405

Barr, Spencer; Enns, C. J.; Macintyre, Jim

doi:10.1249/00005768-198704001-00405

Medicine & Science in Sports & Exercise

1987

DOI: 10.1249/00005768-198704001-00405

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405

Spencer Barr¹,

C. J. Enns²,

Jim Macintyre³

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“…The relationship between humoral factors and the diastolic undershoot following high intensity exercise in ten young healthy males S.T. Hussain The Wingate test on a cycle ergometer (Barr-Or, 1987) is an objective assessment of maximal anaerobic exercise. We have previously demonstrated that there is a marked undershoot in diastolic blood pressure (DBP) during supine recovery after the Wingate test, without an undershoot in either systolic blood pressure or heart rate (Hussain et al 1994).…”

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confidence: 99%

Human Physiology

1994

The Journal of Physiology

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mentioning

confidence: 99%

Human Physiology

1994

The Journal of Physiology

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Protein and Amino Acid Needs of the Strength Athlete

Lemon

1991

International Journal of Sport Nutrition

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The debate regarding optimal proteinlamino acid needs of strength athletes is an old one. Recent evidence indicates that actual requirements are higher than those of more sedentary individuals, although this is not widely recognized. Some data even suggest that high proteinlamino acid diets can enhance the development of muscle mass and strength when combined with heavy resistance exercise training. Novices may have higher needs than experienced strength athletes, and substantial interindividual variability exists. Perhaps the most important single factor determining absolute proteinlamino acid need is the adequacy of energy intake. Present data indicate that strength athletes should consume approximately 12-15% of their daily total energy intake as protein, or about 1.5-2.0 g proteinlkg*d-' (approximately 188-250% of the U.S. recommended dietary allowance). Although routinely consumed by many strength athletes, higher protein intakes have not been shown to be consistently effective and may even be associated with some health risks.Although for most of the 20th century nutritionists have generally believed that proteinlamino acid need is not substantially affected by strength training (87), many athletes, especially body builders, have routinely consumed very high protein diets (41,60). Apparently these individuals think such diets enhance performance, but their opinion is based primarily on hearsay or uncontrolled self-experimentation and therefore lacks the necessary objectivity to convince scientists. However, recent results from several laboratories suggest that the issue of whether such high proteinlamino acid diets are beneficial to strength athletes rnay need to be readdressed (66). This paper reviews new information relative to the previous literature and discusses the potential benefits of protein1 amino acid supplementation for the strength athlete. Importance of ProteinClearly, protein is an essential nutrient for all living organisms. With the exception of water, it is the largest component in our bodies and represents about 15 % of body weight. There are many proteins but each is made up of about 20 amino Peter W.R. Lemon is with the Applied

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405

Cited by 2 publications

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Human Physiology

Human Physiology

Protein and Amino Acid Needs of the Strength Athlete

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