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https://www.readbyqxmd.com/read/28633487/high-intensity-interval-training-hiit-improves-physical-performance-and-frailty-in-aged-mice
#1
Kenneth Ladd Seldeen, Ginger Lasky, Merced Maria Leiker, Manhui Pang, Kirkwood Ely Personius, Bruce Robert Troen
Sarcopenia and frailty are highly prevalent in older individuals, increasing the risk of disability and loss of independence. High intensity interval training (HIIT) may provide a robust intervention for both sarcopenia and frailty by achieving both strength and endurance benefits with lower time commitments than other exercise regimens. To better understand the impacts of HIIT during aging, we compared 24-month-old C57BL/6J sedentary mice with those that were administered 10-minute uphill treadmill HIIT sessions three times per week over 16 weeks...
June 17, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28632593/functional-and-radiographic-outcomes-following-growth-sparing-management-of-early-onset-scoliosis
#2
Charles E Johnston, Dong-Phuong Tran, Anna McClung
BACKGROUND: In this study, we sought to evaluate radiographic, functional, and quality-of-life outcomes of patients who have completed growth-sparing management of early-onset scoliosis. METHODS: This prospective study involved patients with early-onset scoliosis who underwent growth-sparing treatment and either "final" fusion or observation for ≥2 years since the last lengthening procedure. Demographics, radiographic parameters, pulmonary function test (PFT) values, and scores of patient-reported assessments (Early-Onset Scoliosis Questionnaire [EOSQ] and Scoliosis Research Society [SRS]-30) were obtained...
June 21, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28630579/effects-of-exercise-in-the-fasted-and-postprandial-state-on-interstitial-glucose-in-hyperglycemic-individuals
#3
Håvard Nygaard, Bent R Rønnestad, Daniel Hammarström, Gerd Holmboe-Ottesen, Arne T Høstmark
The purpose of the present study was to test if one bout of moderate exercise performed in either the fasted or the postprandial state affects glucose values measured over 22 hours. Twelve participants diagnosed with hyperglycemia not using antidiabetic medications underwent 3 test days in a randomized cross-over design encompassing one test day without exercise, one test day with 60 min of treadmill walking prior to breakfast, and one test day with an identical bout of exercise 30 min after the start of breakfast...
June 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28628259/exercise-prior-to-but-not-concomitant-with-stress-reverses-stress-induced-delayed-skin-wound-healing
#4
Bianca O Saguie, Bruna Romana-Souza, Rayssa L Martins, Andréa Monte-Alto-Costa
Stress-induced prolonged inflammation impairs cutaneous wound healing. Exercise may inhibit this effect via an anti-inflammatory mechanism. Our aim was to investigate the effect of moderate exercise on skin wound healing in chronically stressed mice. Mice were trained five times per week on a treadmill or received no training. Mice underwent daily rotational stress from the 6(th) week until euthanasia. During the 8(th) week, two wounds were created in the dorsum and collected 10 days later. A control group only received wounds...
June 19, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28627195/exercise-improved-semen-quality-and-reproductive-hormone-levels-in-sedentary-obese-adults
#5
Miguel Ángel Rosety, Antonio Jesus Díaz, Jesús María Rosety, María Teresa Pery, Francisco Brenes-Martín, Marco Bernardi, Natalia García, Manuel Rosety-Rodríguez, Francisco Javier Ordoñez, Ignacio Rosety
INTRODUCTION: From the previously published literature on the relationship between obesity and infertility, it is clear that male obesity negatively impacts semen quality. Accordingly, this study was conducted to determine whether regular exercise may improve semen quality in sedentary obese adults. MATERIAL AND METHODS: Ninety obese adults were randomly allocated to the intervention (n = 45) or control group (n = 45). Participants in the intervention group performed a 16-week aerobic training program in a treadmill, three sessions per week, consisting of a warm-up (10-15 minutes), 35-50 minutes treadmill exercise (increasing five minutes per four weeks) at a work intensity of 50-65% of peak heart rate (increasing a 5% per four weeks) and cooling-down (5-10 minutes)...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28627036/validation-of-masks-for-determination-of-v%C3%AC-o2-max-in-horses-exercising-at-high-intensity
#6
R H Sides, R Kirkpatrick, E Renner, K Gough, L M Katz, D L Evans, W M Bayly
BACKGROUND: The need for a horse to be ridden while wearing a measurement device that allows unrestricted ventilation and gas exchange has hampered accurate measurement of its maximal oxygen consumption (V̇O2 max) under field conditions. OBJECTIVES: Design and validate a facemask with the potential to accurately measure V̇O2 max in the field. STUDY DESIGN: Experiment with 6 x 6 Latin square design. METHODS: Two variations of a mask and associated electronic control module (ECM) were designed to enable breath-by-breath measurement of airflows through two 7...
