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https://www.readbyqxmd.com/read/28531762/high-dose-testosterone-enanthate-supplementation-boosts-oxidative-stress-but-exerts-little-effect-on-the-antioxidant-barrier-in-sedentary-adolescent-male-rat-liver
#1
Ewa Sadowska-Krepaa, Barbara Klapcinępa, Barbara Kłapcińska, Sławomir Jagsz, Anna Nowara, Izabela Szołtysek-Bołdys, Małgorzata Chalimoniuk, Józef Langfort, Stanisław J Chrapusta
BACKGROUND: Anabolic-androgenic steroids abuse is on the rise among adolescent boys and young men, mostly in those seeking a 'shortcut' to an improved body image. This approach is associated with the risk of severe adverse health effects, some of which involve the liver and are linked to hepatic oxidative stress. Testosterone and its esters is a cornerstone of most anabolic-androgenic steroid stacking protocols. METHODS: We assessed and compared several hepatotoxicity and liver oxidative stress indices, as well as the contents of some components of the hepatic antioxidant barrier between sedentary adolescent male rats given a 6-week course of weekly im testosterone enanthate (TE, 8 or 80mg/kgBW/week) or vehicle (sesame oil) injections...
March 11, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28530126/association-of-objectively-measured-sedentary-behaviour-and-physical-activity-with-cardiovascular-disease-risk
#2
Ville Vasankari, Pauliina Husu, Henri Vähä-Ypyä, Jaana Suni, Kari Tokola, Jari Halonen, Juha Hartikainen, Harri Sievänen, Tommi Vasankari
Background We evaluated the association of accelerometer-based sedentary behaviour and physical activity with the risk of cardiovascular disease. Design The design of this study used a population-based, cross-sectional sample. Methods A subsample of participants in the Health 2011 Study in Finland used the tri-axial accelerometer (≥4 days, >10 h/day, n = 1398). Sedentary behaviour (sitting, lying) and standing still in six-second epochs were recognised from raw acceleration data based on intensity and device orientation...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28529225/sedentary-behavior-and-cardiovascular-disease-risk-factors-among-latino-adults
#3
Valerie Silfee, Stephenie Lemon, Vilma Lora, Milagros Rosal
BACKGROUND: Sedentary behavior has been associated with increased risk for cardiovascular disease (CVD) among primarily White samples, while studies among Latinos have shown mixed results. PURPOSE: To explore relationships between sedentary behavior and CVD risk factors among a sample of Latino adults. METHODS: A cross-sectional study of 602 Latino adults. Surveys of sedentary behavior and physical activity were orally administered. Anthropometric measurements included weight, height, waist circumference, and blood pressure...
2017: Journal of Health Care for the Poor and Underserved
https://www.readbyqxmd.com/read/28529160/do-unfavourable-alcohol-smoking-nutrition-and-physical-activity-predict-sustained-leisure-time-sedentary-behaviour-a-population-based-cohort-study
#4
Carla F J Nooijen, Jette Möller, Yvonne Forsell, Maria Ekblom, Maria R Galanti, Karin Engström
Comparing lifestyle of people remaining sedentary during longer periods of their life with those favourably changing their behaviour can provide cues to optimize interventions targeting sedentary behaviour. The objective of this study was to determine lifestyle predictors of sustained leisure time sedentary behaviour and assess whether these predictors were dependent on gender, age, socioeconomic position and occupational sedentary behaviour. Data from a large longitudinal population-based cohort of adults (aged 18-97years) in Stockholm responding to public health surveys in 2010 and 2014 were analysed (n=49,133)...
May 18, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28528154/impact-of-exercise-on-the-relationship-between-cac-scores%C3%A2-and-all-cause-mortality
#5
Yoav Arnson, Alan Rozanski, Heidi Gransar, Sean W Hayes, John D Friedman, Louise E J Thomson, Daniel S Berman
OBJECTIVES: This study aims to assess the correlations among coronary artery calcium (CAC), self-reported exercise, and mortality in asymptomatic patients. BACKGROUND: The interaction between reported exercise habits and CAC scores for predicting clinical risk is not yet well known. METHODS: We followed 10,690 asymptomatic patients who underwent CAC scanning. Patients were divided into 4 groups based on a single-item self-reported exercise...
