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Resistance weight training

Marlene J Schulte, Jody L Clasey, Bradley S Fleenor, Haley C Bergstrom
There are conflicting suggestions regarding the most valid resistance (3-5% of body weight) to use for the critical power (CP) 3-min all-out (CP3min ) test to estimate CP and anaerobic work capacity (AWC). The purpose of this study was to determine if the CP and AWC estimates from the CP3min test were affected by the percentage of body weight used to set the resistance on a Monark cycle ergometer. Ten recreationally trained participants (mean ± SD: Age: 22.2 ± 2.2 yrs.) completed the CP3min test at resistances of 4...
2018: International Journal of Exercise Science
Jonathan S Howard, Cherilyn N McLester, Thomas W Evans, John R McLester, Jimmy P Calloway
The PhysioFlow™ is a piece of equipment that uses bioimpedance cardiography to measure central hemodynamics. The purpose of this research was to explore the novel approach of monitoring central hemodynamics during free weight resistance exercise using bioimpedance cardiography throughout a 5 repetition maximum (5RM). Thirty participants ranging from beginner to advanced lifters (16 males and 14 females) completed a 5RM for back squat, seated push press, and bicep curl while connected to the PhysioFlow™ to assess the response of heart rate (HR), stroke volume (SV), cardiac output (Q), and ejection fraction (EF)...
2018: International Journal of Exercise Science
Fabiano F Lima, Carlos A Camillo, Luis A Gobbo, Iara B Trevisan, Wesley B B M Nascimento, Bruna S A Silva, Manoel C S Lima, Dionei Ramos, Ercy M C Ramos
The objectives of the study were to compare the effects of resistance training using either a low cost and portable elastic tubing or conventional weight machines on muscle force, functional exercise capacity, and health-related quality of life (HRQOL) in middle-aged to older healthy adults. In this clinical trial twenty-nine middle-aged to older healthy adults were randomly assigned to one of the three groups a priori defined: resistance training with elastic tubing (ETG; n = 10), conventional resistance training (weight machines) (CTG; n = 9) and control group (CG, n = 10)...
March 2018: Journal of Sports Science & Medicine
Samuel T Orange, Phil Marshall, Leigh A Madden, Rebecca V Vince
This study compared the effects of a 4-week supervised (SUP) and unsupervised (UNSUP) resistance training programme followed by 12 weeks of detraining (DET). Thirty-six healthy aging adults (age: 53.6 ± 3.6 years; body mass index: 28.3 ± 5.1 kg/m) were randomly allocated to a SUP group (n = 17) or an UNSUP group (n = 19). Participants completed three training sessions per week using resistance bands and body weight movements. Measures of physical performance were administered at baseline, at the end of the training programme, and after the DET period...
March 6, 2018: Journal of Strength and Conditioning Research
Sandro Bartolomei, Federico Nigro, Sandro Ruggeri, Ivan Malagoli Lanzoni, Simone Ciacci, Franco Merni, Eliahu Sadres, Jay R Hoffman, Gabriele Semprini
The purpose of the present study was to validate the ballistic push-up test performed with hands on a force plate (BPU) as a method to measure upper-body power. Twenty-eight experienced resistance trained men (age = 25.4 ± 5.2 y; body mass = 78.5 ± 9.0 kg; body height = 179.6 ± 7.8 cm) performed, two days apart, a bench press 1RM test and upper-body power tests. Mean power and peak power were assessed using the bench press throw test (BT) and the BPU test performed in randomized order. The area under the force/power curve (AUC) obtained at BT was also calculated...
March 6, 2018: Journal of Strength and Conditioning Research
Samuel L Buckner, Matthew B Jessee, Scott J Dankel, Kevin T Mattocks, Takashi Abe, Jeremy P Loenneke
Resistance exercise is typically performed to increase both muscle size and strength and is regularly incorporated into training programs for sports performance. Presumably, the exercise would be expected to increase the force producing capabilities of skeletal muscle, which may have subsequent influence on various sports related abilities. Interestingly, few studies are designed to examine sports related benefits of resistance exercise while including a proper control group to account for adaptations to simply performing the sports related task...
April 2018: Medical Hypotheses
Alastair Ross Jordan, David Claxton, Alison Purvis, Andrew Barnes, Mary Fysh
The vertical treadmill (VertiRun) is an unresearched mode of exercise where users engage in a "running-like" action whilst body weight is supported by a recumbent bench and overhanging resistance cables are tethered to the user's ankles. The purpose of this study was to determine the effects of training on a VertiRun and any cross-training effect on running performance. Thirty active males (age, 22±4 years; stature, 1.79±0.08 m; body mass, 78.5±12.6 kg) volunteered for this study. Participants' aerobic and anaerobic running performance were determined by incremental maximum rate of oxygen consumption (VO2max) treadmill test and a maximum anaerobic running test (MART), respectively...
