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https://www.readbyqxmd.com/read/28805932/muscle-thickness-correlates-to-muscle-cross-sectional-area-in-the-assessment-of-strength-training-induced-hypertrophy
#1
Martino V Franchi, Stefano Longo, Joanne Mallinson, Jonathan I Quinlan, Tariq Taylor, Paul L Greenhaff, Marco V Narici
AIM: Muscle thickness (MT) measured by ultrasound has been used to estimate cross-sectional area (measured by CT and MRI) at a single time-point. We tested whether MT could be used as a valid marker of MRI determined muscle anatomical cross-sectional area (ACSA) and volume changes following resistance training (RT). METHODS: Nine healthy, young, male volunteers (24±2 y.o., BMI 24.1±2.8 kg/m(2) ) had vastus lateralis (VL) muscle volume (VOL) and ACSA mid (at 50% of femur length, FL) assessed by MRI, and VL MT measured by ultrasound at 50% FL...
August 14, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28804461/the-effect-of-resistance-exercise-on-inflammatory-and-myogenic-markers-in-patients-with-chronic-kidney-disease
#2
Emma L Watson, Joao L Viana, David Wimbury, Naomi Martin, Neil J Greening, Jonathan Barratt, Alice C Smith
Background: Muscle wasting is a common complication of Chronic Kidney Disease (CKD) and is clinically important given its strong association with morbidity and mortality in many other chronic conditions. Exercise provides physiological benefits for CKD patients, however the molecular response to exercise remains to be fully determined. We investigated the inflammatory and molecular response to resistance exercise before and after training in these patients. Methods: This is a secondary analysis of a randomized trial that investigated the effect of 8 week progressive resistance training on muscle mass and strength compared to non-exercising controls...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28800636/combined-sprint-and-resistance-training-abrogates-age-differences-in-somatotropic-hormones
#3
Maha Sellami, Wissem Dhahbi, Lawrence D Hayes, Johnny Padulo, Fatma Rhibi, Hanen Djemail, Anis Chaouachi
The aim of this investigation was to compare serum growth hormone (GH), insulin-like growth factor-1 (IGF-1) and insulin-like growth factor-binding protein-3 (IGFBP-3) in response to a combined sprint and resistance training (CSRT) program in young and middle-aged men.Thirty-eight healthy, moderately trained men participated in this study. Young and middle-aged men were randomly assigned to, a young training group (YT = 10, 21.4±1.2yrs) ora young control group (YC = 9, 21.6±1.8 yrs), a middle-aged training group (MAT = 10, 40...
2017: PloS One
https://www.readbyqxmd.com/read/28796130/the-effects-of-superset-configuration-on-kinetic-kinematic-and-perceived-exertion-in-the-barbell-bench-press
#4
Jonathon Js Weakley, Kevin Till, Dale B Read, Padraic J Phibbs, Gregory Roe, Joshua Darrall-Jones, Ben L Jones
Training that is efficient and effective is of great importance to an athlete. One method of improving efficiency is by incorporating supersets into resistance training routines. However, the structuring of supersets is still unexplored. Therefore, the purpose of this study was to assess the effects of agonist-antagonist (A-A), alternate peripheral (A-P), and similar biomechanical (SB) superset configurations on rate of perceived exertion (RPE), kinetic and kinematic changes during the bench press. 10 subjects performed resistance training protocols in a randomized-crossover design, with magnitude-based inferences assessing changes/differences within and between protocols...
August 4, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28795657/body-system-effects-of-a-multi-modal-training-program-targeting-chronic-motor-complete-thoracic-spinal-cord-injury
#5
Katie Gant, Kathleen Nagle, Rachel Cowan, Edelle Field-Fote, Mark Nash, Jochen Kressler, Christine K Thomas, Mabelin Castellanos, Eva Widerstrom-Noga, Kimberly D Anderson
The safety and efficacy of pharmacologic and cellular transplantation strategies are currently being evaluated in people with spinal cord injury. In studies of people with chronic spinal cord injuries, it is thought that functional recovery will be best achieved when drug or cell therapies are combined with rehabilitation protocols. However, any functional recovery due to the therapy may be confounded by the conditioned state of the body and by training-induced effects on neuroplasticity. For this reason, we sought to investigate the effects of a multi-modal training program on several body systems...