June 19, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28626963/exercise-training-modulates-the-hepatic-renin-angiotensin-system-in-fructose-fed-rats
#7
Eliete Dalla Corte Frantz, Renata Frauches Medeiros, Isabele Gomes Giori, Juliana Bittencourt Silveira Lima, Thais Bento-Bernardes, Thaiane Gadioli Gaique, Caroline Fernandes-Santos, Tiago Fernandes, Edilamar Menezes Oliveira, Carla Paulo Vieira, Carlos Adam Conte-Junior, Karen Jesus Oliveira, Antonio Claudio Lucas da Nóbrega
The renin-angiotensin system (RAS) has been implicated in the development of metabolic syndrome. We investigated whether the hepatic RAS is modulated by exercise training and if this modulation improves the deleterious effects of fructose overload in rats. Male Wistar rats were divided into (n = 8 each) control (CT), exercise control (CT-Ex), high fructose (HFr) and exercise high fructose (HFr-Ex) groups. Fructose-drinking rats received D-fructose (100 g L(-1) ). After two weeks, CT-Ex and HFr-Ex rats were assigned to a treadmill training protocol at moderate-intensity for eight weeks (60 min day(-1) , four days/week)...
June 19, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28626310/can-blood-pressure-be-measured-during-exercise-with-an-automated-sphygmomanometer-based-on-an-oscillometric-method
#8
Tomoyuki Shinohara, Naoko Tsuchida, Kanako Seki, Tomohiro Otani, Tatsuya Yamane, Yamato Ishihara, Chinatsu Usuda
[Purpose] This study investigated the reliability of an automated sphygmomanometer based on an oscillometric method, when used during exercise. [Subjects and Methods] Ten healthy subjects were included. Blood pressure (BP) was measured with an automated sphygmomanometer based on a cuff-oscillometric method. The experiment consisted of five tests: sitting posture at rest, walking with swinging the upper limbs, walking without swinging the upper limbs, walking on a treadmill, and riding a bicycle ergometer. Right and left brachial artery BP was measured twice at the same times...
June 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28625282/high-intensity-exercise-training-for-improving-reproductive-function-in-infertile-patients-a-randomized-controlled-trial
#9
Behzad Hajizadeh Maleki, Bakhtyar Tartibian
OBJECTIVE: The purpose of this RCT was to investigate whether a 24-week program of high-intensity exercise was beneficial for improving reproductive function in infertile male patients. METHODS: Infertile men (n = 433) were randomly assigned to exercise (n = 218) and non-exercise (n = 215) groups. The seminal markers of inflammation and oxidative stress, semen quality parameters, sperm DNA fragmentation, and pregnancy rate were measured at baseline, at the end of week 12, at the end of week 24, and at 7 and 30 days during recovery...
July 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28624663/role-of-exercise-electrocardiogram-to-screen-for-t-wave-oversensing-after-implantation-of-subcutaneous-implantable-cardioverter-defibrillator
#10
Muhammad R Afzal, Christopher Evenson, Auroa Badin, Dilesh Patel, Hemant Godara, Michael Essandoh, Toshimasa Okabe, Jaret Tyler, Mahmoud Houmsse, Ralph Augostini, John Hummel, Steven Kalbfleisch, Emile G Daoud, Raul Weiss
BACKGROUND: During early experience with subcutaneous implantable cardioverter defibrillator (S-ICD(TM)), several patients had inappropriate shocks from TWOS during exercise. This prompted some operators to perform routine treadmill exercise test after implantation of S-ICD to screen for TWOS. Meanwhile, improvements have been made in the detection algorithms by the manufacturer. OBJECTIVE: To assess whether routine treadmill exercise post S-ICD(TM) implantation is warranted...
