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Sijie Tan, Ping Du, Wanting Zhao, Jiaqi Pang, Jianxiong Wang
The purpose of this study was to investigate the pleiotropic effects of 12 weeks of supervised exercise training at maximal fat oxidation (FATmax) intensity on body composition, lipid profile, glycemic control, insulin sensitivity and serum adipokine levels in older women with type 2 diabetes. Thirty-one women with type 2 diabetes, aged 60 to 69 years, were randomly allocated into exercise and control groups. Body composition, lipid profile, blood glucose, insulin resistance and serum leptin and adiponectin concentrations were measured before and after the intervention...
March 21, 2018: International Journal of Sports Medicine
M C Pensel, M Daamen, L Scheef, H U Knigge, S Rojas Vega, J A Martin, H H Schild, H K Strüder, H Boecker
Cardiovascular training has been associated with neuroimaging correlates of executive control functions (ECF) in seniors and children/adolescents, while complementary studies in middle-aged populations are lacking. Ascribing a prominent role to cardiorespiratory fitness improvements, most studies concentrated on training-induced gains in maximal oxygen uptake (VO2 max), although other fitness indices may provide complementary information. Here, we investigated the impact of long-term sub-maximal exercise training on interference control, considering individual training-induced shifts in blood lactate profile curves (BLC) and VO2 max...
March 20, 2018: Scientific Reports
Kevin M Carroll, John P Wagle, Kimitake Sato, Christopher B Taber, Nobuhisa Yoshida, Garett E Bingham, Michael H Stone
The purposes of this investigation were to: (1) assess kinetic characteristics of overload, (2) examine eccentric and concentric muscle activations and (3) explore velocity measurement as a method of intensity prescription in inertial flywheel squat training. A series of two experiments were performed: one assessing kinetic and muscle activation characteristics of flywheel squat training using three progressive inertial loads. The second experiment assessed inertial load-velocity relationships using six progressive inertial loads...
March 21, 2018: Sports Biomechanics
James T Eckner, Alireza Goshtasbi, Kayla Curtis, Aliaksandra Kapshai, Erik Myyra, Lea M Franco, Michael Favre, Jon A Jacobson, James A Ashton-Miller
Greater neck girth and strength may be associated with a lower risk of sport-related concussion due to mitigation of head accelerations by the neck. However, neck strengthening exercise remains unstudied in youth athletes. Therefore, this pilot study assessed the feasibility and effect of targeted neck strengthening exercises in youth athletes. Seventeen participants were allocated to perform 8-wk manual resistance-based neck strengthening (n = 13) or control resistance exercise (n = 4) programs. Before and after the intervention, participants completed laboratory-based assessments of neck size, strength, and head kinematics during standardized test loading in each plane of motion...
April 2018: American Journal of Physical Medicine & Rehabilitation
C Herrmann-Lingen
BACKGROUND: Depression is a frequent comorbidity in chronic heart failure. It can be triggered by the experience of suffering from heart disease, but it can also play a causal role in accelerated development and poor prognosis of heart failure. OBJECTIVES: The aim of this study was to investigate the interrelationships between heart failure and depression and the psychophysiological and behavioral mechanisms involved in this association. The effects of comorbid depression on quality of life in patients with heart failure were also examined and therapeutic options reviewed...
March 20, 2018: Der Internist
Axel Pressler, Leonie Förschner, Jana Hummel, Bernhard Haller, Jeffrey W Christle, Martin Halle
Background Increased exercise capacity favourably influences clinical outcomes after transcatheter aortic valve implantation. In our SPORT:TAVI randomised pilot trial, eight weeks of endurance and resistance training (training group, TG) shortly after transcatheter aortic valve implantation resulted in significantly improved exercise capacity, muscular strength and quality of life compared to usual care (UC). However, the long-term clinical benefits of such an intervention are unknown. Design A randomised controlled trial...
January 1, 2018: European Journal of Preventive Cardiology
I C Chis, A Clichici, A L Nagy, A Oros, C Catoi, S Clichici
Diabetic neuropathy (DN) is a frequent, serious and debilitating chronic complication of diabetes mellitus (DM). Hyperglycemia, oxidative and nitrosative stress are involved in causing nerve damage in several animals, humans and experimental models of diabetes. This study was designed to investigate the synergistic cumulative neuroprotective effect of quercetin administration and moderate exercise training on sciatic nerves injuries in streptozotocin (STZ)-diabetic rats. DM was induced in Wistar rats by intraperitoneal administration of STZ (60 mg/kg)...
