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Mark Messina, Heidi Lynch, Jared M. Dickinson and Katharine E. Reed

For a variety of reasons, dietary protein has gained increased research attention in recent years. Evidence shows that consuming protein in excess of the U.S. recommended dietary allowance has health benefits and that for many population groups, the recommended dietary allowance of protein (0.8 g

Open access

Amy J. Hector and Stuart M. Phillips

restriction, strategies to promote high-quality weight loss (i.e., the loss of fat mass while maintaining LBM) are of importance for elite athletes. The normal maintenance of LBM is determined by continuously opposing and fluctuating rates of muscle protein synthesis (MPS) and muscle protein breakdown (MPB

Open access

Oliver C. Witard, Ina Garthe and Stuart M. Phillips

Dietary protein is widely regarded as a key nutrient for allowing optimal training adaptation ( Tipton, 2008 ) and optimizing body composition ( Hector & Phillips, 2018 ; Murphy et al., 2015 ) in athletes including track and field athletes. Track and field athletics encompasses a broad spectrum of

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Graeme L. Close, Craig Sale, Keith Baar and Stephane Bermon

repair. Given the crucial role of dietary protein in muscle protein turnover, it is not surprising that much attention has been given to dietary protein in the prevention of muscle injuries. It is accepted that the provision of dietary proteins enhances the adaptive processes to both resistance- and

Open access

Ricardo J.S. Costa, Beat Knechtle, Mark Tarnopolsky and Martin D. Hoffman

consumption of sufficient protein to meet daily nitrogen balance (i.e., 1.2–2.0 g·kg −1 ·day −1 ), to support tissue recovery and adaptations ( Phillips & van Loon, 2011 ; Tarnopolsky et al., 1988 ). Habitual dietary protein needs for elite endurance athletes are estimated to be 1.6–1.8 g·kg −1 ·day −1

Open access

Ben Desbrow, Nicholas A. Burd, Mark Tarnopolsky, Daniel R. Moore and Kirsty J. Elliott-Sale

adolescents ( Loureiro et al., 2015 ). In additional to enhancing the response to the stimulus of exercise training ( Witard et al., 2018 ), adolescents have additional protein requirements to support general growth and development ( Aerenhouts et al., 2011 ). Total energy intake is important to consider in

Open access

Gary J. Slater, Jennifer Sygo and Majke Jorgensen

have a significant impact on not only substrate availability but also on adaptation to the training stimulus. Nutrition strategies to amplify training-induced adaptive signals outside of protein metabolism among sprint athletes remain to be explored. Table 4 Reported Daily Dietary Intake of Energy and

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Joanne G. Mirtschin, Sara F. Forbes, Louise E. Cato, Ida A. Heikura, Nicki Strobel, Rebecca Hall and Louise M. Burke

training intervention: a. HCHO: Overall macronutrient composition ∼8–9 g·kg body mass (BM) −1 ·day −1 and ∼60–65% of energy from CHO, ∼1.5–2.0 g·kg BM −1 ·day −1 and 15–20% energy from protein and 20% fat; similar CHO intake from day to day, with CHO consumed before, during, and after training sessions

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Ronald J. Maughan, Susan M. Shirreffs and Alan Vernec

the extent of these problems, as there is no comprehensive testing program for dietary supplements. Two recent assessments of protein powders, which are generally considered to be low-risk products, illustrate some of the concerns. A 2010 review of 24 commercially-available protein supplements

Open access

Jennifer Sygo, Alicia Kendig Glass, Sophie C. Killer and Trent Stellingwerff

that athletes may be best served by a low–moderate-carbohydrate (CHO) diet to support high-intensity, low-volume training energy and recovery demands, along with a moderately high-protein (PRO) intake to support muscle protein synthesis (MPS; Table  2 ; Slater & Phillips, 2011 ). Table 2 Predicted