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https://www.readbyqxmd.com/read/29140911/effect-of-bench-press-load-knowledge-on-repetitions-rpe-and-attentional-focus
#1
Christina M Beaudoin, Zachary Cox, Tyler Dundore, Tayler Thomas, Johnathon Kim, Daniel Pillivant
Few studies have examined the role of the teleoanticipation during resistance training. The purpose of this study was to examine the effect of bench press (BP) load knowledge on repetitions completed, ratings of perceived exertion (RPE), and attentional focus (%associative). Thirty-six recreationally active resistance trained men (n = 25) and women (n = 11) participated in this study (age= 20.97 + 1.87 yrs; ht 174.12 + 9.41 cm; mass 80.14 + 14.03 kg). All subjects completed three testing sessions: 1) One-repetition maximum (1RM) BP determination; 2) Submaximal BP repetitions to fatigue known load (KL); 3) Submaximal BP repetitions to fatigue unknown load (UL)...
November 10, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29140909/the-effects-of-load-on-peak-power-output-fatigue-during-the-bench-throw
#2
David Boffey, Bulent Sokmen, Kurt Sollanek, Wanda Boda, Steven Winter
The ability to create power is an important variable for athletic success. No study to date has compared peak power output (PPO) fatigue across multiple sets and with different loads with the bench throw. This study aimed to begin the process of establishing empirical upper body power training guidelines for moderately strong athletes by determining how load (30%, 45%, 60% 1RM) affects PPO (Watts) dropoff during 3 sets of 10 repetitions of the bench throw. 10 resistance-trained male volunteers ((mean ± SD): age 20...
November 14, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29140148/the-reliability-of-individualized-load-velocity-profiles
#3
Harry G Banyard, K Nosaka, Alex D Vernon, G Gregory Haff
PURPOSE: This study examined the reliability of peak velocity (PV), mean propulsive velocity (MPV), and mean velocity (MV) in the development of load-velocity profiles (LVP) in the full depth free-weight back squat performed with maximal concentric effort. METHODS: Eighteen resistance-trained men performed a baseline one-repetition maximum (1RM) back squat trial and three subsequent 1RM trials used for reliability analyses, with 48-hours interval between trials...
November 15, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29135785/comparison-of-polar-m600-optical-heart-rate-and-ecg-heart-rate-during-exercise
#4
John F Horton, Pro Stergiou, Tak S Fung, Larry Katz
PURPOSE: The purpose of this study was to evaluate the accuracy of the Polar M600 optical heart rate (OHR) sensor compared with ECG heart rate (HR) measurement during various physical activities. METHODS: Thirty-six subjects participated in a continuous 76-min testing session, which included rest, cycling warm-up, cycling intervals, circuit weight training, treadmill intervals, and recovery. HR was measured using a three-lead ECG configuration and a Polar M600 Sport Watch on the left wrist...
December 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29113119/prescribing-physical-activity-for-the-prevention-and-treatment-of-osteoporosis-in-older-adults
#5
REVIEW
Lachlan B McMillan, Ayse Zengin, Peter R Ebeling, David Scott
Osteoporosis is an age-related disease, characterised by low bone mineral density (BMD) and compromised bone geometry and microarchitecture, leading to reduced bone strength. Physical activity (PA) has potential as a therapy for osteoporosis, yet different modalities of PA have varying influences on bone health. This review explores current evidence for the benefits of PA, and targeted exercise regimes for the prevention and treatment of osteoporosis in older adults. In particular, the outcomes of interventions involving resistance training, low- and high-impact weight bearing activities, and whole-body vibration therapy are discussed...