February 2018: Journal of Exercise Rehabilitation
Mansueto Gomes Neto, Filipe Ferrari Ribeiro de Lacerda, Antonio Alberto Lopes, Bruno Prata Martinez, Micheli Bernardone Saquetto
OBJECTIVE: To determine the effects of different intradialytic exercise training modalities on physical functioning and health-related quality of life of maintenance hemodialysis patients. METHODS: We searched MEDLINE, Cochrane Trials Register and CINAHL for controlled trials that evaluated the effects of intradialytic exercise training for maintenance hemodialysis patients and published from the earliest available date to December 2017. Weighted mean difference and 95% confidence interval (CI) were calculated, and heterogeneity was assessed using the I2 test...
February 1, 2018: Clinical Rehabilitation
Kamal Ranjbar, Ebrahim Zarrinkalam, Iraj Salehi, Alireza Komaki, Bayan Fayazi
Discovering an effective approach to limit infarction size after ischemia-reperfusion has a clinical importance in diabetics. We investigated the anti-myocardial ischemia-reperfusion injury effect of resistance training and Crataegus oxyacantha extract on diabetic rats. To this end, 50 male Wistar rats were randomly divided into 5 groups: the sedentary control (SC), sedentary diabetic (SD), resistance trained diabetic (RD), diabetic plus C. oxyacantha extract treatment (CD) and resistance trained diabetic plus C...
February 21, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Azriel D Dror, Katie Virk, Kassandra Lee, Aaron Gerston, Anuradha Prakash, Marcia J Abbott, S Victoria Jaque, Ken D Sumida
The purpose of this study was to determine the minimum amount of resistance exercise that would stimulate bone formation yielding an elevation in bone mineral density (BMD) during the growth period in female rats. Female rats were randomly divided into: Control (Con, n=8), 3 ladder climb resistance-trained group (3LC, n=8), 4 ladder climb resistance-trained group (4LC, n=8), 5 ladder climb resistance-trained group (5LC, n=8), and 6 ladder climb resistance-trained group (6LC, n=8). All exercised groups were conditioned to climb a vertical ladder with weights appended to their tail 3 days/wk for a total of 6 wks...
February 23, 2018: International Journal of Sports Medicine
Kuang-Chung Shih, Ching-Fai Kwok
BACKGROUND: Improvements in insulin resistance and pancreatic β-cell function have been shown following exercise in adults with obesity; however, few adolescent-based studies have been conducted. This study examined the impact of exercise training on body fat and insulin sensitivity and secretion in overweight and obese adolescents. METHODS: The effects of a 12-week exercise program on the parameters of adiposity and glucose homeostasis were investigated in 47 overweight and obese male adolescents...
February 22, 2018: BMC Pediatrics
Fernanda Maria Martins, Aletéia de Paula Souza, Paulo Ricardo Prado Nunes, Márcia Antoniazi Michelin, Eddie Fernando Candido Murta, Elisabete Aparecida Mantovani Rodrigues Resende, Erick Prado de Oliveira, Fábio Lera Orsatti
OBJECTIVE: This study compared the effects of 12 weeks of high-intensity interval body weight training (HIBWT) with combined training (COMT; aerobic and resistance exercises on body composition, a 6-minute walk test (6MWT; physical performance), insulin resistance (IR) and inflammatory markers in postmenopausal women (PW) at high risk of type 2 diabetes mellitus (TDM2). METHODS: In this randomized controlled clinical study, 16 PW at high risk of TDM2 were randomly allocated into two groups: HIBWT (n = 8) and COMT (n = 8)...
February 19, 2018: Experimental Gerontology
Luke J Peppone, Marilyn Ling, Alissa J Huston, Mary E Reid, Michelle C Janelsins, J Edward Puzas, Charles Kamen, Auro Del Giglio, Matthew Asare, Anita R Peoples, Karen M Mustian
INTRODUCTION: Cancer treatment-induced bone loss (CTIBL) is a long-term side effect of breast cancer therapy. Both calcitriol and weight-bearing exercise improve bone metabolism for osteoporotic patients, but are unproven in a breast cancer population. We used a novel high-dose calcitriol regimen with an individualized exercise intervention to improve bone metabolism in breast cancer survivors. METHODS: We accrued 41 subjects to this open label, 2 × 2 factorial, randomized feasibility trial...
February 22, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
Tunde K Szivak, Elaine C Lee, Catherine Saenz, Shawn D Flanagan, Brian C Focht, Jeff S Volek, Carl M Maresh, William J Kraemer
INTRODUCTION: The purpose of this research was to evaluate neuroendocrine and physical performance responses in sailors and Marines undergoing U.S. Navy Survival, Evasion, Resistance, and Escape (SERE) training. METHODS: Participants were 20 men (Age: 25.3 ± 3.6 yr; Height: 178.1 ± 6.1 cm; Weight: 83.7 ± 12.6 kg). Men were further split into high fit (N = 10) and low fit (N = 10) subgroups based on physical fitness test scores. Blood samples were obtained at baseline (T1), stress (T2), and recovery (T3) timepoints, and were analyzed for plasma epinephrine, plasma norepinephrine, plasma dopamine, serum cortisol, serum testosterone, and plasma neuropeptide Y...