August 10, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28795452/resistance-training-does-not-alter-same-day-sleep-architecture-in-institutionalized-older-adults
#6
Jeffrey E Herrick, Shipra Puri, Kathy C Richards
Sleep disturbance is a common symptom in institutionalized older adults that reduces their quality of life and may contribute to progression of cognitive impairment. While we found that a 7-week combination of resistance training, walking and social activity significantly improved sleep in institutionalized older adults compared with a usual care control group, no one to our knowledge has determined the acute effects of resistance training on same-day sleep in this population. Given the effort required to promote exercise adherence in institutionalized older adults and to obtain a positive training effect, understanding of the acute effects of resistance training on same-day sleep architecture should be elucidated, especially with respect to unintended consequences...
August 10, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28795443/effect-of-conjugated-linoleic-acids-and-omega-3-fatty-acids-with-or-without-resistance-training-on-muscle-mass-in-high-fat-diet-fed-middle-aged-mice
#7
Sang-Rok Lee, Andy V Khamoui, Edward Jo, Michael C Zourdos, Lynn B Panton, Michael J Ormsbee, Jeong-Su Kim
This study investigated the effects of 20 weeks of combined conjugated linoleic acid/omega-3 fatty acid (n-3) administration independently or combined with resistance exercise training (RET) muscle in middle-aged mice consuming a high-fat diet (HFD). Nine-month-old C57BL/6 mice were randomly assigned into four experimental groups (H: high-fat diet, HE: H + RET, HCN: H + CLA/n-3, and HECN: H + CLA/n3 + RET). Body composition and functional capacity were assessed at pre- and post-intervention. Muscle tissues were collected at 14 months of age...
August 10, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28795012/chronic-kidney-disease-and-sports-participation-by-children-and-adolescents
#8
REVIEW
Vimal Master Sankar Raj, Dilip R Patel, Lakshmi Ramachandran
Individuals suffering from chronic kidney disease (CKD) deal with major morbidity and mortality including poor exercise tolerance. A variety of factors including anemia, poor muscle mass, cardiovascular changes and limited physical activity contribute to exercise intolerance. Studies suggest that early initiation of aerobic and resistance training improves the muscle function, ability to tolerate exercise and quality of life in CKD patients. A thorough medical examination and exercise testing are recommended before initiating an exercise regimen in individuals with CKD...
July 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28795003/resistance-training-for-children-and-adolescents
#9
REVIEW
Allison M Myers, Nicholas W Beam, Joseph D Fakhoury
As more children and adolescents are becoming involved in exercise and school or community based athletics, attention is turned towards proper training and conditioning to optimize performance, stimulate athletic development and ensure safety while tolerating long-term competition. Resistance training (RT) refers to the methodology of ensuring such optimal performance and safety. This is a common component of sports and physical fitness in schools and organized athletic programs around the country. RT is a physical conditioning program that involves various training techniques (e...
July 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28793051/resistance-training-attenuates-salt-overload-induced-cardiac-remodeling-and-diastolic-dysfunction-in-normotensive-rats
#10
D L M Barretti, S F S Melo, E M Oliveira, V G Barauna
Elevated salt intake induces changes in the extracellular matrix collagen, leading to myocardial stiffness and impaired relaxation. Resistance training (RT) has been used as a remarkably successful strategy in the treatment of heart disease. Therefore, the aim of this study was to investigate the effects of RT on preventing pathological adaptation of the left ventricle (LV) induced by salt overload. Male Wistar rats (10 weeks old) were distributed into four groups (n=8/group): control (CO), control+1% salt (CO+SALT), RT and RT+1% salt (RT+SALT)...