November 6, 2017: Healthcare (Basel, Switzerland)
https://www.readbyqxmd.com/read/29112055/self-selected-resistance-exercise-load-implications-for-research-and-prescription
#6
Sebastião Barbosa-Netto, Obanshe S dʼAcelino-E-Porto, Marcos B Almeida
Barbosa-Netto, S, d'Acelino-e-Porto, OS, and Almeida, MB. Self-selected resistance exercise load: implications for research and prescription. J Strength Cond Res XX(X): 000-000, 2017-Resistance training has been widely used for maintaining or improving the quality of life and sports performance. It is not clear, however, whether the load commonly used in these exercises is equivalent to the number of repetitions determined for execution, that is, the level of effort applied to the self-selected load. Ergo, the aim of this study was to identify the number of maximum repetitions that strength training practitioners can perform with the load commonly used (self-selected) to perform 10 repetitions in their training routines...
November 1, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29107767/prevalence-of-methicillin-resistant-staphylococcus-aureus-isolated-from-burn-patients-a-systematic-review-and-meta-analysis
#7
REVIEW
Mohammad Emaneini, Reza Beigverdi, Willem B van Leeuwen, Hosseinali Rahdar, Morteza Karami-Zarandi, Faride Hosseinkhani, Fereshteh Jabalameli
OBJECTIVES: Methicillin-resistant Staphylococcus aureus (MRSA) has considered as a major cause of infection and mortality in burn patients, especially when nosocomially acquired. Limited information is available on the prevalence of MRSA among burn patient in Iran. METHODS: We performed a systematic search by using different electronic databases including: Medline (via Pubmed), Embase, Web of Science, and Iranian Database. Meta-analysis was performed by Comprehensive Meta-Analysis (Biostat V2...
October 28, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/29099523/a-potential-strategy-for-counteracting-age-related-sarcopenia-preliminary-evidence-of-combined-exercise-training-and-leucine-supplementation
#8
Z Xia, J M Cholewa, Y Zhao, Y Yang, H Shang, H Jiang, Q Su, N E Zanchi
Previous research has demonstrated the positive effects of concurrent/combined aerobic and resistance exercise or leucine supplementation on skeletal muscle protein synthesis (MPS) and hypertrophy in aging organisms. However, the effects of a multimodal intervention which combines both aerobic and resistance exercise and leucine supplementation has not been fully elucidated. Eighteen month old and 2 month old C57BL/6 mice were assigned to aging control (AC, n = 8), aging and multimodal intervention (AMI, n = 8) and young control (YC, n = 8)...
November 3, 2017: Food & Function
https://www.readbyqxmd.com/read/29094074/progressive-resistance-training-in-head-and-neck-cancer-patients-undergoing-concomitant-chemoradiotherapy
#9
Camilla K Lonkvist, Anders Vinther, Bo Zerahn, Eva Rosenbom, Atul S Deshmukh, Pernille Hojman, Julie Gehl
Objectives: Patients with head and neck squamous cell carcinoma undergoing concomitant chemoradiotherapy (CCRT) frequently experience weight loss, especially loss of lean body mass (LBM), and reduced functional performance. This study investigated whether a 12-week hospital-based progressive resistance training (PRT) program during CCRT is feasible in the clinical setting before planning initiation of a larger randomized study which is the long-term goal. Study design: Prospective pilot study...
October 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/29083464/initiating-exercise-interventions-to-promote-wellness-in-cancer-patients-and-survivors
#10
REVIEW
Anna L Schwartz, Hendrik Dirk de Heer, Jennifer W Bea
Exercise is associated with significant reductions in the recurrence and mortality rates of several common cancers. Cancer survivors who exercise can potentially benefit from reduced levels of fatigue, and improved quality of life, physical function, and body composition (ie, healthier ratios of lean body mass to fat mass). The amount of activity required to achieve protective effects is moderate (eg, walking 30 minutes per day at 2.5 miles per hour). However, many healthcare providers report a lack of awareness of the appropriate exercise recommendations across the phases of cancer survivorship, considerations regarding the timing of exercise interventions, and the ability to refer patients to exercise programs specifically aimed at cancer survivors...