February 1, 2018: Aerospace Medicine and Human Performance
Marco Aurélio Ferreira de Jesus Leite, Guilherme Morais Puga, Franciel José Arantes, Carlo José Freire Oliveira, Lucas Moreira Cunha, Miguel Junior Sordi Bortolini, Nilson Penha-Silva
OBJECTIVE: The present systematic review aimed to verify the effect of resistance and combined training on the inflammatory profile of breast cancer survivors. DESIGN: The searches were made on the platforms PsycINFO, PubMed, Cochrane, Science Direct and Scopus, from 1996 to 2017, using the keywords: cancer survivors, cancer treatment, cancer patients, breast cancer, inflammation, inflammatory profile, immune function, resistance training, strength training, weight training, physical activity, concurrent training and combined training...
February 2018: Complementary Therapies in Medicine
Patrícia Duarte Freitas, Aline Grandi Silva, Palmira Gabriele Ferreira, Analuci da Silva, João Marcos Salge, Regina Maria Carvalho-Pinto, Alberto Cukier, Claudia M Brito, Marcio C Mancini, Celso R F Carvalho
INTRODUCTION: Obese adults with asthma have an increased number of comorbidities and reduced daily life physical activity (DLPA), which may worsen asthma symptoms. Exercise is recommended to improve asthma outcomes; however, the benefits of exercise for psychosocial comorbidities and physical activity levels in obese adults with asthma have been poorly investigated. OBJECTIVE: To assess the effects of exercise on DLPA, asthma symptoms and psychosocial comorbidities in obese adults with asthma...
February 9, 2018: Medicine and Science in Sports and Exercise
Hassan Mohamed Elsangedy, Daniel Gomes da Silva Machado, Kleverton Krinski, Paulo Henrique Duarte do Nascimento, Gledson Tavares de Amorim Oliveira, Tony Meireles Santos, Elaine A Hargreaves, Gaynor Parfitt
PURPOSE: The purpose of this study was to evaluate the feasibility and reliability of the Feeling Scale (FS) to self-regulate resistance training (RT) intensity. METHODS: Sixteen sedentary men (39.7±7.5 years) performed 3 familiarization sessions, 2 one repetition maximum testing (1RM), and 16 RT sessions (4 sessions for each FS descriptor; randomized). The FS descriptors were "very good" (FS+5), "good" (FS+3), "fairly good" (FS+1), and "fairly bad" (FS-1)...
February 9, 2018: Medicine and Science in Sports and Exercise
Maria À Cebrià I Iranzo, Mercè Balasch I Bernat, María Á Tortosa-Chuliá, Sebastià Balasch-Parisi
This study compares the effects of two resistance training programs in peripheral and respiratory musculature on muscle mass and strength and physical performance, and identify the appropriate muscle mass parameter for assessing the intervention effects. Thirty-seven institutionalized older Spanish adults with sarcopenia were analyzed: Control Group (n=17), Respiratory Muscle Training Group (n=9) and Peripheral Muscle Training Group (n=11). Pre and post-intervention, participants were assessed for Appendicular Skeletal Mass (ASM/height2; ASM/weight; ASM/BMI), isometric knee-extension, arm-flexion and handgrip strength, Inspiratory and Expiratory Maximal Pressures (MIP and MEP), and gait speed...
February 12, 2018: Journal of Aging and Physical Activity
Aaron B Holley, Wesley D Boose, Michael Perkins, Karen L Sheikh, Nancy P Solomon, Angela M Dietsch, Jafar Vossoughi, Arthur T Johnson, Jacob F Collen
Introduction: Following reports of respiratory symptoms among service members returning from deployment to South West Asia (SWA), an expert panel recommended pre-deployment spirometry be used to assess disease burden. Unfortunately, testing with spirometry is high cost and time-consuming. The airflow perturbation device (APD) is a handheld monitor that rapidly measures respiratory resistance (APD-Rr) and has promising but limited clinical data. Its speed and portability make it ideally suited for large volume pre-deployment screening...
February 7, 2018: Military Medicine
Keith Tolfrey, Julia Kirstey Zakrzewski-Fruer, Alice Emily Thackray
Two publications were selected because they are excellent representations of studies examining different ends of the exercise-sedentary behavior continuum in young people. The first study is an acute response study with 13 mixed-sex, mid to late adolescents presenting complete data from 4 different randomized experimental crossover conditions for analyses. Continuous glucose monitoring showed that interrupting prolonged continuous sitting with body-weight resistance exercises reduced the postprandial glucose concentration compared with a time-matched uninterrupted period of sitting...
February 9, 2018: Pediatric Exercise Science
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