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https://www.readbyqxmd.com/read/28926870/cardiovascular-responses-to-resistance-exercise-performed-with-large-and-small-muscle-mass
#1
Lenifran Matos-Santos, Paulo Farinatti, Juliana P Borges, Renato Massaferri, Walace Monteiro
Prior research about the effects of the amount of exercised muscle mass upon cardiovascular responses (CVR) has neglected a potential bias related to total exercise and concentric/eccentric duration. Autonomic responses and perceived exertion (RPE) were compared in resistance exercises performed with larger and smaller muscle mass and matched for total exercise and concentric/eccentric duration. Twelve men performed 4 sets of 12 repetitions of unilateral (UNI) and bilateral (BIL) knee extensions at 70% of 12RM...
September 19, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28926676/randomized-controlled-trial-of-increasing-physical-activity-on-objectively-measured-and-self-reported-cognitive-functioning-among-breast-cancer-survivors-the-memory-motion-study
#2
Sheri J Hartman, Sandahl H Nelson, Emily Myers, Loki Natarajan, Dorothy D Sears, Barton W Palmer, Lauren S Weiner, Barbara A Parker, Ruth E Patterson
BACKGROUND: Increasing physical activity can improve cognition in healthy and cognitively impaired adults; however, the benefits for cancer survivors are unknown. The current study examined a 12-week physical activity intervention, compared with a control condition, on objective and self-reported cognition among breast cancer survivors. METHODS: Sedentary breast cancer survivors were randomized to an exercise arm (n = 43) or a control arm (n = 44). At baseline and at 12 weeks, objective cognition was measured with the National Institutes of Health Cognitive Toolbox, and self-reported cognition using the Patient-Reported Outcomes Measurement Information System scales...
September 19, 2017: Cancer
https://www.readbyqxmd.com/read/28926614/effect-of-chronic-stress-on-running-wheel-activity-in-mice
#3
Evan DeVallance, Dale Riggs, Barbara Jackson, Travis Parkulo, Stanley Zaslau, Paul D Chantler, I Mark Olfert, Randy W Bryner
Acute and chronic stress have been reported to have differing effects on physical activity in rodents, but no study has examined a chronic stress protocol that incorporates stressors often experienced by rodents throughout a day. To examine this, the effects of the Unpredictable Chronic Mild Stress (UCMS) protocol on voluntary running wheel activity at multiple time points, and/or in response to acute removal of chronic stress was determined. Twenty male Balb/c mice were given access and accustomed to running wheels for 4 weeks, after which they were randomized into 2 groups; exercise (EX, n = 10) and exercise with chronic stress using a modified UCMS protocol for 7 hours/day (8:00 a...
2017: PloS One
https://www.readbyqxmd.com/read/28926466/barriers-impeding-the-use-of-non-pharmacological-non-surgical-care-in-hip-and-knee-osteoarthritis-the-views-of-general-practitioners-physical-therapists-and-medical-specialists
#4
Ellen M H Selten, Johanna E Vriezekolk, Marc W Nijhof, Henk J Schers, Roelien G van der Meulen-Dilling, Willemijn H van der Laan, Rinie Geenen, Cornelia H M van den Ende
BACKGROUND: Non-pharmacological, non-surgical treatment modalities are underused in the management of knee and hip osteoarthritis (OA). One possible explanation for this could be healthcare providers' opinions about these treatment modalities. The objective of this qualitative study was to identify healthcare providers' views on non-pharmacological, non-surgical care for OA. METHODS: Semi-structured in-depth interviews with 24 healthcare providers (rheumatologists, orthopedic surgeons, physical therapists and general practitioners) were held...
September 19, 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28925651/exercise-stress-testing-indications-and-common-questions
#5
Kathryn K Garner, William Pomeroy, James J Arnold
Exercise stress testing is a validated diagnostic test for coronary artery disease in symptomatic patients, and is used in the evaluation of patients with known cardiac disease. Testing of asymptomatic patients is generally not indicated. It may be performed in select deconditioned adults before starting a vigorous exercise program, but no studies have compared outcomes from preexercise testing vs. encouraging light exercise with gradual increases in exertion. Preoperative exercise stress testing is helpful for risk stratification in patients undergoing vascular surgery or who have active cardiac symptoms before undergoing nonemergent noncardiac surgery...