October 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/29081799/swim-training-attenuates-inflammation-and-improves-insulin-sensitivity-in-mice-fed-with-a-high-fat-diet
#11
Guangzeng Zhang, Pengfei Yu, Xiaomeng Liu
Exercise could afford multiple beneficial effects on obesity-related metabolic disorders. To address this issue, C57BL/6J mice were used to investigate the effects of 13 weeks of swim training on HFD-induced obesity and related insulin resistance and inflammation. Our results show that swim training can significantly prevent HFD-induced weight gain and increase resting energy expenditure without affecting food intake. The insulin sensitivity was enhanced in the HFD + swim group than in the HFD + sedentary group...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/29076958/gluteus-maximus-and-hamstring-activation-during-selected-weight-bearing-resistance-exercises
#12
Kevin McCurdy, John Walker, Derrick Yuen
McCurdy, K, Walker, J, and Yuen, D. Gluteus maximus and hamstring activation during selected weight-bearing resistance exercises. J Strength Cond Res XX(X): 000-000, 2017-The purpose of this study was to compare the gluteus maximus (GM) and hamstring group (HG) electromyographic (EMG) activation levels among selected weight-bearing resistance exercises. Eighteen young adult females with previous resistance training experience completed the study. Strength was assessed on the bilateral squat (BS) (3 repetition maximum [RM]), modified single-leg squat (MSLS) (3RM), and stiff-leg deadlift (SLDL) (8RM) to determine an 8RM load for all lifts...
October 20, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29076609/effects-of-home-based-lower-limb-resistance-training-on-muscle-strength-and-functional-status-in-stable-copd-patients
#13
Yi Chen, Mei'e Niu, Xiuqin Zhang, Hongying Qian, Anwei Xie, Xiya Wang
AIMS AND OBJECTIVES: This study aimed to determine the effect of home-based lower limb resistance training (LLRT) in patients with stable COPD. BACKGROUND: Pulmonary rehabilitation (PR) in COPD patients has been substantially investigated, but the rehabilitation components differ among studies. Few works have focused on home-based LLRT. Furthermore, few studies have assessed muscle strength and functional status by isokinetic/isometric extensor muscle peak torque (PT) and five-repetition sit-to-stand test (FTSST), respectively...
October 27, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/29073365/energy-expenditure-during-an-exercise-training-session-for-cardiac-patients
#14
Helena Santa-Clara, Xavier Melo, Romina Willi, Rita Pinto, Vanessa Santos, José P Almeida, Rodrigo Martins, Ron Clijsen, Miguel Mendes, Bo Fernhall
Background Increasing energy expenditure (EE) in cardiac patients remains a challenge. Exercise approaches in cardiac rehabilitation/secondary prevention programs (CR/SP) have consistently resulted in minimal weight loss, due in part to the low exercise-related EE. Purpose To measure the EE among patients participating in a routine exercise session of Phase III maintenance CR/SP where a recreational activity was introduced. Methods Twelve overweight/obese male patients with coronary artery disease (62.6 ± 8...
October 26, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29071116/high-intensity-exercise-training-does-not-influence-body-weight-but-improves-lipid-oxidation-in-obese-adults-a-6-week-rct
#15
Georges Jabbour, Horia-Daniel Iancu
OBJECTIVES: This study examined the effects of 6 weeks of high-intensity training (HIT) on lipid oxidation (LO) rates during incremental exercises in obese adults. METHODS: Twenty-four obese adults were randomised into a no-exercise control group (n=12; body mass index=33.3 (4.8) kg.m(-2)) and a HIT group (18 sessions of 6×6 s of supramaximal cycling and 2 min passive intervals; n=12; body mass index=33.2 (2.8)kg.m(-2)). The percentage of LO contribution was computed at rest and for all workloads (25, 50, 75, 100 and 125 W) in both groups before and after training via a graded maximal cycling test...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29063822/comparison-of-marker-based-genomic-estimated-breeding-values-and-phenotypic-evaluation-for-selection-of-bacterial-spot-resistance-in-tomato
#16
Debora Liabeuf, Sung-Chur Sim, David M Francis
Bacterial spot affects tomatoes (Solanum lycopersicum L.) grown under humid conditions. Major genes and quantitative trait loci (QTL) for resistance have been described, and multiple loci from diverse sources need to be combined to improve disease control. We investigated genomic selection (GS) prediction models for resistance to Xanthomonas euvesicatoria and experimentally evaluated the accuracy of these models. The training population consisted of 109 families combining resistance from four sources, and directionally selected from a population of 1,100 individuals...