December 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
John R Best, Janice J Eng, Jennifer C Davis, Robin Hsiung, Peter A Hall, Laura E Middleton, Peter Graf, Charles H Goldsmith, Teresa Liu-Ambrose
INTRODUCTION: Cerebrovascular disease-such as stroke-is the second most common cause of dementia (ie, vascular dementia). Specifically, a stroke increases one's risk for dementia by a factor of two. Thus, stroke survivors represent a target population in need of intervention strategies to promote cognitive function and prevent dementia. The current standard of care in stroke rehabilitation does not adequately address the significant cognitive consequences of stroke, especially for those who are in the chronic phase (ie, >12 months since an index stroke)...
March 17, 2018: BMJ Open
Michael R Deschenes, Shuhan Li, Matthew A Adan, Jane J Oh, Hailey C Ramsey
BACKGROUND: This project aimed to determine the adaptability of the neuromuscular system to the stimuli of exercise training, and aging. METHODS: Young adult, and aged male rats were randomly assigned to either exercise training, or sedentary control groups. Exercise training featured an 8 week program of treadmill running. At the end of the intervention period, neuromuscular function was quantified with ex vivo stimulation procedures on isolated soleus muscles...
March 14, 2018: Experimental Gerontology
Chris Chin Wah Chen, Avigail T Erlich, David A Hood
BACKGROUND: Parkin is a ubiquitin ligase that is involved in the selective removal of dysfunctional mitochondria. This process is termed mitophagy and can assist in mitochondrial quality control. Endurance training can produce adaptations in skeletal muscle toward a more oxidative phenotype, an outcome of enhanced mitochondrial biogenesis. It remains unknown whether Parkin-mediated mitophagy is involved in training-induced increases in mitochondrial content and function. Our purpose was to determine a role for Parkin in maintaining mitochondrial turnover in muscle, and its requirement in mediating mitochondrial biogenesis following endurance exercise training...
March 17, 2018: Skeletal Muscle
Ana Isabel Padrão, Rita Nogueira-Ferreira, Rui Vitorino, Dulce Carvalho, Catarina Correia, Maria João Neuparth, Maria João Pires, Ana Isabel Faustino-Rocha, Lúcio Lara Santos, Paula Alexandra Oliveira, José Alberto Duarte, Daniel Moreira-Gonçalves, Rita Ferreira
Limiting cancer-induced cardiac damage has become an increasingly important issue to improve survival rates and quality of life. Exercise training has been shown to reduce cardiovascular complications in several diseases; however, its therapeutic role against cardiovascular consequences of cancer is in its infancy. In order to add new insights on the potential therapeutic effect of exercise training on cancer-related cardiac dysfunction, we used an animal model of urothelial carcinoma submitted to 13 weeks of treadmill exercise after 20 weeks of exposure to the carcinogenic N-butyl-N-(4-hydroxybutyl)-nitrosamine (BBN)...
March 13, 2018: Archives of Biochemistry and Biophysics
Katharina Wernicke, Sven Zeissler, Frank C Mooren, Torsten Frech, Stephanie Hellmann, Meike Stiesch, Jasmin Grischke, Silvia Linnenweber, Bernhard Schmidt, Jan Menne, Anette Melk, Pascal Bauer, Andree Hillebrecht, Jörg Eberhard
BACKGROUND: This cross-sectional study investigates the potential association between active periodontal disease and high HbA1c levels in type-2-diabetes mellitus subjects under physical training. METHODS: Women and men with a diagnosis of non-insulin-dependent diabetes mellitus and ongoing physical and an ongoing exercise program were included. Periodontal conditions were assessed according to the CDC-AAP case definitions. Venous blood samples were collected for the quantitative analysis of HbA1c...
March 16, 2018: BMC Oral Health
(no author information available yet)
No abstract text is available yet for this article.
April 2018: Medicine and Science in Sports and Exercise
Muaz Belviranli, Nilsel Okudan, Nuran Karakuyu
The objective of this investigation was to compare irisin concentration and its relation with oxidative stress markers, antioxidant enzymes and element levels in both male adolescent swimmers and sedentary controls. Twelve male swimmers aged between 11 and 18 years, who performed regular swimming training for at least 2 years and 12 age- and gender-matched sedentary controls participated in this study. After anthropometric measurements were performed, fasting venous blood samples were taken at rest. Irisin, malondialdehyde (MDA) as a marker of oxidative stress, superoxide dismutase (SOD) as a marker of antioxidant enzyme and elements (Zn, Cu, Se, Cr, Ni, Al, Fe) were analyzed in these samples...
