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March 2018: Current Sports Medicine Reports
Jonathan D Wiles, Katrina Taylor, Damian Coleman, Rajan Sharma, Jamie M O'Driscoll
Few studies have investigated the relative safety of prescribing isometric exercise (IE) to reduce resting blood pressure (BP). This study aimed to ascertain the safety of the hemodynamic response during an IE wall squat protocol.Twenty-six hypertensive (BP of 120-139 mm Hg systolic and/or 80-90 mm Hg diastolic) males (45 ± 8 years; 1.78 ± 0.07 m; 89.7 ± 12.3 kg; mean ± SD), visited the laboratory on 2 separate occasions. Heart rate (HR) and BP were measured at rest and continuously throughout exercise...
March 2018: Medicine (Baltimore)
Yang Hua, Shuxiao Wang, Jingkun Jiang, Wei Zhou, Qingcheng Xu, Xiaoxiao Li, Baoxian Liu, Dawei Zhang, Mei Zheng
Annual average PM2.5 concentration in south Beijing was 30% and 40% higher than the whole Beijing city in 2015 and 2016, respectively. Few studies have been conducted to investigate what leads to the characteristics and sources of heavy pollution in the south rural area of Beijing. This study conducted an observation with Aerosol Chemical Speciation Monitor (ACSM) at a southwest rural site (Liulihe) in Beijing during 2014-2016, to investigate the seasonal aerosol characteristics and their sources. Positive matrix factorization (PMF) algorithm was used to distinguish different components of organic aerosol measured by ACSM...
January 17, 2018: Science of the Total Environment
(no author information available yet)
No abstract text is available yet for this article.
January 2018: Current Sports Medicine Reports
J Timothy Lightfoot, Eco J C De Geus, Frank W Booth, Molly S Bray, Marcel den Hoed, Jaakko Kaprio, Scott A Kelly, Daniel Pomp, Michael C Saul, Martine A Thomis, Theodore Garland, Claude Bouchard
PURPOSE: Physical activity unquestionably maintains and improves health; however, physical activity levels globally are low and not rising despite all the resources devoted to this goal. Attention in both the research literature and the public policy domain has focused on social-behavioral factors; however, a growing body of literature suggests that biological determinants play a significant role in regulating physical activity levels. For instance, physical activity level, measured in various manners, has a genetic component in both humans and non-human animal models...
November 20, 2017: Medicine and Science in Sports and Exercise
Yutaka Igarashi, Nobuhiko Akazawa, Seiji Maeda
The aim of this meta-analysis was to evaluate the effects of regular aerobic exercise on blood pressure in East Asians. The inclusion criteria of the randomized controlled trials were healthy East Asian adults, exercise group performing regular aerobic exercise and control group not exercising, and a description of the mean systolic blood pressure or diastolic blood pressure at rest. This study included 31 study groups and 1994 subjects. Pooled changes in blood pressure showed significant reductions (systolic blood pressure: -4...
October 30, 2017: Clinical and Experimental Hypertension: CHE
Qi-Sheng Sun, Qi-Ying Guo, Wen-Rui Jia, Zong-Yu Jin, Zhi Ji, Qiu-Lei Guo, Fang-Yuan Yang, He Zhan, He Wang, Qing-Guo Liu
OBJECTIVE: To observe the effect of twirling-reducing needling on changes of profile of differentially-expressed genes in the hypothalamus in rats with stress-induced prehypertension (SI-PHT), so as to explore its mechanism under-lying improvement of prehypertension. METHODS: Wistar male rats were randomly divided into blank control group (n=12), model group (n=12) and acupuncture group (n=10). The SI-PHT model was established by planta-electric-shock stimulation (30 V, 5 s) plus noise stimulation (80-100 db, 50 ms), twice daily, continuously for 11 days...
June 25, 2017: Zhen Ci Yan Jiu, Acupuncture Research
Brendan Humphries, Rob Stanton, Aaron Scanlan, Mitch J Duncan
OBJECTIVES: Resistance training research highlights the importance of training intensity to resistance exercise training (RET) and the associated benefits to health and function for healthy and at-risk populations. The American College of Sports Medicine (ACSM) recommend specific intensities, frequencies, repetitions, and number of exercises of RET to be performed to maintain health. The primary aim of this study was to describe the prevalence of achieving recommended levels of RET in relation to ACSM guidelines for intensity, frequency, repetitions, and number of exercises in a regional Australian population...
September 29, 2017: Journal of Science and Medicine in Sport
Laura Stefani, Giorgio Galanti
Metabolic syndrome as a consequence of the association to overweight, hypertension, and diabetes is at high risk of coronary events. Regular physical training has been recently promoted to reduce cardiovascular risks factors, by the improved lifestyle and also by the "anti-inflammatory effectiveness." A positive impact has been shown in case of cancer survived patients either with or without comorbidities and especially in those subjects where the inflammatory process is globally represented. The American College of Sports Medicine (ACSM) guidelines and more recently a new Italian model both support the role of "exercise as therapy" at moderate level of energy expenditure...
2017: Advances in Experimental Medicine and Biology
Robert B Kiningham
No abstract text is available yet for this article.
September 2017: Current Sports Medicine Reports
(no author information available yet)
No abstract text is available yet for this article.