October 24, 2017: Phytopathology
https://www.readbyqxmd.com/read/29058241/the-factors-affecting-lower-urinary-tract-functions-in-patients-undergoing-laparoscopic-sleeve-gastrectomy
#17
Haci Murat Cayci, Sedat Oner, Umut Eren Erdogdu, İdris Nas, Evren Dilektasli, Murat Demirbas
BACKGROUND: We prospectively assessed changes in the lower urinary system functions of women with morbid obesity following laparoscopic sleeve gastrectomy and the factors affecting these changes. METHODS: Data from 40 females who had undergone laparoscopic sleeve gastrectomy due to morbid obesity (body mass index, BMI ≥ 40 kg/m(2)) between January 2014-2016 at S.B.U. Bursa Yuksek Ihtisas Training and Research Hospital were prospectively evaluated. The presence of comorbidities, onset of obesity, smoking, American Society of Anesthesiologists (ASA) score, pre and 12-month postoperative weights and BMIs, fasting blood glucose (FBG), blood urea nitrogen, creatinine, insulin, homeostatic model assessment-insulin resistance (HOMA-IR) test results, overactive bladder survey (OAB-Q) scores, volume of urination, and Qmax values obtained from uroflowmetry studies were recorded and assessed...
October 23, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/29058111/the-effects-of-muscle-blood-flow-restriction-during-running-training-on-measures-of-aerobic-capacity-and-run-time-to-exhaustion
#18
Carl D Paton, Shalako M Addis, Lee-Anne Taylor
PURPOSE: Training with blood flow restriction (BFR) is known to enhance muscle mass and strength during resistance training activities. However, little is known about the BFR effects during aerobic training. This investigation examines the effects of running training performed with or without BFR on physiology and performance. METHOD: Sixteen subjects (age 24.9 ± 6.9 years, height 172.9 ± 7.8 cm, weight 75.1 ± 13.8 kg) were assigned to a BFR or control (CON) group for eight sessions of training...
October 20, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29053575/the-impact-of-a-weight-loss-intervention-on-diet-quality-and-eating-behaviours-in-people-with-obesity-and-copd
#19
Rebecca F McLoughlin, Vanessa M McDonald, Peter G Gibson, Hayley A Scott, Michael J Hensley, Lesley MacDonald-Wicks, Lisa G Wood
There is a paucity of evidence to guide clinicians about appropriate management strategies for people with obesity and Chronic Obstructive Pulmonary Disease (COPD). We have recently published results from the first weight loss intervention in adults (>18 years) with obesity (body mass index; BMI ≥ 30 kg/m²) and COPD, using a low-calorie diet coupled with a partial meal replacement plan and resistance exercise training, which resulted in a 6.4% reduction in weight while maintaining skeletal muscle mass and improving health status...
October 20, 2017: Nutrients
https://www.readbyqxmd.com/read/29045315/a-single-dose-of-oral-atp-supplementation-improves-performance-and-physiological-response-during-lower-body-resistance-exercise-in-recreational-resistance-trained-males
#20
Marcelo C Freitas, Jason M Cholewa, Jose Gerosa-Neto, Daniela C Gonçalves, Erico C Caperuto, Fábio S Lira, Fabrício E Rossi
The aim of this study was to investigate the acute effect of ATP supplementation on performance and physiological responses during resistance exercise in recreationally resistance trained males. Eleven men (age= 27.5±5.5 yrs, weight= 83.4±9.8 kg, height= 182±0.04 cm) completed two randomized, double-blind trials: ATP supplement condition (ATP=400mg) or a placebo condition. Thirty minutes after supplement consumption, subjects performed four sets of half-squats until momentary muscular failure at 80% of the 1RM with two minutes of recovery between sets...
October 16, 2017: Journal of Strength and Conditioning Research
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