June 14, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28624257/moderate-exercise-training-decreases-inflammation-in-transgenic-sickle-cell-mice
#11
Emmanuelle Charrin, John J Dubé, Philippe Connes, Vincent Pialoux, Samit Ghosh, Camille Faes, Solomon F Ofori-Acquah, Cyril Martin
Chronic systemic inflammation is a pathophysiological feature of sickle cell disease (SCD). Considering that regular exercise exerts multiple beneficial health effects including anti-inflammatory actions, we investigated whether a treadmill training program could minimize the inflammatory state in transgenic sickle cell (SS) mice. To test this hypothesis, SS mice were subjected to a treadmill training protocol of 1h/day, 5days a week for 8weeks. Exercise training increased the percent of venous oxyhemoglobin and sharply decreased the percent of carboxyhemoglobin suggesting that exercise training may limit the proportion of erythrocytes that were deoxygenated in the venous circulation...
June 13, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28621015/perturbation-based-balance-training-for-falls-reduction-among-older-adults-current-evidence-and-implications-for-clinical-practice
#12
REVIEW
Marissa H G Gerards, Christopher McCrum, Avril Mansfield, Kenneth Meijer
Falls are a leading cause of injury, hospitalization and even death among older adults. Although various strength and balance exercise interventions have shown moderate reductions in falls incidence among healthy older adults, no significant falls incidence improvements have been consistently seen in frail older adults or in patient groups with an increased falls risk (e.g. people with Parkinson's disease and stroke). This might be due to a lack of task specificity of previous exercise interventions to the recovery actions required to prevent a fall...
June 16, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28617840/a-new-test-for-diagnosing-vasovagal-syncope-standing-after-treadmill-test-with-sublingual-nitrate-administration
#13
Tae-Hoon Kim, Ho-Jun Jang, Sihun Kim, Sung Yun Cho, Kyung Sun Song, Christopher Pickett, Heiko J Schmitt, Juyong Lee
INTRODUCTION: Increased adrenergic tone might be an additional trigger of orthostatic stress of vasovagal syncope (VVS). Exercise before standing might provide increased sensitivity compared to standing using a sublingual nitroglycerines protocol during tilt table testing. The aim of this study was to evaluate the diagnostic value of treadmill testing before standing with nitroglycerin administration. METHODS AND RESULTS: A total of 36 patients with syncope or presyncope were enrolled for the test...
2017: PloS One
https://www.readbyqxmd.com/read/28613947/the-effects-of-basal-insulin-suspension-at-the-start-of-exercise-on-blood-glucose-levels-during-continuous-versus-circuit-based-exercise-in-individuals-with-type-1-diabetes-on-continuous-subcutaneous-insulin-infusion
#14
Dessi Zaharieva, Loren Yavelberg, Veronica Jamnik, Ali Cinar, Kamuran Turksoy, Michael C Riddell
BACKGROUND: Exercise causes glycemic disturbances in individuals with type 1 diabetes (T1D). Continuous moderate-intensity aerobic exercise (CON) generally lowers blood glucose (BG) levels and often leads to hypoglycemia. In comparison, circuit-based exercise (CIRC) may attenuate the drop in BG. The goal of this study is to contrast the effects of basal insulin suspension at the onset of two different forms of exercise (CON vs. CIRC). METHODS: Twelve individuals (six men and six women) with T1D on insulin pump therapy were recruited for the study...
June 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28612908/association-between-fractional-flow-reserve-and-duke-treadmill-score-in-patients-with-single-vessel-disease
#15
Süleyman Kalaycı, Belma Kalaycı, Ekrem Şahan, Asiye Ayça Ayyılmaz Boyacı
BACKGROUND: Duke Treadmill score (DTS) is an index that provides prognostic information calculated at exercise stress test (EST). Fractional flow reserve (FFR) is an invasive method used to evaluate intermediate coronary stenosis. The direct relation of DTS and FFR has not been studied to date. AIM: The present study aims to investigate the relationship between the Duke Treadmill score (DTS) and fractional flow reserve (FFR). METHODS: The study population consisted of a total of 106 patients who have single-vessel disease, as confirmed by the coronary angiography (CAG), performed following EST, and whose FFRs have been measured...