September 2017: Current Sports Medicine Reports
Alicia Flach, Lisa Jaegers, Mary Krieger, Emily Bixler, Patrick Kelly, Edward P Weiss, S Omar Ahmad
Current evidence has shown that exercise can reduce symptoms of Parkinson's disease (PD). However, previous studies indicated mixed results, possibly because of variability in terms of the nature of the exercise interventions. The purpose of this study was to perform a metaanalysis of current evidence from endurance exercise intervention studies for effects on the United Parkinson's Disease Rating Scale (UPDRS) in individuals with PD. A systematic literature search in six electronic databases was performed and two independent reviewers screened the title and abstract of 1106 records captured by the initial search...
October 17, 2017: Neuroscience Letters
S Nichols, D O Gleadall-Siddall, R Antony, A L Clark, J G F Cleland, S Carroll, L Ingle
OBJECTIVE: Cardiopulmonary exercise testing (CPET) is the 'gold standard' method of determining VO2peak . When CPET is unavailable, VO2peak may be estimated from treadmill or cycle ergometer workloads and expressed as estimated metabolic equivalents (METs). Cardiac rehabilitation (CR) programmes use estimated VO2peak (METs) to report changes in cardiorespiratory fitness (CRF). However, the accuracy of determining changes in VO2peak based on estimated functional capacity is not known. METHODS: A total of 27 patients with coronary heart disease (88·9% male; age 59·5 ± 10·0 years, body mass index 29·6 ± 3·8 kg m(-2) ) performed maximal CPET before and after an exercise-based CR intervention...
August 30, 2017: Clinical Physiology and Functional Imaging
Chunshui Lin, Darius Ceburnis, Stig Hellebust, Paul Buckley, John Wenger, Francesco Canonaco, André Stephan Henry Prévôt, Ru-Jin Huang, Colin O'Dowd, Jurgita Ovadnevaite
An aerosol chemical speciation monitor (ACSM) was deployed to study the primary nonrefractory submicron particulate matter emissions from the burning of commercially available solid fuels (peat, coal, and wood) typically used in European domestic fuel stoves. Organic mass spectra (MS) from burning wood, peat, and coal were characterized and intercompared for factor analysis against ambient data. The reference profiles characterized in this study were used to estimate the contribution of solid fuel sources, along with oil combustion, to ambient pollution in Galway, Ireland using the multilinear engine (ME-2)...
September 6, 2017: Environmental Science & Technology
Kelly A Brown, Aditya V Dewoolkar, Nicole Baker, Colleen Dodich
The number of adolescent girls participating in sports has dramatically increased throughout the last few decades. In the early 1990's, an association between amenorrhea, osteoporosis, and disordered eating was recognized and eventually labeled the 'Female Athlete Triad'. In 1997, the Task Force on Women's Issues of American College of Sports Medicine (ACSM) published a position statement on this triad of conditions that were becoming increasingly more prevalent amongst female athletes. Initially, the 'Female Athlete Triad' was characterized by disordered eating, amenorrhea, and osteoporosis...
July 2017: Translational pediatrics
Genevieve Hendrey, Anne E Holland, Benjamin F Mentiplay, Ross A Clark, Gavin Williams
OBJECTIVE: To determine whether resistance training to improve mobility outcomes after stroke adheres to the American College of Sports Medicine (ACSM) guidelines, and whether adherence was associated with better outcomes. DATA SOURCES: Online databases searched from 1975 to October 30, 2016. STUDY SELECTION: Randomized controlled trials examining the effectiveness of lower limb strength training on mobility outcomes in adult participants with stroke...
March 2018: Archives of Physical Medicine and Rehabilitation
Robert B Kiningham
No abstract text is available yet for this article.
July 2017: Current Sports Medicine Reports
(no author information available yet)
No abstract text is available yet for this article.
July 2017: Current Sports Medicine Reports
Denise J Wooding, Jeff E Packer, Hiroyuki Kato, Daniel W D West, Glenda Courtney-Martin, Paul B Pencharz, Daniel R Moore
PURPOSE: Protein requirements are primarily studied in the context of resistance or endurance exercise with little research devoted to variable-intensity intermittent exercise characteristic of many team sports. Further, female populations are underrepresented in dietary sports science studies. We aimed to determine a dietary protein requirement in active females performing variable-intensity intermittent exercise using the indicator amino acid oxidation (IAAO) method. We hypothesized that these requirements would be greater than current IAAO-derived estimates in nonactive adult males...
November 2017: Medicine and Science in Sports and Exercise
A Gmiat, K Micielska, M Kozłowska, D J Flis, M Smaruj, S Kujach, J Jaworska, P Lipińska, E Ziemann
The study aimed to assess effect of a single bout of high-intensity circuit training (HICT) on myokines concentration: interleukin-6 and irisin, inteleukin-10, brain-derived neurotrophic factor (BDNF), heat shock proteins (HSP27, HSP70) and cognitive functions among women participated in HICT. It also attempted evaluating whether vitamin D could have modified the effect of HICT. Fourteen healthy, non-active women participating in the experiment were assigned to a young or middle-aged group. They performed a single session HICT using body weight as a resistance, based on the ACSM recommendations...
July 5, 2017: Physiology & Behavior
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