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E-book Fluid Balance, Hydration, and Athletic Performance

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Penilaian

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Undeniably, water, the nutrient comprising the greatest percentage of mass in the human body, has the most dramatic impact on function and structure when its bal­ance is upset. The human body is resilient to some change. However, during physical activities, such as athletics, the effects of water deficit can be magnified to that point where physical and mental functions are diminished. Additionally, depending on the extent of water imbalance, the safety and well-being can be at risk. Specific functions that water serves in the body include providing the medium for metabolic reactions, serving as a substrate or a reactant for specific reactions, transporting nutrients and waste products to specific locations, contributing in sev­eral ways to thermoregulation, and contributing to lubrication. For the athlete, trans­port of nutrients and waste and thermoregulation are especially critical roles in the body. The athlete’s ability to sustain performance and avoid fatigue is in many ways attributed to the maintenance of homeostasis with substrate availability, transport of metabolites, and transfer of heat from the muscle, all of which require adequate blood flow at some point during the performance. Blood flow is highly dependent on having adequate blood volume, which hydration status will impact. The objective of this chapter is to provide an overview of hydration of the athlete’s body. Our review will include defining total body water (TBW) and its components; defining water balance and turnover; identifying the factors that influence water bal­ance particularly during exercise; describing mechanisms of body water regulation to ensure balance is maintained; and identifying and describing methods of assess­ing hydration status and the state of fluid balance. In the spirit of this textbook, care will be taken to provide examples and data that are most relevant to the athlete.

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

613.2 ARA f

Penerbit

USA : CRC Press., 2016

Deskripsi Fisik

458 hlm

Bahasa

English

ISBN/ISSN

9781482223286

Klasifikasi

613.2

Tipe Isi

text

Tipe Media

computer

Tipe Pembawa

online resource

Edisi

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Subjek

Dietetics

Info Detail Spesifik

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Pernyataan Tanggungjawab

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Versi lain/terkait

Lampiran Berkas

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