June 14, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28612902/comparison-of-prognostic-values-of-cardiopulmonary-and-heart-rate-parameters-in-exercise-testing-in-men-with-heart-failure
#16
Łukasz Czubaszewski, Anna Straburzyńska-Lupa, Jacek Migaj, Ewa Straburzyńska-Migaj
BACKGROUND: Cardiopulmonary exercise testing (CPET) is the gold standard in the evaluation of patients with chronic heart failure (CHF). However, this test is relatively expensive, assessment of its results requires experience, and in Poland it is available only in tertiary health care centers. Many heart rate (HR) parameters taken during a standard electrocardiographic (ECG) exercise test also shows prognostic values. Thus, the aim of this study is to compare prognostic values of ventilatory and HR parameters in exercise testing in CHF patients, and to find out if HR parameters can be used instead of ventilatory in the evaluation of a prognosis...
June 14, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28612273/treadmill-exercise-alters-ecstasy-induced-long-term-potentiation-disruption-in-the-hippocampus-of-male-rats
#17
Azam Sajadi, Iraj Amiri, Alireza Gharebaghi, Alireza Komaki, Masoumeh Asadbeigi, Siamak Shahidi, Mehdi Mehdizadeh, Sara Soleimani Asl
3, 4-methylenedioxymethamphetamine (MDMA) or ecstasy is a derivative of amphetamine that leads to long term potentiation (LTP) disruption in the hippocampal dentate gyrus (DG). Exercise has been accepted as a treatment for the improvement of neurodegenerative disease. Herein, the effects of exercise on the MDMA- induced neurotoxicity were assessed. Male Wistar rats received intraperitoneal injection of MDMA (10 mg/kg) and exercised for one month on a treadmill (Simultaneously or asynchronously with MDMA). LTP and expression of BDNF were assessed using electrophysiology and western blotting methods, respectively...
June 13, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28612121/estimation-of-respiratory-volume-from-thoracoabdominal-breathing-distances-comparison-of-two-models-of-machine-learning
#18
Rémy Dumond, Steven Gastinger, Hala Abdul Rahman, Alexis Le Faucheur, Patrice Quinton, Haitao Kang, Jacques Prioux
PURPOSE: The purposes of this study were to both improve the accuracy of respiratory volume (V) estimates using the respiratory magnetometer plethysmography (RMP) technique and facilitate the use of this technique. METHOD: We compared two models of machine learning (ML) for estimating [Formula: see text]: a linear model (multiple linear regression-MLR) and a nonlinear model (artificial neural network-ANN), and we used cross-validation to validate these models. Fourteen healthy adults, aged [Formula: see text] years participated in the present study...
June 13, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28610577/coronary-angiogenic-effect-of-long-term-administration-of-nigella-sativa
#19
Lubna I Al Asoom
BACKGROUND: Coronary angiogenesis is one of the preferable adaptive responses of aerobic training. Previous studies found inotropic and hypertrophic cardiac effects for long-term administration of Nigella sativa (NS), but no studies have explored its coronary angiogenic effect. The present study compared the effect of long-term NS- administration and exercise training on the induction of coronary angiogenesis. METHOD: Fifteen adult male Wistar rats were divided into three groups: control, NS-fed, and exercise-trained (Ex)...
June 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28609218/lung-function-measures-following-simulated-wildland-firefighter-exposures
#20
Matthew D Ferguson, Erin O Semmens, Emily Weiler, Joe Domitrovich, Mary French, Christopher Migliaccio, Charles Palmer, Charles Dumke, Tony Ward
Across the world, biomass smoke is a major source of air pollution and is linked with a variety of adverse health effects. This is particularly true in the western US where wood smoke from wildland forest fires are a significant source of PM2.5. Wildland firefighters are impacted as they experience elevated PM2.5 concentrations over extended periods of time, often occurring during physical exertion. Various epidemiological studies have investigated wood smoke impacts on human health, including occupational field exposures experienced by wildland firefighters...
June 13, 2017: Journal of Occupational and Environmental Hygiene
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