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Resistance training

Johan A Snoek, Thijs M H Eijsvogels, Arnoud W J van 't Hof, Eva Prescott, Maria T Hopman, Evelien Kolkman, Ed P de Kluiver
INTRODUCTION: Although exercise therapy has the potential to improve health outcomes of patients with Chronic Heart Failure (CHF), less than 50% of patients adhere to prescribed physical activity guidelines one year after Cardiac Rehabilitation (CR). We aimed to assess the effects of an extended CR program with 12-months of Graded Exercise Therapy (GET) and resistance exercise training (RT) on exercise capacity and long-term survival in patients with CHF. METHODS: This prospective cohort study included sixty CHF patients between 2009 and 2010...
June 21, 2018: Medicine and Science in Sports and Exercise
Akihiro Sakamoto, Akihiro Kuroda, Peter James Sinclair, Hisashi Naito, Kazuhiko Sakuma
PURPOSE: Maximum force exertion against various resistance levels (heavy-light) is commonly implemented to improve both strength- and speed-oriented components of power. Medium-light resistances allow rapid accelerations, yet incur significant decelerations in the later concentric phase to bring the bar to a halt, which may limit the concentric effort and, therefore, the effectiveness of training. Accordingly, ballistic actions have been recommended. This study evaluated the effectiveness of power bench press training, with the bar thrown on a Smith machine (BPthrow ) or without throwing (BPnon-throw ), for developing strength and shot put distance...
June 21, 2018: European Journal of Applied Physiology
Mette L K Schmidt, Peter Østergren, Prue Cormie, Anne-Mette Ragle, Jens Sønksen, Julie Midtgaard
PURPOSE: Regular exercise is recommended to mitigate the adverse effects of androgen deprivation therapy in men with prostate cancer. The purpose of this study was to explore the experience of transition to unsupervised, community-based exercise among men who had participated in a hospital-based supervised exercise programme in order to propose components that supported transition to unsupervised exercise. METHODS: Participants were selected by means of purposive, criteria-based sampling...
June 21, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
Stefan Thomas, Jan Behmann, Angelina Steier, Thorsten Kraska, Onno Muller, Uwe Rascher, Anne-Katrin Mahlein
Background: Phenotyping is a bottleneck for the development of new plant cultivars. This study introduces a new hyperspectral phenotyping system, which combines the high throughput of canopy scale measurements with the advantages of high spatial resolution and a controlled measurement environment. Furthermore, the measured barley canopies were grown in large containers (called Mini-Plots), which allow plants to develop field-like phenotypes in greenhouse experiments, without being hindered by pot size...
2018: Plant Methods
Mahdi Parsaei, Ahmad Reisi, Adel Spotin, Abbas Shahbazi, Mahmoud Mahami-Oskouei, Teimour Hazratian, Alireza Salimi Khorashad, Jalal Zaman, Ahad Bazmani, Sedighe Sarafraz
The rising use of sulfadoxine/pyrimethamine (SP) in the treatment of chloroquine (CQ)-resistant Plasmodium falciparum has resulted in increased exposure to P. vivax isolates in Iran, where both species are being circulated. In this investigation, the frequency of pvdhfr and pvmdr-1 mutants was assessed in P. vivax strains during 2001-2016 after the introduction of SP/CQ in malarious areas of Iran. The P. vivax isolates (n, 52) were obtained from autochthonous samples in Southeast Iran during 2015-2016. The genomic DNA was extracted and examined using nested polymerase chain reaction-(PCR) and sequencing...
June 18, 2018: Infection, Genetics and Evolution
Callum G Brownstein, Paul Ansdell, Jakob Škarabot, Ash Frazer, Dawson Kidgell, Glyn Howatson, Stuart Goodall, Kevin Thomas
NEW FINDINGS: What is the central question of this study? In order to discern information about testing modalities when assessing neuroplastic responses to squat resistance training, the present study investigated whether corticospinal and intracortical function was different between a joint-angle matched isometric squat, and isometric knee extension. What is the main finding and its importance? The present data shows poor agreement of corticospinal and intracortical function between the isometric squat and isometric knee extension...
June 21, 2018: Experimental Physiology
Gislaine S Kogure, Rafael C Silva, Cristiana L Miranda-Furtado, Victor B Ribeiro, Daiana C C Pedroso, Anderson S Melo, Rui A Ferriani, Rosana Maria Dos Reis
Kogure, GS, Silva, RC, Miranda-Furtado, CL, Ribeiro, VB, Pedroso, DCC, Melo, AS, Ferriani, RA, and Reis, RMd. Hyperandrogenism enhances muscle strength after progressive resistance training, independent of body composition, in women with polycystic ovary syndrome. J Strength Cond Res XX(X): 000-000, 2018-The effects of resistance exercise on muscle strength, body composition, and increase in cross-sectional area of skeletal muscle (hypertrophy) were evaluated in women with polycystic ovary syndrome (PCOS). This case-control study included 45 PCOS and 52 non-PCOS women, with age between 18-37 years and body mass index of 18-39...
