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Jason P. Brandenburg and Luisa V. Giles

-rich fruit supplementation on endurance performance, none has used blueberries. Therefore, the objectives of the current study were to investigate the effects of blueberry supplementation on time-trial (TT) running performance, physiological responses to running, and short-term recovery. Markers of

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Jason R. Boynton, Fabian Danner, Paolo Menaspà, Jeremiah J. Peiffer and Chris R. Abbiss

low intensities (ie, below lactate threshold) coupled with short and intermittent bouts of high-intensity interval exercise or training (HIIT). 10 The influence of T A on performance and physiological response to such exercise is not well understood. Despite HIIT being a relatively small part of

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Gustavo Monnerat, Alex S. Maior, Marcio Tannure, Lia K.F.C. Back and Caleb G.M. Santos

activity. This sport is one of the most popular sports worldwide, with 275 million participants of both genders in a wide range of ages. 3 , 4 It is well established that physical training–based interventions can lead to different physiologic responses depending on intraindividual characteristics. 5 , 6

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Christian P. Cheung, Joshua T. Slysz and Jamie F. Burr

significant variability in the physiological response at a given intensity compared with cycling exercise. 20 Cycle ergometry could be advantageous for testing the physiological response to IPC, as it functions based on set power output (rpm × resistance) rather than a velocity, and exercise efficiency is

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Paul G. Montgomery and Brendan D. Maloney

×3 players, it is important to acknowledge that outcomes may also be dependent on the capacity of players, the quality of opposition, and the style of play. All of these may contribute to the large individual differences in the physical demands and physiological responses. The uniformity in the average game

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Ross Armstrong, Christopher Michael Brogden and Matt Greig

is the Dance Aerobic Fitness Test (DAFT), 14 which is a standardized routine that elicits a quantifiable physiological response to exercise to allow the measurement of mechanical loading. Global positioning systems (GPS) with triaxial accelerometry have been used to measure mechanical loading which

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Sarah J. Willis, Grégoire P. Millet and Fabio Borrani

. Regulation of skeletal muscle perfusion during exercise . Acta Physiol Scand . 1998 ; 162 ( 3 ): 411 – 419 . PubMed ID: 9578387 doi: 10.1046/j.1365-201X.1998.0324e.x 3. Corvino RB , Rossiter HB , Loch T , Martins JC , Caputo F . Physiological responses to interval endurance exercise at

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Aaron T. Scanlan, Daniel M. Berkelmans, William M. Vickery and Crystal O. Kean

Cricket is a popular international team sport with various game formats ranging from long-duration multiday tests to short-duration Twenty20 game play. The role of batsmen is critical to all game formats, with differing physiological demands imposed during each format. Investigation of the physiological demands imposed during cricket batting has historically been neglected, with much of the research focusing on bowling responses and batting technique. A greater understanding of the physiological demands of the batting role in cricket is required to assist strength and conditioning professionals and coaches with the design of training plans, recovery protocols, and player-management strategies. This brief review provides an updated synthesis of the literature examining the internal (eg, metabolic demands and heart rate) and external (eg, activity work rates) physiological responses to batting in the various game formats, as well as simulated play and small-sided-games training. Although few studies have been done in this area, the summary of data provides important insight regarding physiological responses to batting and highlights that more research on this topic is required. Future research is recommended to combine internal and external measures during actual game play, as well as comparing different game formats and playing levels. In addition, understanding the relationship between batting technique and physiological responses is warranted to gain a more holistic understanding of batting in cricket, as well as to develop appropriate coaching and training strategies.

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Frank Cerny

In 1989 we knew that exercise, including regular prescribed physical activity, could be safely performed and described some of the physiological responses to exercise in patients with cystic fibrosis (CF). Also in 1989, the genetic defect causing cystic fibrosis (CF) was identified leading to improvements in treatment that greatly extended the life span for these patients. Increased understanding of the factors limiting exercise capacity and of the important role of regular exercise in slowing the progression of CF and in modulating some of the effects of the genetic defect on airway function has led to the consensus that regular exercise should be part of the standard of care for this disease.

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Mark Glaister

Tests of repeated-sprint ability provide a simple way to evaluate the basic physical characteristics of speed and endurance necessary to excel in various multiple-sprint sports. Furthermore, such tests help overcome the complications associated with field-based evaluations of this type of exercise. Nevertheless, despite over 40 y of research, many issues regarding our understanding of multiple-sprint work remain unresolved. This commentary aims to raise awareness of issues relating to methodology, physiological responses, and the effectiveness of various ergogenic and training strategies; to promote a greater understanding; and to drive future research.