May 11, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28527205/moderate-physical-activity-is-associated-with-cerebral-glucose-metabolism-in-adults-at-risk-for-alzheimer-s-disease
#6
Ryan J Dougherty, Stephanie A Schultz, Taylor K Kirby, Elizabeth A Boots, Jennifer M Oh, Dorothy Edwards, Catherine L Gallagher, Cynthia M Carlsson, Barbara B Bendlin, Sanjay Asthana, Mark A Sager, Bruce P Hermann, Bradley T Christian, Sterling C Johnson, Dane B Cook, Ozioma C Okonkwo
The objective of this study was to investigate the relationship between accelerometer-measured physical activity (PA) and glucose metabolism in asymptomatic late-middle-aged adults. Ninety-three cognitively healthy late-middle-aged adults from the Wisconsin Registry for Alzheimer's Prevention participated in this cross-sectional study. They underwent 18F-fluorodeoxyglucose positron emission tomography (FDG-PET) imaging and wore an accelerometer (ActiGraph GT3X+) to measure free-living PA. Accelerometer data yielded measures of light (LPA), moderate (MPA), and vigorous (VPA) intensity PA...
May 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28526365/calibration-and-validation-of-the-youth-activity-profile-the-flashe-study
#7
Pedro F Saint-Maurice, Youngwon Kim, Paul Hibbing, April Y Oh, Frank M Perna, Gregory J Welk
INTRODUCTION: This study describes the calibration and validity of the Youth Activity Profile (YAP) for use in the National Cancer Institute's Family Life, Activity, Sun, Health, and Eating (FLASHE) study. The calibrated YAP was designed to estimate minutes of moderate to vigorous physical activity (MVPA) and sedentary behavior (SB). METHODS: The YAP was calibrated/validated in adolescents (aged 12-17 years) using cross-sectional data from the FLASHE study. Participants wore a GT3X+ ActiGraph on the dominant wrist for 7 days and then completed the YAP...
June 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28526364/surveillance-of-youth-physical-activity-and-sedentary-behavior-with-wrist-accelerometry
#8
Youngwon Kim, Paul Hibbing, Pedro F Saint-Maurice, Laura D Ellingson, Erin Hennessy, Dana L Wolff-Hughes, Frank M Perna, Gregory J Welk
INTRODUCTION: Accurate tracking of physical activity (PA) and sedentary behavior (SB) is important to advance public health, but little is known about how to interpret wrist-worn accelerometer data. This study compares youth estimates of SB and moderate to vigorous PA (MVPA) obtained using raw and count-based processing methods. METHODS: Data were collected between April and October 2014 for the National Cancer Institute's Family Life, Activity, Sun, Health, and Eating Study: a cross-sectional Internet-based study of youth/family cancer prevention behaviors...
June 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28526329/a-behaviour-change-intervention-to-reduce-sedentary-time-in-people-with-chronic-obstructive-pulmonary-disease-protocol-for-a-randomised-controlled-trial
#9
Sonia Wing Mei Cheng, Jennifer Alison, Sarah Dennis, Emmanuel Stamatakis, Lissa Spencer, Renae McNamara, Susan Sims, Zoe McKeough
INTRODUCTION: Replacing sedentary behaviour with light intensity physical activity (ie, activities classified as less than three metabolic equivalents, such as slow-paced walking) may be a more realistic strategy for reducing cardiometabolic risk in people with chronic obstructive pulmonary disease than only aiming to increase levels of moderate-vigorous intensity physical activity. Behaviour change interventions to reduce sedentary behaviour in people with chronic obstructive pulmonary disease have not yet been developed or tested...
May 16, 2017: Journal of Physiotherapy
https://www.readbyqxmd.com/read/28525406/blood-pressure-among-australian-aboriginal-children
#10
Nicholas Larkins, Armando Teixeira-Pinto, Emily Banks, Hasantha Gunasekera, Alan Cass, Jane Kearnes, Jonathan C Craig
OBJECTIVES: To determine the prevalence of elevated blood pressure (BP) and potential predictors of SBP and DBP in urban Australian aboriginal children. METHODS: The Study of Environment on Aboriginal Resilience and Child Health is a prospective cohort study of urban Aboriginal children attending four Aboriginal Community Controlled Health Services in New South Wales, Australia. Clinical measures included a manual BP measured by research officers using standardized protocols...