August 7, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28769100/resistance-training-alone-reduces-systolic-and-diastolic-blood-pressure-in-prehypertensive-and-hypertensive-individuals-meta-analysis
#11
Evitom Corrêa de Sousa, Odilon Abrahin, Ana Lorena Lima Ferreira, Rejane Pequeno Rodrigues, Erik Artur Cortinhas Alves, Rodolfo Paula Vieira
The purpose of this study was to evaluate the effects of resistance training alone on the systolic and diastolic blood pressure in prehypertensive and hypertensive individuals. Our meta-analysis, followed the guidelines of PRISMA. The search for articles was realized by November 2016 using the following electronic databases: BIREME, PubMed, Cochrane Library, LILACS and SciELO and a search strategy that included the combination of titles of medical affairs and terms of free text to the key concepts: 'hypertension' 'hypertensive', 'prehypertensive', 'resistance training', 'strength training', and 'weight-lifting'...
August 3, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/28765418/the-emergence-of-sarcopenia-as-an-important-entity-in-older-people
#12
Natalie J Offord, Miles D Witham
Sarcopenia refers to the loss of muscle mass and strength seen with advancing age. The pathophysiology is multifactorial, with loss of muscle satellite cells, changes in hormonal systems, chronic inflammation, oxidative stress and anabolic resistance to protein utilisation all implicated. Older age, female sex and immobility are important risk factors. Sarcopenia is clinically important as it is a major risk factor for physical frailty, falls, prolonged hospitalisation, dependency and earlier death. Diagnosis requires evidence of reduced muscle mass measured by handgrip strength or walk speed, together with evidence of low muscle mass, measured by one of a variety of techniques such as bioimpedance analysis or dual X-ray absorptiometry...
July 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/28763003/short-term-effects-of-a-ready-to-drink-pre-workout-beverage-on-exercise-performance-and-recovery
#13
Patrick B Collins, Conrad P Earnest, Ryan L Dalton, Ryan J Sowinski, Tyler J Grubic, Christopher J Favot, Adriana M Coletta, Christopher Rasmussen, Mike Greenwood, Richard B Kreider
In a double-blind, randomized and crossover manner, 25 resistance-trained participants ingested a placebo (PLA) beverage containing 12 g of dextrose and a beverage (RTD) containing caffeine (200 mg), β-alanine (2.1 g), arginine nitrate (1.3 g), niacin (65 mg), folic acid (325 mcg), and Vitamin B12 (45 mcg) for 7-days, separated by a 7-10-day. On day 1 and 6, participants donated a fasting blood sample and completed a side-effects questionnaire (SEQ), hemodynamic challenge test, 1-RM and muscular endurance tests (3 × 10 repetitions at 70% of 1-RM with the last set to failure on the bench press (BP) and leg press (LP)) followed by ingesting the assigned beverage...
August 1, 2017: Nutrients
https://www.readbyqxmd.com/read/28761720/age-related-changes-in-the-effects-of-strength-training-on-lower-leg-muscles-in-healthy-individuals-measured-using-mri
#14
Maria Psatha, Zhiqing Wu, Fiona Gammie, Aivaras Ratkevicius, Henning Wackerhage, Thomas W Redpath, Fiona J Gilbert, Judith R Meakin, Richard M Aspden
BACKGROUND: We previously measured the rate of regaining muscle strength during rehabilitation of lower leg muscles in patients following lower leg casting. Our primary aim in this study was to measure the rate of gain of strength in healthy individuals undergoing a similar training regime. Our secondary aim was to test the ability of MRI to provide a biomarker for muscle function. METHODS: Men and women were recruited in three age groups: 20-30, 50-65 and over 70 years...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/28759532/wrist-resistance-training-improves-motor-control-and-strength
#15
Edward Chu, You-Sin Kim, Genevieve Hill, Yoon Hyuk Kim, Chang Kook Kim, Jae Kun Shim
The aim of the present study was to investigate the effects of a 6-week direction specific resistance training program on isometric torque control and isokinetic torque strength of the wrist joint. Nineteen subjects were randomly assigned to either the wrist training group (n=9) or the control group (n=10). The training group performed wrist exercises in six directions (flexion, extension, pronation, supination, radial deviation, and ulnar deviation) while the control group did not. Data were collected on the isometric torque control, one-repetition maximum (1-RM) strength, and isokinetic maximum torque (angular velocity of 60°/s wrist movements) before and after six weeks of resistance training and at two-week intervals during training...