June 20, 2018: Journal of Strength and Conditioning Research
Brad J Schoenfeld, Brett S Nickerson, Colin D Wilborn, Stacie L Urbina, Sara B Hayward, James Krieger, Alan A Aragon, Grant M Tinsley
Schoenfeld, BJ, Nickerson, BS, Wilborn, CD, Urbina, SL, Hayward, SB, Krieger, J, Aragon, AA, and Tinsley, G. Comparison of multifrequency bioelectrical impedance vs. dual-energy x-ray absorptiometry for assessing body composition changes after participation in a 10-week resistance training program. J Strength Cond Res XX(X): 000-000, 2018-The purpose of this study was to assess the ability of multifrequency bioelectrical impedance analysis (MF-BIA) to determine alterations in total and segmental body composition across a 10-week resistance training (RT) program in comparison with the criterion reference dual-energy X-ray absorptiometry (DXA)...
June 20, 2018: Journal of Strength and Conditioning Research
Glenn D Walters
The current study sought to determine whether resistance to peer pressure contributes to crime desistance by inhibiting proactive criminal thinking (moral disengagement), a social-cognitive variable that has been found to mediate the peer influence effect. Using data from the Pathways to Desistance study ( N = 1,354), resistance to peer influence and peer delinquency were tested as predictors of subsequent offending when participants were 18, 19, and 20 years of age. Whereas peer delinquency (PD) facilitated future offending by increasing moral disengagement (MD), peer resistance inhibited future offending by decreasing moral disengagement...
June 21, 2018: Law and Human Behavior
Pedro E Alcaraz, Jorge Carlos-Vivas, Bruno O Oponjuru, Alejandro Martínez-Rodríguez
BACKGROUND: Sprinting is key in the development and final results of competitions in a range of sport disciplines, both individual (e.g., athletics) and team sports. Resisted sled training (RST) might provide an effective training method to improve sprinting, in both the acceleration and the maximum-velocity phases. However, substantial discrepancies exist in the literature regarding the influence of training status and sled load prescription in relation to the specific components of sprint performance to be developed and the phase of sprint...
June 20, 2018: Sports Medicine
Charlotte Scheerens, Luc Deliens, Simon Van Belle, Guy Joos, Peter Pype, Kenneth Chambaere
Early integration of palliative home care (PHC) might positively affect people with chronic obstructive pulmonary disease (COPD). However, PHC as a holistic approach is not well integrated in clinical practice at the end-stage COPD. General practitioners (GPs) and community nurses (CNs) are highly involved in primary and home care and could provide valuable perspectives about barriers to and facilitators for early integrated PHC in end-stage COPD. Three focus groups were organised with GPs (n = 28) and four with CNs (n = 28), transcribed verbatim and comparatively analysed...
June 20, 2018: NPJ Primary Care Respiratory Medicine
Lori L Ploutz-Snyder, Meghan Downs, Elizabeth Goetchius, Brent Crowell, Kirk L English, Robert Ploutz-Snyder, Jeffrey Ryder, E Lichar Dillon, Melinda Sheffield-Moore, Jessica M Scott
INTRODUCTION: This study investigated the safety and effectiveness of a new integrated aerobic and resistance exercise training prescription (SPRINT) using two different sets of exercise equipment: a suite of large ISS-like exercise equipment similar to what is found on the International Space Station (ISS) and a single device with aerobic and resistance exercise capability in the spaceflight analog of bed rest (BR). METHODS: Subjects (n=34) completed 70 days of 6° head down tilt BR: 9 were randomized to remain sedentary (CONT), 9 to exercise training using traditional equipment (EX), 8 to exercise using traditional equipment and low dose testosterone supplementation (ExT), and 8 to exercise using a combined resistance and aerobic flywheel device (FLY)...
March 26, 2018: Medicine and Science in Sports and Exercise
Guilherme Medeiros de Alvarenga, Simone Arando Charkovski, Larissa Kelin Dos Santos, Mayara Alves Barbosa da Silva, Guilherme Oliveira Tomaz, Humberto Remigio Gamba
OBJECTIVE: Aging is progressive, and its effects on the respiratory system include changes in the composition of the connective tissues of the lung that influence thoracic and lung compliance. The Powerbreathe® K5 is a device used for inspiratory muscle training with resistance adapted to the level of the inspiratory muscles to be trained. The Pilates method promotes muscle rebalancing exercises that emphasize the powerhouse. The aim of this study was to evaluate the influence of inspiratory muscle training combined with the Pilates method on lung function in elderly women...