May 18, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28525338/different-training-schedules-influence-platelet-aggregation-in-show-jumping-horses
#11
C Giannetto, F Arfuso, F Fazio, E Giudice, S Di Pietro, D Bruschetta, G Piccione
Depending on the intensity, duration and type of physical exercise, equine metabolism has to adapt to nervous, cardiovascular, endocrine and respiratory system requirements. In horses, exercise and training are known to have considerable effects on the mechanisms of hemostatic system involving platelet activity. The aim of the present study was to evaluate the effect of different training schedules on platelet aggregation in 15 Italian Saddle jumping horses. Animals were divided into three equal groups: Group A was subjected to a high intensity-training program; group B to a light training program, group C included sedentary horses...
March 28, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28524729/preschoolers-physical-activity-participation-across-a-yearlong-mastery-motivational-climate-intervention
#12
Danielle D Wadsworth, Mary E Rudisill, Peter A Hastie, Jacqueline M Irwin, Mynor G Rodriguez-Hernandez
PURPOSE: This study sought to determine how children's participation in physical activity during a mastery-motivational climate changed during a 20-week intervention and to compare it to children's free-play activity during a typical day at their local day-care facility. METHOD: Twelve 4-year-old children participated in a mastery-motivational climate physical activity program delivered 2 days a week for 20 weeks during a period of 8 months. All children were fitted with an Actigraph GT3X triaxial accelerometer...
May 19, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28524726/objectively-measured-physical-activity-in-brazilians-with-visual-impairment-description-and-associated-factors
#13
Rafael Barbosa Porcellis da Silva, Alexandre Carriconde Marques, Felipe Fossati Reichert
BACKGROUND: Low level of physical activity is a serious health issue in individuals with visual impairment. Few studies have objectively measured physical activity in this population group, particularly outside high-income countries. The aim of this study was to describe physical activity measured by accelerometry and its associated factors in Brazilian adults with visual impairment. METHODS: In a cross-sectional design, 90 adults (18-95 years old) answered a questionnaire and wore an accelerometer for at least 3 days (including one weekend day) to measure physical activity (min/day)...
May 19, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28524615/correlates-of-sedentary-behaviour-in-adults-a-systematic-review
#14
REVIEW
S A Prince, J L Reed, C McFetridge, M S Tremblay, R D Reid
OBJECTIVE: The objective of this study was to systematically review evidence to identify intrapersonal, social environmental, physical environmental and policy correlates of sedentary behaviour (SB) among adults. METHODS: Six databases were searched to identify studies that reported on intrapersonal, social, physical environmental and/or policy correlates of SB across domains (i.e. occupational, leisure and transportation) in adults (mean ≥ 18 years old). Subgroup differences (sex, age, disease status, publication status and date, weekdays vs...
May 19, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28524399/reallocating-sedentary-time-to-moderate-to-vigorous-physical-activity-but-not-to-light-intensity-physical-activity-is-effective-to-reduce-adiposity-among-youths-a-systematic-review-and-meta-analysis
#15
REVIEW
A García-Hermoso, J M Saavedra, R Ramírez-Vélez, U Ekelund, B Del Pozo-Cruz
The aim of the study was to summarize the evidence of the effects of reallocating time spent in sedentary behaviours in different activity intensities on youth's adiposity. Five databases were searched. Studies that reported the effects of replacing sedentary behaviour with light-intensity physical activity (LIPA) and/or moderate-to-vigorous physical activity (MVPA) on at least one adiposity parameter. The estimated regression coefficients (β) and 95% CIs were combined and meta-analysed. Data from 7,351 youths and five studies were analysed...
May 19, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28522762/postmeal-exercise-blunts-postprandial-glucose-excursions-in-people-on-metformin-monotherapy
#16
Melissa Lynn Erickson, Jonathan Peter Little, Jennifer L Gay, Kevin K McCully, Nathan T Jenkins
Metformin is used clinically to reduce fasting glucose with minimal effects on postprandial glucose. Postmeal exercise reduces postprandial glucose and may offer additional glucose-lowering benefit beyond that of metformin alone, yet controversy exists surrounding exercise and metformin interactions. It is currently unknown how postmeal exercise and metformin monotherapy in combination will affect postprandial glucose. Thus, we examined the independent and combined effects of postmeal exercise and metformin monotherapy on postprandial glucose...
