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Israel Halperin

research and practice. In this commentary, I will expand on their recommendations by proposing that exercise scientists should more frequently utilize a specific qualitative research design: case studies. In exercise science, case study designs are mostly used to acquire knowledge about the training

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Alan D. Ruddock, Craig Boyd, Edward M. Winter and Mayur Ranchordas

In a recent issue of this journal, Halperin 1 discussed the merits of case studies as a means to bridge the gap between science and practice. It has been suggested that traditional forms of scientific study are not “user friendly” for coaches because they rely upon group-based statistical analyses

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Terri Graham-Paulson, Claudio Perret and Victoria Goosey-Tolfrey

. Well-trained/elite athletes are also likely to have greater motivation to perform maximal exercise ( Burke, 2008 ). The current case study provided a unique opportunity to investigate the effects of CAF in an elite paratriathlete. Presentation of the Sporting Issue At the London 2012 Paralympic Games

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Giovanna Ghiani, Sara Magnani, Azzurra Doneddu, Gianmarco Sainas, Virginia Pinna, Marco Caboi, Girolamo Palazzolo, Filippo Tocco and Antonio Crisafulli

Journal of Nutrition, 32 , 77 – 97 . PubMed ID: 4843734 doi:10.1079/BJN19740060 10.1079/BJN19740060 Fearnley , D. , Sutton , L. , O’Hara , J. , Brightmore , A. , King , R. , & Cooke , C. ( 2012 ). Case study of a female ocean racer: Prerace preparation and nutritional intake during the

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Trent Stellingwerff

with a strong conceptual underpinning, very little scientific information exists on how to optimally implement interventions around body composition periodization throughout a given year, let alone over an entire career. This case study will feature an Olympic-level female middle-distance runner

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Christopher Rosimus

. Squash is an indoor sport. Individuals who perform indoors are at an increased risk of vitamin D deficiency ( Angeline et al., 2013 ). In athletes, vitamin D deficiency may impair muscle function, compromise the immune system, and impair bone health ( Need et al., 2000 ). The aim of this case study was

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Nancy Clark

Some of the nutritional concerns of female athletes are highlighted in this case study of a 20-year-old woman who wants to lose 16% of her body weight to qualify for the position of coxswain on a national crew team. These concerns include adequacy of vitamin, mineral, protein, and carbohydrate intake as well as amenorrhea and pathogenic eating behaviors.

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James P. Morton, Colin Robertson, Laura Sutton and Don P. M

Professional boxing is a combat sport categorized into a series of weight classes. Given the sport’s underpinning culture, boxers’ typical approach to “making weight” is usually via severe acute and/or chronic energy restriction and dehydration. Such practices have implications for physical performance and also carry health risks. This article provides a case-study account outlining a more structured and gradual approach to helping a professional male boxer make weight for the 59-kg superfeatherweight division. Over a 12-week period, the client athlete adhered to a daily diet approximately equivalent to his resting metabolic rate (6–7 MJ; 40% carbohydrate, 38% protein, 22% fat). Average body-mass loss was 0.9 ± 0.4 kg/wk, equating to a total loss of 9.4 kg. This weight loss resulted in a decrease in percent body fat from 12.1% to 7.0%. In the 30 hr between weigh-in and competition, the client consumed a high-carbohydrate diet (12 g/kg body mass) supported by appropriate hydration strategies and subsequently entered the ring at a fighting weight of 63.2 kg. This nutritional strategy represented a major change in the client’s habitual weight-making practices and did not rely on any form of intended dehydration during the training period or before weighing in. The intervention demonstrates that a more gradual approach to making weight in professional boxing can be successfully achieved via a combination of restricted energy intake and increased energy expenditure, providing there is willingness on the part of the athlete and coaches involved to adopt novel practices.

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Liam Anderson, Graeme L. Close, Matt Konopinski, David Rydings, Jordan Milsom, Catherine Hambly, John Roger Speakman, Barry Drust and James P. Morton

decline in functional strength ( White et al., 1984 ), a reduction in (local) metabolic rate ( Haruna et al., 1994 ), a decline in insulin sensitivity, and increased local fat deposition ( Richter et al., 1989 ). In a previous case study by our group, we documented the rehabilitation of an English Premier

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Iñigo Mujika

& Laursen, 2017 ). The aim of this case study was to report on the performance outcomes and subjective assessments of long-term (32 weeks) LCHF diet in a world-class, lacto-ovo vegetarian long-distance triathlete who had been suffering from GI problems in Ironman competition (e.g., malabsorption of