2018: Clinics
Estelle De Groote, Florian A Britto, Loïc Bullock, Marie François, Carine De Buck, Henri Nielens, Louise Deldicque
PURPOSE: To test whether environmental hypoxia could potentiate the effects of exercise training on glucose metabolism and insulin sensitivity. METHODS: Fourteen adolescents with obesity were assigned to 6 weeks of exercise training either in normoxic or in hypoxic conditions (FiO2 15%). Adolescents trained 3x/w for 50-60min, including endurance and resistance exercises. Oral glucose tolerance test (OGTT), blood and morphological analyses as well as physical performance tests were performed before and after the training period...
June 20, 2018: Medicine and Science in Sports and Exercise
Michal Wilk, Artur Golas, Petr Stastny, Monika Nawrocka, Michal Krzysztofik, Adam Zajac
Volume and intensity of exercise are the basic components of training loads, having a direct impact on adaptive patterns. Exercise volume during resistance training has been conventionally evaluated as a total number of repetitions performed in each set, regardless of the time and speed of performing individual exercises. The aim of this study was to evaluate the effect of varied tempos i.e. regular (REG) 2/0/2/0, medium (MED) 5/0/3/0 and slow (SLO) 6/0/4/0 during resistance exercise on training volume, based on the total number of performed repetitions (REPsum1-5 ) and time under tension (TUTsum1-5 )...
June 2018: Journal of Human Kinetics
Kai Shiau, Te Hung Tsao, Chang Bin Yang
This study examined the effects of one single bout daily versus triple bouts of resistance exercise for 12 weeks on muscular strength and anaerobic performance of the upper body. Twenty young male adults (age: 22.0 ± 1.0 years, bench press: 44.0 ± 10.3 kg) were randomly assigned to a single bout (SB) or triple bouts (TB) of resistance exercise group. Maximal strength and anaerobic performance of the upper body using the bench press (one-repetition maximum) and the modified 30 s Wingate test were determined before and after the intervention...
June 2018: Journal of Human Kinetics
Nuno Batalha, Sónia Dias, Daniel A Marinho, José A Parraca
The continuous execution of swimming techniques, supported mainly by the upper limbs, may cause shoulder rotator muscle imbalances, which leads to injuries. The aim of this study was to evaluate and compare the effects of two training programs on strength, balance and endurance of shoulder rotator cuff muscles in youth swimmers. Twenty-five male swimmers were evaluated and randomly divided into two groups - the land group (n = 13), which conducted a conventional dry-land training program with elastic bands, and the water group (n = 12), which conducted a water resistance program...
June 2018: Journal of Human Kinetics
Roland van den Tillaar, Atle Hole Saeterbakken
The purpose of this study was to compare core muscle activation during a prone bridge (plank) until failure and 6-RM back squats. Twelve resistance-trained males (age 23.5 ± 2.6 years, body mass 87.8 ± 21.3 kg, body height 1.81 ± 0.08 m) participated in this study. Total exercise time and EMG activity of the rectus abdominis, external abdominal oblique and erector spinae were measured during 6-RM back squats and a prone bridge with a weight of 20% of participants' body mass on their lower back. The main findings showed non-significant differences between the exercises in the rectus abdominis or external oblique, but greater erector spinae activation in squatting...
June 2018: Journal of Human Kinetics
Paulo H Marchetti, Mauro A Guiselini, Josinaldo J da Silva, Raymond Tucker, David G Behm, Lee E Brown
In-line and traditional lunge exercises present differences in technique as lower limb positioning (anterioposterior), and medio-lateral (ML) balance may differentially affect primary and stabilizer muscles. The purposes of this study were to examine ML balance and muscle activation in anterior and posterior leg positions between in-line and traditional lunge exercises. Fifteen young, healthy, resistance-trained men (25 ± 5 years) performed 2 different lunge exercises (in-line and traditional) at their 10 repetition maximum in a randomized, counterbalanced fashion...
June 2018: Journal of Human Kinetics
Sanjay Kalra, Yatan Pal Singh Balhara, Komal Verma, Bharti Kalra
Diabetes distress - commonly encountered as a part of life with diabetes mellitus - can be effectively managed by coping skills training. Systematic assessment and documentation of the existing coping skills (and lack thereof) is a pre-requisite for planning such coping skills training. A six-item tool, the GlucoCoper - which assesses two negative (resistance, blame) and four positive (acceptance, optimism, planning and action) coping mechanisms - was administered to English-literate adult participants with type 2 diabetes (T2DM) at an endocrine centre in India...
April 2018: European Endocrinology
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