July 28, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28759113/feasibility-and-preliminary-effects-of-resistance-training-and-nutritional-supplements-during-versus-after-radiotherapy-in-patients-with-head-and-neck-cancer-a-pilot-randomized-trial
#16
Jon Arne Sandmael, Asta Bye, Tora Skeidsvoll Solheim, Guro Birgitte Stene, Lene Thorsen, Stein Kaasa, Jo-Åsmund Lund, Line Merethe Oldervoll
BACKGROUND: Patients with head and neck cancer (HNC) experience involuntary weight loss that has a negative impact on physical function, morbidity, and survival. The objective of the current study was to evaluate the feasibility of an exercise and nutrition intervention during radiotherapy (RT) compared with after RT, and to examine preliminary effects on skeletal muscle mass. METHODS: Patients with HNC were randomized to an exercise and nutrition intervention during RT (EN-DUR) or after RT (EN-AF)...
July 31, 2017: Cancer
https://www.readbyqxmd.com/read/28756746/nordic-walking-can-be-incorporated-in-the-exercise-prescription-to-increase-aerobic-capacity-strength-and-quality-of-life-for-elderly-a-systematic-review-and-meta-analysis
#17
Valentina Bullo, Stefano Gobbo, Barbara Vendramin, Federica Duregon, Lucia Cugusi, Andrea Di Blasio, Danilo Sales Bocalini, Marco Zaccaria, Marco Bergamin, Andrea Ermolao
The aim of this systematic review and meta-analysis was to summarize and analyze the effects of Nordic Walking on physical fitness, body composition and quality of life in the elderly. METHODS: keyword "Nordic Walking" associated with "elderly" AND/OR "aging" AND/OR "old subjects" AND/OR "aged" AND/OR "older adults" were used in the onlines database Medline, Embase, PubMed, Scopus, PsycINFO and SPORTDiscus. Only studies written in English language and published in peer-reviewed journals were considered...
July 29, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28756248/do-trials-of-resistance-training-to-improve-mobility-after-stroke-adhere-to-the-american-college-of-sports-medicine-guidelines-a-systematic-review
#18
REVIEW
Genevieve Hendrey, Anne E Holland, Benjamin F Mentiplay, Ross Clark, Gavin Williams
OBJECTIVE: To determine whether resistance training to improve mobility outcomes after stroke adhere to the ACSM guidelines, and whether adherence was associated with better outcomes. DATA SOURCES: Online databases searched from 1975 to 30 October 2016. STUDY SELECTION: Randomized controlled trials examining the effectiveness of lower limb strength training on mobility outcomes in adult stroke participants. DATA EXTRACTION AND ANALYSIS: Two independent reviewers completed data extraction...
July 26, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28755682/the-effect-of-exercise-training-in-adults-with-multiple-sclerosis-with-severe-mobility-disability-a-systematic-review-and-future-research-directions
#19
REVIEW
Thomas Edwards, Lara A Pilutti
INTRODUCTION: There is evidence for the benefits of exercise training in persons with multiple sclerosis (MS). However, these benefits have primarily been established in individuals with mild-to-moderate disability (i.e., Expanded Disability Status Scale [EDSS] scores 1.0-5.5), rather than among those with significant mobility impairment. Further, the approaches to exercise training that have been effective in persons with mild-to-moderate MS disability may not be physically accessible for individuals with mobility limitations...
August 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28755103/the-effect-of-weekly-set-volume-on-strength-gain-a-meta-analysis
#20
REVIEW
Grant W Ralston, Lon Kilgore, Frank B Wyatt, Julien S Baker
BACKGROUND: Strength training set organisation and its relationship to the development of muscular strength have yet to be clearly defined. Current meta-analytical research suggests that different population groups have distinctive muscular adaptations, primarily due to the prescription of the strength training set dose. OBJECTIVES: We conducted a meta-analysis with restrictive inclusion criteria and examined the potential effects of low (LWS), medium (MWS) or high weekly set (HWS) strength training on muscular strength per exercise...
July 28, 2017: Sports Medicine
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