Nutrition and hydration concerns of the female football player.

There is little information on the nutritional habits of female football players at any level of the game. There is also a shortage of information on the nutrition and hydration strategies that players should adopt. In general, differences in nutritional needs between males and females are smaller than differences between individuals, so that principles developed [...]

By |2013-01-31T18:33:09+00:00enero 31st, 2013|Exercise and sport, Scientific papers|0 Comments

Effects of hydration state and resistance exercise on markers of muscle damage.

It is well established that resistance exercise can damage muscle tissue, but the combined effects of hypohydration and resistance exercise on muscle damage are unclear. Two common circulating markers of muscle damage, myoglobin (Mb) and creatine kinase (CK) may be attenuated by fluid ingestion post-exercise. The purpose of this study was to examine the combined [...]

By |2013-01-31T18:33:09+00:00enero 31st, 2013|Exercise and sport, Scientific papers|0 Comments

Effect of hydration state on testosterone and cortisol responses to training-intensity exercise in collegiate runners.

Exercise intensity powerfully influences testosterone, cortisol, and testosterone : cortisol ratio (T:C) responses to endurance exercise. Hydration state may also modulate these hormones, and therefore may alter the anabolic/catabolic balance in response to endurance exercise and training. This study examined the effect of running intensity on testosterone, cortisol, and T : C when exercise was [...]

By |2013-01-31T18:33:09+00:00enero 31st, 2013|Exercise and sport, Scientific papers|0 Comments

Effects of three hydration beverages on exercise performance during 60 hours of heat exposure

Without adequate hydration, profound heat stress and dehydration can occur in people who work in hot environments. This study evaluated the effectiveness of three beverages on temperature regulation, cardiovascular response, and work performance during 60 h of dry heat exposure. Volunteer subjects lived in a climatic chamber in simulated desert conditions varying from 25-45 degrees [...]

By |2013-01-31T18:33:08+00:00enero 31st, 2013|Exercise and sport, Scientific papers|0 Comments

Effect of hydration status on high-intensity rowing performance and immune function.

PURPOSE: This study determined the effect of dehydration and rehydration (DR) on performance, immune cell response, and tympanic temperature after high-intensity rowing exercise. METHODS: Seven oarswomen completed two simulated 2000-m rowing race trials separated by 72 h in a random, cross-over design. One trial was completed in a euhydrated (E) condition and the other using [...]

By |2013-01-31T18:33:08+00:00enero 31st, 2013|Exercise and sport, Scientific papers|0 Comments

Development of individual hydration strategies for athletes.

Athletes are encouraged to begin exercise well hydrated and to consume sufficient amounts of appropriate fluids during exercise to limit water and salt deficits. Available evidence suggests that many athletes begin exercise already dehydrated to some degree, and although most fail to drink enough to match sweat losses, some drink too much and a few [...]

By |2013-01-31T18:33:08+00:00enero 31st, 2013|Exercise and sport, Scientific papers|0 Comments

Conference on “Multidisciplinary approaches to nutritional problems”. Symposium on “Performance, exercise and health”. Hydration, fluids and performance.

Sweat evaporation can be a key thermoregulatory mechanism and it causes a loss of water from all compartments of the body. Hypohydration can also develop with restricted fluid intake or with intake of diuretics. Hypohydration can affect physical and/or mental performance and/or have implications for dietary recommendations. A variety of different types and modes of [...]

By |2013-01-31T18:33:08+00:00enero 31st, 2013|Exercise and sport, Scientific papers|0 Comments

Effect of hydration state on resistance exercise-induced endocrine markers of anabolism, catabolism, and metabolism.

Hypohydration (decreased total body water) exacerbates the catabolic hormonal response to endurance exercise with unclear effects on anabolic hormones. Limited research exists that evaluates the effect of hypohydration on endocrine responses to resistance exercise; this work merits attention as the acute postexercise hormonal environment potently modulates resistance training adaptations. The purpose of this study was [...]

By |2013-01-31T18:33:08+00:00enero 31st, 2013|Exercise and sport, Scientific papers|0 Comments

Hydration recommendations for sport 2008.

Fluid replacement remains an important strategy for preserving exercise performance as dehydration in excess of 2% of body weight consistently impairs aerobic exercise performance. Too much of a good thing, however, can have negative health consequences as persistent drinking in excess of sweating rate can induce symptomatic exercise associated hyponatremia. This short review highlights new [...]

By |2013-01-31T18:33:08+00:00enero 31st, 2013|Exercise and sport, Scientific papers|0 Comments

Exercise, heat, hydration and the brain.

The performance of both physical and mental tasks can be adversely affected by heat and by dehydration. There are well-recognized effects of heat and hydration status on the cardiovascular and thermoregulatory systems that can account for the decreased performance and increased sensation of effort that are experienced in the heat. Provision of fluids of appropriate [...]

By |2013-01-31T18:33:08+00:00enero 31st, 2013|Exercise and sport, Scientific papers|0 Comments