September 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/28925334/comparative-patient-satisfaction-and-feasibility-of-a-pilot-parkinson-s-disease-enrichment-program
#6
Tabina K Choudhury, Celeste Harris, Kathleen Crist, Terry K Satterwhite, Michele K York
BACKGROUND: Available treatment options for Parkinson's disease (PD) are primarily aimed at pharmacological and/or neurosurgical management of motor symptoms. However, many patients also experience chronic non-motor symptoms (NMS), including significant cognitive and mood changes. Currently, there is a gap in the neuropsychological literature regarding the efficacy of nonpharmacological treatment options for cognitive and mood changes in PD. OBJECTIVE: We sought to evaluate the efficacy and patient satisfaction of a pilot nonpharmacological intervention for alleviating NMS in patients with PD...
September 2017: Journal of Geriatric Psychiatry and Neurology
https://www.readbyqxmd.com/read/28924220/towards-addressing-the-body-electrolyte-environment-via-sweat-analysis-pilocarpine-iontophoresis-supports-assessment-of-plasma-potassium-concentration
#7
Donato Vairo, Laurie Bruzzese, Marion Marlinge, Lea Fuster, Nabil Adjriou, Nathalie Kipson, Philippe Brunet, Jennifer Cautela, Yves Jammes, Giovanna Mottola, Stephane Burtey, Jean Ruf, Regis Guieu, Emmanuel Fenouillet
Electrolyte concentration in sweat depends on environmental context and physical condition but also on the pathophysiological status. Sweat analyzers may be therefore the future way for biological survey although how sweat electrolyte composition can reflect plasma composition remains unclear. We recruited 10 healthy subjects and 6 patients to have a broad range of plasma electrolyte concentrations (chloride, potassium and sodium) and pH. These variables were compared to those found in sweat produced following cycling exercise or pilocarpine iontophoresis, a condition compatible with operating a wearable device...
September 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28923331/effects-of-low-density-lipoprotein-cholesterol-on-coronary-artery-calcification-progression-according-to-high-density-lipoprotein-cholesterol-levels
#8
Da Young Lee, Ji Hyun Kim, Se Eun Park, Cheol-Young Park, Ki-Won Oh, Sung-Woo Park, Eun-Jung Rhee, Won-Young Lee
BACKGROUND AND AIM: Previous studies reported that many patients are at high risk for cardiovascular disease (CVD) despite achieving recommended low-density lipoprotein cholesterol (LDL-C) levels. Therefore, we investigated whether the association between LDL-C and the risk for incident CVD differed according to high-density lipoprotein cholesterol (HDL-C) levels using coronary artery calcium score (CACS) progression as a surrogate marker for predicting CVD. METHODS: We investigated 2132 Korean men in a health screening program, in which CACS was measured at baseline and after 4 years...
April 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/28923244/cardio-respiratory-function-during-exercise-in-the-cobia-rachycentron-canadum-the-impact-of-crude-oil-exposure
#9
Derek Nelson, John D Stieglitz, Georgina K Cox, Rachael M Heuer, Daniel D Benetti, Martin Grosell, Dane A Crossley
Aerobic exercise capacity is dependent on the cardiorespiratory system's ability to supply oxygen at a rate that meets energetic demands. In teleost fish crude oil exposure, with the associated polycyclic aromatic hydrocarbons (PAH's), reduces exercise performance and this has been hypothesized to be due to compromised cardiovascular function. In this study, we test this hypothesis by simultaneously measuring cardiovascular performance, oxygen consumption, and swim performance in a pelagic teleost, the cobia (Rachycentron canadum)...
September 15, 2017: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
https://www.readbyqxmd.com/read/28922936/the-effects-of-worry-and-relaxation-on-flexibility-during-cognitive-restructuring
#10
Elizabeth S Stevens, Alexander A Jendrusina, Alison C Legrand, Erica R Nahin, Michelle Goldwin Kaufman, Thomas D Borkovec, Evelyn Behar
Worry is associated with inflexibility in cognitive, emotional, and physiological functioning. In addition, worry's negative valence and abstract level of construal are rigid characteristics that contribute to its nonadaptive consequences. Relaxation and cognitive therapy aim to increase flexibility in chronic worriers, and may have greater efficacy when administered in combination. We examined the extent to which relaxation enhances and/or worry inhibits cognitive flexibility during a cognitive restructuring exercise in which participants generated alternative predictions for their worries...