May 18, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28521831/the-sitless-project-exercise-referral-schemes-enhanced-by-self-management-strategies-to-battle-sedentary-behaviour-in-older-adults-study-protocol-for-a-randomised-controlled-trial
#17
Maria Giné-Garriga, Laura Coll-Planas, Míriam Guerra, Àlex Domingo, Marta Roqué, Paolo Caserotti, Michael Denkinger, Dietrich Rothenbacher, Mark A Tully, Frank Kee, Emma McIntosh, Carme Martín-Borràs, Guillermo R Oviedo, Javier Jerez-Roig, Marta Santiago, Oriol Sansano, Guillermo Varela, Mathias Skjødt, Katharina Wirth, Dhayana Dallmeier, Jochen Klenk, Jason J Wilson, Nicole E Blackburn, Manuela Deidda, Guillaume Lefebvre, Denise González, Antoni Salvà
BACKGROUND: Older adults are the fastest growing segment of the world's population. Recent evidence indicates that excessive sitting time is harmful to health, independent of meeting the recommended moderate to vigorous physical activity (PA) guidelines. The SITLESS project aims to determine whether exercise referral schemes (ERS) can be enhanced by self-management strategies (SMSs) to reduce sedentary behaviour (SB), increase PA and improve health, quality of life and function in the long term, as well as psychosocial outcomes in community-dwelling older European citizens from four countries, within a three-armed pragmatic randomised controlled trial, compared with ERS alone and also with general recommendations about PA...
May 18, 2017: Trials
https://www.readbyqxmd.com/read/28520781/physical-activity-and-sedentary-behaviour-in-daily-life-a-comparative-analysis-of-the-global-physical-activity-questionnaire-gpaq-and-the-sensewear-armband
#18
Michelle Laeremans, Evi Dons, Ione Avila-Palencia, Glòria Carrasco-Turigas, Juan Pablo Orjuela, Esther Anaya, Christian Brand, Tom Cole-Hunter, Audrey de Nazelle, Thomas Götschi, Sonja Kahlmeier, Mark Nieuwenhuijsen, Arnout Standaert, Patrick De Boever, Luc Int Panis
Reduction of sedentary time and an increase in physical activity offer potential to improve public health. However, quantifying physical activity behaviour under real world conditions is a major challenge and no standard of good practice is available. Our aim was to compare the results of physical activity and sedentary behaviour obtained with a self-reported instrument (Global Physical Activity Questionnaire (GPAQ)) and a wearable sensor (SenseWear) in a repeated measures study design. Healthy adults (41 in Antwerp, 41 in Barcelona and 40 in London) wore the SenseWear armband for seven consecutive days and completed the GPAQ on the final day...
2017: PloS One
https://www.readbyqxmd.com/read/28520774/affective-responses-in-mountain-hiking-a-randomized-crossover-trial-focusing-on-differences-between-indoor-and-outdoor-activity
#19
Martin Niedermeier, Jürgen Einwanger, Arnulf Hartl, Martin Kopp
INTRODUCTION: Affective responses during physical activity (PA) are important for engagement in PA programs and for adherence to a physically active lifestyle. Little is known about the affective responses to PA bouts lasting longer than 45 minutes. Therefore, the aims of the present study were to analyse acute effects on affective responses of a three-hour outdoor PA intervention (mountain hiking) compared to a sedentary control situation and to an indoor treadmill condition. METHODS: Using a randomized crossover design, 42 healthy participants were randomly exposed to three different conditions: outdoor mountain hiking, indoor treadmill walking, and sedentary control situation (approximately three hours each)...
2017: PloS One
https://www.readbyqxmd.com/read/28520463/a-preclinical-assessment-of-early-continuous-passive-motion-and-treadmill-therapeutic-exercises-for-generating-chondroprotective-effects-after-anterior-cruciate-ligament-rupture
#20
Nai-Jen Chang, Kuan-Wei Lee, Chih-Jou Chu, Ming-You Shie, Pei-Hsi Chou, Chih-Chan Lin, Peir-In Liang
BACKGROUND: Anterior cruciate ligament (ACL) injury is a well-known risk factor for the development of posttraumatic osteoarthritis (PTOA). However, whether using continuous passive motion (CPM) with or without additional treadmill exercise (TRE) in early ACL injury might provide chondroprotective effects and further decrease the risk of PTOA has yet to be determined. HYPOTHESIS: CPM may offer an enhanced chondroprotective effect, but TRE may attenuate that effect due to the mechanical stress on the joint and inflammatory cytokines in the joint...
May 1, 2017: American Journal of Sports Medicine
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