March 16, 2018: Hormone Molecular Biology and Clinical Investigation
Michaël R Laurent
An overview of selected papers related to bone published in 2017 is provided. PURPOSE: This paper accompanies a lecture at the 2018 Belgian Bone Club annual Clinical Update Symposium held in Brussels on January 20th, discussing the best papers (in the opinion of the author) published in the previous year. METHODS: A PubMed search using the keyword "bone" and articles published in 2017. RESULTS: Hot topics include screening for osteoporosis, novel anabolic drugs such as romosozumab and abaloparatide for osteoporosis and rare metabolic bone diseases, as well as long-term efficacy of denosumab and possible risk of multiple vertebral fractures following its discontinuation...
March 15, 2018: Archives of Osteoporosis
Zhong-Min Wang, Xiaoyan Leng, María Laura Messi, Seung J Choi, Anthony P Marsh, Barbara Nicklas, Osvaldo Delbono
Background: Previous studies support beneficial effects of both resistance exercise training (RT) and caloric restriction (CR) on skeletal muscle strength and physical performance. The goal of this study was to determine the effects of adding CR to RT on single-muscle fiber contractility responses to RT in older overweight and obese adults. Methods: We analyzed contractile properties in 1,253 single myofiber from muscle biopsies of the vastus lateralis, as well as physical performance and thigh muscle volume, in 31 older (65-80 yrs), overweight or obese (body mass index= 27-35 kg/m2) men (n=19) and women (n=12) who were randomly assigned to a standardized, progressive RT intervention with CR (RT+CR; n=15) or without CR (RT; n=16) for 5 months...
March 13, 2018: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
Phillip T Chandler, Matthew Greig, John J McMahon
The aim of this study was to investigate changes in vertical jump technique over the course of a training session. Twelve plyometric and ballistic exercise trained male athletes (age = 23.4 ± 4.6 years, body mass = 78.7 ± 18.8 kg, height = 177.1 ± 9.0 cm) performed three sets of 10 repetitions of drop (DJ), rebound (RJ) and squat jumps (SJ). Each exercise was analysed from touch down to peak joint flexion and peak joint flexion to take-off. SJ where analysed from peak joint flexion to take-off only. Jump height, flexion and extension time and range of motion, and instantaneous angles of the ankle, knee and hip joints were measured...
March 13, 2018: Journal of Strength and Conditioning Research
Mads Rosenkilde, Lisbeth Rygaard, Pernille Nordby, Lars Bo Nielsen, Bente Stallknecht
Exercise training and weight loss both reduce cardiovascular risk, but the independent importance of the two strategies is unclear. We aimed to investigate independent and combined effects of exercise training and weight loss on lipoproteins and dyslipidemia in overweight sedentary men. Sixty individuals were randomized to 12 weeks of endurance training (T), energy-reduced diet (D), training and energy increased diet (T-iD), or control (C). Equal energetic deficits (-600 kcal/day) were prescribed by exercise for T and caloric restriction for D...
March 15, 2018: Journal of Applied Physiology
Elie Fiogbé, Rafaela Ferreira, Márcio Antônio Gonçalves Sindorf, Silvia Aparecida Tavares, Keiti Passoni de Souza, Marcelo de Castro Cesar, Charles Ricardo Lopes, Marlene Aparecida Moreno
BACKGROUND AND PURPOSE: It is important to assess the effectiveness and efficiency of water-based training programs in order to prescribe it as an alternative in cardiac rehabilitation for patients who have coronary artery disease (CAD). In these patients, autonomic dysfunction is an important physiological change strongly associated with adverse outcomes, morbidity, and mortality. Given that the beneficial effects of physical training in CAD patients have been traditionally evidenced with programs involving land-based aerobic exercises, this study aims to evaluate the effects of water aerobic exercise training (WAET) on the autonomic modulation of heart rate (HR) and body composition, in the rehabilitation of CAD patients...
March 14, 2018: Physiotherapy Research International: the Journal for Researchers and Clinicians in Physical Therapy
Jung-Hoon Lee, Ruda Lee, Moon-Hyon Hwang, Marc T Hamilton, Yoonjung Park
Background: Vascular endothelial dysfunction induced by hyperglycemia and elevated insulin resistance is a potent risk factor for cardiovascular disease and likely contributes to multiple chronic disease complications associated with aging. The aim of this study was to systematically review and quantify the effects of exercise on endothelial function (EF) in type 2 diabetes (T2D). Methods: Five electronic databases were searched (until June 2017) for studies that met the following criteria: (i) randomized controlled trials; (ii) T2D aged ≥ 18 years; (iii) measured EF by brachial artery flow-mediated dilation (FMD); (iv) structured and supervised exercise intervention for ≥ 8 weeks...
2018: Diabetology & Metabolic Syndrome
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