September 1, 2017: Behavior Modification
https://www.readbyqxmd.com/read/28922692/phosphodiesterase-4-inhibitors-for-chronic-obstructive-pulmonary-disease
#11
REVIEW
Jimmy Chong, Bonnie Leung, Phillippa Poole
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is associated with cough, sputum production or dyspnoea and a reduction in lung function, quality of life and life expectancy. Apart from smoking cessation, there are no other treatments that slow lung function decline. Roflumilast and cilomilast are oral phosphodiesterase 4 (PDE4) inhibitors proposed to reduce the airway inflammation and bronchoconstriction seen in COPD. This is an update of a Cochrane review first published in 2011 and updated in 2013...
September 19, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28922683/reproducibility-reliability-and-agreement-of-post-exercise-hypotension
#12
Rafael Yokoyama Fecchio, Marcel Chehuen, Leandro Campos Brito, Tiago Peçanha, Andréia Cristiane Carrenho Queiroz, Claudia Lucia de Moraes Forjaz
This study determined the reproducibility of post-exercise hypotension (PEH) calculated by the following methods: PEH_I=post-exercise BP - pre-exercise BP; PEH_II=post-exercise BP - post-control BP; and PEH_III=[(post-exercise BP - pre-exercise BP)-(post-control BP - pre-control BP)]. Twenty-five participants underwent four sessions divided in two blocks (test and retest). Each block consisted of one exercise and one control session. BP pressure was measured before and after the interventions. The presence of systematic error (paired t-tests), reliability [intraclass coefficient correlation (ICC)], and agreement [typical error (TE) and minimal detectable difference (MDD)] were evaluated...
September 18, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28922213/elastic-resistance-effectiveness-on-increasing-strength-of-shoulders-and-hips
#13
Kelsey J Picha, Muataz R Almaddah, Jordan Barker, Tavis Ciochetty, W Scott Black, Tim L Uhl
Elastic resistance is a common training method used to gain strength. Currently, progression with elastic resistance is based on the perceived exertion of the exercise or completion of targeted repetitions; exact resistance is typically unknown. This study's objective is to determine if knowledge of load during elastic resistance exercise will increase strength gains during exercises. Participants were randomized into two strength training groups, elastic resistance only and elastic resistance using a load cell (LC) that displays force during exercise...
September 12, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28922049/magnitudes-of-muscle-activation-of-spine-stabilizers-in-healthy-adults-during-prone-on-elbow-planking-exercises-with-and-without-a-fitness-ball
#14
James W Youdas, Kendra C Coleman, Erin E Holstad, Stephanie D Long, Nicole L Veldkamp, John H Hollman
Prone planking exercises have been used by rehabilitation professionals to activate torso muscles in healthy persons and those with low back pain. The aim of this study was to compare the magnitude of electromyographic (EMG) muscle activation from 10 right-sided muscles as demonstrated by the percentage of maximum voluntary isometric contraction (%MVIC) during four planking procedures. Surface EMG activity was acquired from the following muscles: (1) iliocostalis lumborum (IL), (2) longissimus thoracis (LT), (3) lumbar multifidus (LM), (4) rectus abdominis (RA), (5) external oblique (EO), (6) internal oblique (IO), (7) serratus anterior (SA), (8) latissimus dorsi (LD), (9) hamstrings (HS), and (10) gluteus maximus (GM)...
September 18, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28921915/weekly-glucagon-like-peptide-1-receptor-agonist-albiglutide-as-monotherapy-improves-glycemic-parameters-in-japanese-patients-with-type-2-diabetes-mellitus-a-randomized-double-blind-placebo-controlled-study
#15
Antonio Nino, Inaha Okuda, Timothy H Wilson, Lin Yue, Hiromu Nakajima, Maho Tsuboi, Molly C Carr, Yutaka Seino
AIMS/INTRODUCTION: This phase 3, randomized, double-blind 24-week study with extension to 1 year assessed efficacy and safety of albiglutide compared with placebo in Japanese patients with type 2 diabetes mellitus (T2DM) inadequately controlled by diet and exercise with or without a single oral antidiabetic drug. MATERIALS AND METHODS: Patients received weekly albiglutide 30 mg (n=160), albiglutide 50 mg (n=150), or placebo switched to albiglutide 30 mg after 24 weeks (n=77)...
