a control group...
January 8, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29299199/swimming-training-alleviated-insulin-resistance-through-wnt3a-%C3%AE-catenin-signaling-in-type-2-diabetic-rats
#7
Qiang Yang, Wen-Wen Wang, Pu Ma, Zhong-Xuan Ma, Meng Hao, Temitope I Adelusi, Lei-Du, Xiao-Xing Yin, Qian Lu
Objectives: Increasing evidence suggests that regular physical exercise improves type 2 diabetes mellitus (T2DM). However, the potential beneficial effects of swimming on insulin resistance and lipid disorder in T2DM, and its underlying mechanisms remain unclear. Materials and Methods: Rats were fed with high fat diet and given a low dosage of Streptozotocin (STZ) to induce T2DM model, and subsequently treated with or without swimming exercise. An 8-week swimming program (30, 60 or 120 min per day, 5 days per week) decreased body weight, fasting blood glucose and fasting insulin...
November 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29290017/weight-bearing-exercise-can-elicit-similar-peak-muscle-activation-as-medium-high-intensity-resistance-exercise-in-elderly-women
#8
Remco J Baggen, Evelien Van Roie, Jaap H van Dieën, Sabine M Verschueren, Christophe Delecluse
PURPOSE: To assess whether stepping-based weight bearing exercise (WBE) can elicit peak activation of upper leg muscles similar to resistance exercise (RE) at an intensity required to induce strength gains in elderly women. METHODS: Muscular activation of several upper leg muscles was measured during RE and WBE in a cohort of 19 healthy elderly women (69.3 ± 3.4 years). WBE consisted of forward and lateral stepping with step heights of 10, 20 and 30 cm. Muscular activation was compared to 60% of one-repetition maximum (1-RM) of congruent RE...
December 30, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29283929/the-effect-of-three-different-maximal-concentric-velocity-squat-protocols-on-mapk-phosphorylation-and-endocrine-responses
#9
Rebecca A Kudrna, Andrew C Fry, Justin X Nicoll, Phillip M Gallagher, Michael R Prewitt
The purpose of this study was to determine the effect of three different back squat protocols on intra-cellular signaling, endocrine responses, and power fatigue. Nine recreationally trained males (X±SD; age: 21.4±0.6yrs; height: 177.8±5.1cm; weight: 78.7±9.7kg), completed three maximal concentric velocity squat protocols in a randomized order. Testing protocols consisted of 5 sets of 10 repetitions at 30% of 1RM; 5 sets of 5 repetitions at 70% of 1RM; and 5 sets of 3 repetitions at 90% of 1RM. Average system power for each set was obtained with a tethered external dynamometer...
December 27, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29247985/slow-movement-resistance-training-using-body-weight-improves-muscle-mass-in-the-elderly-a-randomized-controlled-trial
#10
S Tsuzuku, T Kajioka, H Sakakibara, K Shimaoka
To examine the effect of a 12-week slow movement resistance training using body weight as a load (SRT-BW) on muscle mass, strength, and fat distribution in healthy elderly people. Fifty-three men and 35 women aged 70 years old or older without experience in resistance training participated, and they were randomly assigned to a SRT-BW group or control group. The control group did not receive any intervention, but participants in this group underwent a repeat measurement 12 weeks later. The SRT-BW program consisted of three different exercises (squat, tabletop push-up, and sit-up), which were designed to stimulate anterior major muscles...
December 16, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29244746/effects-of-beetroot-juice-supplementation-on-a-30-s-high-intensity-inertial-cycle-ergometer-test
#11
Raul Domínguez, Manuel Vicente Garnacho-Castaño, Eduardo Cuenca, Pablo García-Fernández, Arturo Muñoz-González, Fernando de Jesús, María Del Carmen Lozano-Estevan, Sandro Fernandes da Silva, Pablo Veiga-Herreros, José Luis Maté-Muñoz
Background: Beetroot juice (BJ) is rich in inorganic nitrates and has proved effective at increasing blood nitric oxide (NO) levels. When used as a supplement BJ has shown an ergogenic effect on cardiorespiratory resistance exercise modalities, yet few studies have examined its impact on high intensity efforts. Objective: To assess the effects of BJ intake on anaerobic performance in a Wingate test. Methods: Fifteen trained men (age 21.46 ± 1.72 years, height 1.78 ± 0.07 cm and weight 76.90 ± 8.67 kg) undertook a 30-s maximum intensity test on an inertial cycle ergometer after drinking 70 mL of BJ (5...
