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Rhys J. Thurston

but there are unintended consequences, such as concentration and attention spans. Millennial’s beliefs and experiences surrounding stimulation, concentration, and attention are often vastly different when compared with other generations. A prime example is watching television. The days of sitting

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Travis Anderson, Sandra J. Shultz, Nancy I. Williams, Ellen Casey, Zachary Kincaid, Jay L. Lieberman and Laurie Wideman

concentrations may be associated with greater risk of ACL injury in female athletes ( Dragoo, Castillo, Braun, et al., 2011 ). Since relaxin is secreted primarily from the corpus luteum, concentrations will fluctuate throughout a normal menstrual cycle. As such, and consistent with female sex hormone profiles

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Xiaomin Sun, Zhen-Bo Cao, Kumpei Tanisawa, Satomi Oshima and Mitsuru Higuchi

football ( Guo et al., 2013 ; Murata et al., 2016 ; Selden et al., 2009 ) athletes, who often intentionally try to increase their body mass as a means of performance enhancement. Selden et al. ( 2009 ) reported that players from the National Football League have higher fasting glucose concentrations

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Ioanna Athanasiadou, Sven Christian Voss, Wesal El Saftawy, Hind Al-Jaber, Najib Dbes, Sameera Al-Yazedi, Waseem Samsam, Vidya Mohamed-Ali, Mohammed Alsayrafi, Georgia Valsami and Costas Georgakopoulos

List under the class S2 (peptide hormones, growth factors, related substances, and mimetics), prohibited both in and out of competition in male athletes ( WADA Prohibited List, 2018 ). For the determination of LH concentrations in urine, anti-doping laboratories use immunoassays capable of measuring

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Aubrey Newland, Rich Gitelson and W. Eric Legg

of this study was to cross-sectionally examine the relationship between mental skills and grit in participants in the 2017 Arizona Senior Olympic Games. In other words, we sought to answer the following question: Does mental skills use (e.g., coping under pressure, concentration, confidence and

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Evangelos Galanis, Antonis Hatzigeorgiadis, Nikos Comoutos, Fedra Charachousi and Xavier Sanchez

.1080/10413200.2012.761658 Moran , A.P. ( 1996 ). The psychology of concentration in sport performance . East Sussex, UK : Psychology Press Publishers . Moran , A.P. ( 2009 ). Attention, concentration and thought management . In B. Brewer (Ed.), The Olympic handbook of sports medicine and science: Sport psychology

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Jón Gregersen, Antonis Hatzigeorgiadis, Evangelos Galanis, Nikos Comoutos and Athanasios Papaioannou

the 100 m sprinter? The Sport Psychologist, 11 , 72 – 85 . doi:10.1123/tsp.11.1.72 10.1123/tsp.11.1.72 Moran , A. ( 1996 ). The psychology of concentration in sport performers: A cognitive analysis. Hove, UK : Psychology Press . Moran , A . ( 2009 ). Attention in sport . In S

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Anita M. Rivera-Brown and José R. Quiñones-González

) and whole-body (WB) (18.2–70.8 mmol/L and 11.2–86.5 mmol/L; Baker et al., 2016 ; Barnes et al., 2019 ) sweat sodium concentrations [Na + ] are also variable. The large variability in both SR and sweat [Na + ] may be attributed to differences in age, gender, exercise intensity, clothing worn, heat

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Alister McCormick, Carla Meijen and Samuele Marcora

-talk) or an alternative control treatment group (concentration grid) by tossing a coin. Alternative control treatments are similar in duration, perceived value, and procedure to the experimental treatment, but they target different outcomes ( Borg, 1984 ). The Ultramarathon The ultramarathon is an annual

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Tony Adebero, Brandon John McKinlay, Alexandros Theocharidis, Zach Root, Andrea R. Josse, Panagiota Klentrou and Bareket Falk

Intense exercise has been shown to increase circulating hormonal concentrations in both athletic adults ( 13 , 17 , 22 ) and youth ( 23 , 28 , 33 , 37 ). An intense exercise session alters the homeostasis of the endocrine system by elevating both catabolic (eg, cortisol, adrenaline, glucagon) and