September 16, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28921787/myocardial-bridging-is-associated-with-exercise-induced-ventricular-arrhythmia-and-increases-in-qt-dispersion
#16
Makiko Nishikii-Tachibana, Vedant S Pargaonkar, Ingela Schnittger, Francois Haddad, Ian S Rogers, Jennifer A Tremmel, Paul J Wang
BACKGROUND: A myocardial bridge (MB) has been associated with ventricular arrhythmia and sudden death during exercise. QT dispersion (QTd) is a measure of abnormal repolarization and may predict ventricular arrhythmia. We investigated the frequency of ventricular arrhythmias during exercise and the QTd at rest and after exercise, in patients with an MB compared to a normal cohort. METHODS: We studied the rest and stress ECG tracings of patients with an MB suspected by focal septal buckling on exercise echocardiography (EE) (Echo-MB group, N = 510), those with an MB confirmed by another examination (MB group, N = 110), and healthy controls (Control group, N = 198)...
September 18, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28921674/decline-in-effort-capacity-with-age-echocardiographic-stress-analysis-in-the-elderly
#17
Anat Milman, Gad Keren, Yan Topilsky
BACKGROUND: The present study was designed to assess the underlying mechanism of decline in effort capacity seen with aging. METHODS: We analyzed 250 healthy senior patients (≥65 years) with an ejection fraction ≥60% who underwent a stress echocardiogram test. The seniors (aged 65-94) were divided into 3 equal age groups (groups 1, 2, and 3), and their echo characteristics at rest and peak exercise (measured and calculated) were compared. RESULTS: Diastolic function at rest declined significantly (E lateral, E septal, E/E', A) with age, while other rest parameters were similar...
September 17, 2017: Echocardiography
https://www.readbyqxmd.com/read/28920890/exercise-in-patients-with-multiple-sclerosis
#18
REVIEW
Robert W Motl, Brian M Sandroff, Gert Kwakkel, Ulrik Dalgas, Anthony Feinstein, Christoph Heesen, Peter Feys, Alan J Thompson
Exercise can be a beneficial rehabilitation strategy for people with multiple sclerosis to manage symptoms, restore function, optimise quality of life, promote wellness, and boost participation in activities of daily living. However, this population typically engages in low levels of health-promoting physical activity compared with adults from the general population, a fact which has not changed in the past 25 years despite growing evidence of the benefits of exercise. To overcome this challenge, the main limitations to promoting exercise through the patient-clinician interaction must be addressed...
October 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28920548/target-range-of-motion-at-3-months-after-arthroscopic-rotator-cuff-repair-and-its-effect-on-the-final-outcome
#19
Hisahiro Tonotsuka, Hiroyuki Sugaya, Norimasa Takahashi, Nobuaki Kawai, Hajime Sugiyama, Keishi Marumo
PURPOSE: The postoperative protocol after arthroscopic rotator cuff repair (ARCR) is still controversial. Some surgeons recommend slower rehabilitation in order to improve the integrity of the repair, while others prefer early range-of-motion (ROM) exercise to avoid postoperative stiffness. The purpose of this study was to determine target ROM (T-ROM) measurements at 3 months after ARCR that are predictive of eventual full recovery without structural failure. METHODS: The cases consisted of 374 shoulders in 360 patients who underwent primary ARCR and were followed up for at least 2 years...
September 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28919863/oxygen-uptake-kinetics-is-slower-in-swimming-than-arm-cranking-and-cycling-during-heavy-intensity
#20
Ana Sousa, Fabio Borrani, Ferran A Rodríguez, Grégoire P Millet
Oxygen uptake ([Formula: see text]) kinetics has been reported to be influenced by the activity mode. However, only few studies have compared [Formula: see text]O2 kinetics between activities in the same subjects in which they were equally trained. Therefore, this study compared the [Formula: see text]O2 kinetics response to swimming, arm cranking, and cycling within the same group of subjects within the heavy exercise intensity domain. Ten trained male triathletes (age 23.2 ± 4.5 years; height 180.8 ± 8...
2017: Frontiers in Physiology
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