December 15, 2017: Nutrients
https://www.readbyqxmd.com/read/29238244/influence-of-a-thermogenic-dietary-supplement-on-safety-markers-body-composition-energy-expenditure-muscular-performance-and-hormone-concentrations-a-randomized-placebo-controlled-double-blind-trial
#12
Grant M Tinsley, Stacie Urbina, Jacy Mullins, Jordan Outlaw, Sara Hayward, Matt Stone, Cliffa Foster, Colin Wilborn, Lem Taylor
Dietary supplementation is commonly employed by individuals seeking to improve body composition and exercise performance. The purpose of the present study was to examine the safety and effectiveness of a commercially available dietary supplement designed to promote thermogenesis and fat loss. In a randomized double-blind trial, participants were assigned to consume placebo or a multi-ingredient supplement containing caffeine, green tea extract, l-carnitine, evodiamine and other ingredients that purportedly enhance thermogenesis...
December 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29234478/fructose-ingestion-impairs-expression-of-genes-involved-in-skeletal-muscle-s-adaptive-response-to-aerobic-exercise
#13
Natalia Gomes Gonçalves, Stephanie Heffer Cavaletti, Carlos Augusto Pasqualucci, Milton Arruda Martins, Chin Jia Lin
Background: The inverse relationship between exercise capacity and its variation over time and both cardiovascular and all-cause mortality suggests the existence of an etiological nexus between cardiometabolic diseases and the molecular regulators of exercise capacity. Coordinated adaptive responses elicited by physical training enhance exercise performance and metabolic efficiency and possibly mediate the health benefits of physical exercise. In contrast, impaired expression of genes involved in mitochondrial biogenesis or protein turnover in skeletal muscle-key biological processes involved in adaptation to physical training-leads to insulin resistance and obesity...
2017: Genes & Nutrition
https://www.readbyqxmd.com/read/29219895/effect-of-8-week-of-hospital-based-resistance-training-program-on-tcd4-cell-count-and-anthropometric-characteristic-of-hiv-patients-in-tehran-iran-a-randomized-controlled-trial
#14
Morteza Ghayomzadeh, SeyedAhmad SeyedAlinaghi, Mahdieh Molanouri Shamsi, Sajjad Rezaei, Conrad P Earnest, Sima Akbarnejad, Leila Taj, Minoo Mohraz, James Wilfred Navalta, Peyman Ghasemi, Fabrício Azevedo Voltarelli
We examined the effects of an 8 w circuit resistance training (RES) program using elastic bands and body weight on TCD4+ cell counts and anthropometry in HIV patients. Patients (N=21) receiving antiretroviral therapy were randomly assigned to resistance training (RES; n=14) or control group (CON; n=7) groups. RES (3/w) consisted of training with elastic bands and bodyweight training focusing on major muscle groups. CON received standard care. Statistical analyses were performed using general linear models adjusted for age, gender, length of infection and respective baseline measures...
December 6, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29214926/aerobic-training-performed-at-ventilatory-threshold-improves-liver-enzymes-and-lipid-profile-related-to-non-alcoholic-fatty-liver-disease-in-adolescents-with-obesity
#15
Camila Tc de Lira, Marcos Am Dos Santos, Priscyla P Gomes, Yara L Fidelix, Ana Co Dos Santos, Thiago Rs Tenório, Mara C Lofrano-Prado, Wagner L do Prado
BACKGROUND: Despite the positive effects of high-intensity training on weight management and health-related outcomes, it is postulated that high-intensity training may also induce oxidative stress, increasing hepatic damage. AIM: The aim of this study was to compare the effects of low versus high-intensity training on biomarkers related to non-alcoholic fatty liver disease (NAFLD) in adolescents with obesity. METHODS: For this study 107 adolescents (15 ± 1 years) with obesity (BMI = 34...
