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Author: Christie L. Ward
Publisher:
ISBN:
Category : Aerobic exercises
Languages : en
Pages : 138
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Author: Christie L. Ward
Publisher:
ISBN:
Category : Aerobic exercises
Languages : en
Pages : 138
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Author: Roger Benton Fillingim
Publisher:
ISBN:
Category :
Languages : en
Pages : 164
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Author: Michitoshi Inoue
Publisher: Springer Science & Business Media
ISBN: 4431683674
Category : Medical
Languages : en
Pages : 330
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Book Description
Research centering on blood flow in the heart continues to hold an important position, especially since a better understanding of the subject may help reduce the incidence of coronary arterial disease and heart attacks. This book summarizes recent advances in the field; it is the product of fruitful cooperation among international scientists who met in Japan in May, 1990 to discuss the regulation of coronary blood flow.
Author: Heidi Summers
Publisher:
ISBN:
Category :
Languages : en
Pages : 128
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Author: Michael J. Joyner
Publisher: Perspectives Cshl
ISBN: 9781621821656
Category : Medical
Languages : en
Pages : 408
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Book Description
Exercise training provokes widespread transformations in the human body, requiring coordinated changes in muscle composition, blood flow, neuronal and hormonal signaling, and metabolism. These changes enhance physical performance, improve mental health, and delay the onset of aging and disease. Understanding the molecular basis of these changes is therefore important for optimizing athletic ability and for developing drugs that elicit therapeutic effects. Written and edited by experts in the field, this collection from Cold Spring Harbor Perspectives in Medicine examines the biological basis of exercise from the molecular to the systemic levels. Contributors discuss how transcriptional regulation, cytokine and hormonal signaling, glucose metabolism, epigenetic modifications, microRNA profiles, and mitochondrial and ribosomal functions are altered in response to exercise training, leading to improved skeletal muscle, hippocampal, and cardiovascular function. Cross talk among the pathways underlying tissue-specific and systemic responses to exercise is also considered. The authors also discuss how the understanding of such molecular mechanisms may lead to the development of drugs that mitigate aging and disease. This volume will therefore serve as a vital reference for all involved in the fields of sports science and medicine, as well as anyone seeking to understand the molecular mechanisms by which exercise promotes whole-body health.
Author: Trent E. Cayot
Publisher:
ISBN:
Category : Aerobic exercises
Languages : en
Pages : 149
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Book Description
Although the importance of aerobic exercise in disease prevention and maintenance of a healthy lifestyle has been extensively demonstrated [1-4], it was recently reported by the American Heart Association (AHA) that approximately 30% of the adult population within the United States does not engage in regular aerobic exercise [2]. The most commonly reported reason why adults did not engage in regular exercise was due to a "lack of time" within their daily routine [5, 6]. In order to best integrate exercise into a time constrained schedule many have turned to high-intensity interval training (HIIT) due to the advantageous training outcomes reported in a relatively short duration (2-4 week) [7, 8]. In addition, the exercise volume is significantly reduced (~80-90%) during HIIT sessions compared to traditional "continuous" cardiovascular exercise sessions [8, 9] thus decreasing the time spent exercising [8]. However, the exercise intensities used during HIIT sessions ("all-out effort" [9, 10] or near maximal intensities [11, 12]) may become a deterrent or may not be appropriate for certain populations. An exercise technique known as blood flow restriction (BFR) exercise may be an acceptable alternative approach for these populations as it utilizes low exercise intensities. BFR exercise has been shown to concurrently increase muscle hypertrophy [13, 14], muscle strength [13] and peak oxygen uptake (VO2pk) [14, 15] subsequent to low-intensity (i.e., walking, cycling) cardiovascular training programs. The combination of BFR (i.e., decreased exercise intensity) and interval training (i.e., decreased exercise volume) is both intriguing and a unique alternative solution that could potentially be applicable to a variety of populations. This alternative exercise approach (i.e., BFR interval training) addresses many commonly cited barriers for exercise retention (i.e., time constrained schedules, high exercise intensities). Therefore, the primary purpose of this dissertation was to determine the results of a short duration (2 weeks) BFR low-intensity interval training (BFR-LIIT) program on aerobic capacity and skeletal muscle strength (chapter 5). However, before the primary purpose could be investigated many secondary aims needed to be examined, including i) determining the effect of occlusion duration on the microvascular oxygenation and neuromuscular activation during exercise (chapter 3) and ii) determining the acute physiological responses (oxygen uptake, microvascular oxygenation, neuromuscular activation) to BFR used in cardiovascular exercise models (constant load, chapter 4; interval, chapter 5). The effects of occlusion duration were examined as healthy subjects performed isometric knee extension contractions at different sub-maximal intensities under control (CON, no occlusion), immediate occlusion (IO) and pre occlusion (PO) conditions. During the IO condition the occlusion pressure (130% of the resting systolic blood pressure, 130% SBP) was applied immediately prior to exercise while the occlusion pressure (130% SBP) was applied five minutes prior to exercise in the PO condition. Varying the occlusion duration did not affect the neuromuscular activation of the exercising musculature (p > 0.05), although activation did significantly increase with increasing sub-maximal exercise intensities. However, PO elicited greater microvascular deoxygenation (deoxy-[Hb+Mb]), as assessed by near-infrared spectroscopy) compared to CON at all exercise intensities (p 0.05), whereas the deoxy-[Hb+Mb] was only greater during PO compared to IO at the lowest exercise intensity tested (20% maximal voluntary contraction, MVC). Furthermore, IO resulted in greater deoxy-[Hb+Mb] compared to CON only at low exercise intensities (20% MVC, 40% MVC). In conclusion, although occlusion duration did significantly affect neuromuscular activation, BFR techniques influenced microvascular oxygenation the most during low-intensity exercise. Many investigations have observed an increased neuromuscular activation with BFR resistance exercise [16-19], however, the peripheral responses (i.e., neuromuscular activation, microvascular oxygenation) to BFR cardiovascular exercise (i.e., cycling) has yet to be determined. Therefore, healthy subjects performed bouts of heavy (above estimated lactate threshold, LT) constant cycling exercise with and without BFR. No difference in oxygen uptake (VO2) was observed (p > 0.05) despite a greater deoxy-[Hb+Mb] response during the beginning and end of BFR exercise compared to control (CON) exercise (p
Author: Rod T. Singletary
Publisher:
ISBN:
Category : Exercise for men
Languages : en
Pages : 80
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Author: Jamie K. Pugh
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Moritz Schumann
Publisher: Springer
ISBN: 3319755471
Category : Medical
Languages : en
Pages : 408
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Book Description
This book provides an extensive guide for exercise and health professionals, students, scientists, sport coaches, athletes of various sports and those with a general interest in concurrent aerobic and strength training. Following a brief historical overview of the past decades of research on concurrent training, in section 1 the epigenetic as well as physiological and neuromuscular differences of aerobic and strength training are discussed. Thereafter, section 2 aims at providing an up-to-date analysis of existing explanations for the interference phenomenon, while in section 3 the training-methodological difficulties of combined aerobic and strength training are elucidated. In section 4 and 5, the theoretical considerations reviewed in previous sections will then be practically applied to specific populations, ranging from children and elderly to athletes of various sports. Concurrent Aerobic and Strength Training: Scientific Basics and Practical Applications is a novel book on one of the “hot topics” of exercise training. The Editors' highest priority is to make this book an easily understandable and at the same time scientifically supported guide for the daily practice.
Author: Mary K. Cresanta
Publisher:
ISBN:
Category : Aerobic exercises
Languages : en
Pages : 184
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Book Description