December 2017: Nutrition and Health
https://www.readbyqxmd.com/read/29212609/effect-of-combined-exercise-versus-aerobic-only-training-on-skeletal-muscle-lipid-metabolism-in-a-rodent-model-of-type1-diabetes
#16
Michelle S Dotzert, Matthew W McDonald, Michael R Murray, J Zachary Nickels, Earl G Noble, C W James Melling
OBJECTIVES: Abnormal skeletal muscle lipid metabolism is associated with insulin resistance in people with type 1 diabetes. Although lipid metabolism is restored with aerobic exercise training, the risk for postexercise hypoglycemia is increased with this modality. Integrating resistance and aerobic exercise is associated with reduced hypoglycemic risk; however, the effects of this exercise modality on lipid metabolism and insulin resistance remain unknown. We compared the effects of combined (aerobic + resistance) versus aerobic exercise training on oxidative capacity and muscle lipid metabolism in a rat model of type 1 diabetes...
December 4, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/29202557/non-alcoholic-fatty-liver-disease-and-lifestyle-modifications-focusing-on-physical-activity
#17
Min-Sun Kwak, Donghee Kim
Non-alcoholic fatty liver disease (NAFLD) is the most common chronic liver disease, and the prevalence of non-alcoholic steatohepatitis (NASH) with fibrosis is increasing as the population with NAFLD ages. To date, lifestyle modifications including weight loss, increased physical activity, and dietary changes remain the treatment of choice for NAFLD because there are no approved effective pharmacologic agents. Increased physical activity has therapeutic effects on NAFLD by reducing hepatic fat independent of weight reduction...
December 6, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29200908/ursolic-acid-supplementation-decreases-markers-of-skeletal-muscle-damage-during-resistance-training-in-resistance-trained-men-a-pilot-study
#18
Hyun Seok Bang, Dae Yun Seo, Young Min Chung, Do Hyung Kim, Sam-Jun Lee, Sung Ryul Lee, Hyo-Bum Kwak, Tae Nyun Kim, Min Kim, Kyoung-Mo Oh, Young Jin Son, Sanghyun Kim, Jin Han
Ursolic acid (UA) supplementation was previously shown to improve skeletal muscle function in resistance-trained men. This study aimed to determine, using the same experimental paradigm, whether UA also has beneficial effects on exercise-induced skeletal muscle damage markers including the levels of cortisol, B-type natriuretic peptide (BNP), myoglobin, creatine kinase (CK), creatine kinase-myocardial band (CK-MB), and lactate dehydrogenase (LDH) in resistance-trained men. Sixteen healthy participants were randomly assigned to resistance training (RT) or RT+UA groups (n=8 per group)...
November 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/29185588/fasting-a-major-limitation-for-resistance-exercise-training-effects-in-rodents
#19
W das Neves, L F de Oliveira, R P da Silva, C R R Alves, A H Lancha
Protocols that mimic resistance exercise training (RET) in rodents present several limitations, one of them being the electrical stimulus, which is beyond the physiological context observed in humans. Recently, our group developed a conditioning system device that does not use electric shock to stimulate rats, but includes fasting periods before each RET session. The current study was designed to test whether cumulative fasting periods have some influence on skeletal muscle mass and function. Three sets of male Wistar rats were used in the current study...
November 17, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29177076/effectiveness-and-efficiency-of-different-weight-machine-based-strength-training-programmes-for-patients-with-hip-or-knee-osteoarthritis-a-protocol-for-a-quasi-experimental-controlled-study-in-the-context-of-health-services-research
#20
Inga Krauss, Gerhard Müller, Benjamin Steinhilber, Georg Haupt, Pia Janssen, Peter Martus
Introduction: Osteoarthritis is a chronic musculoskeletal disease with a major impact on the individual and the healthcare system. As there is no cure, therapy aims for symptom release and reduction of disease progression. Physical exercises have been defined as a core treatment for osteoarthritis. However, research questions related to dose response, sustainability of effects, economic efficiency and safety are still open and will be evaluated in this trial, investigating a progressive weight machine-based strength training...
2017: BMJ Open Sport & Exercise Medicine
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