Physiological Demands in Sports Practice

Ana Sousa, João Ribeiro, Pedro Figueiredo

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

When a car starts moving, it performs mechanical work that is used to move along a specific road. At that moment, the energy injected into the car, coming from the transformation of chemical energy into mechanical energy via fuel oxidation into the engine, changes rapidly. The human body is an amazing machine whose motion can be compared to a car driven on the road. Whenever we got up from a chair, run to catch the bus, or even participate in any athletic event, the energy demands of our muscles change rapidly. In fact, our energy transfer activity’ systems become higher in order to fulfill the energy requirement, whether to perform a simple task or whether to perform a more complex and energy-demanding one. The predominance of the three energy-supplying processes (ATP-PCr, glycolytic, and oxidative systems) depends on the duration and intensity of the activity to be performed. Therefore, identifying the energy required for this activity, as well as producing a measure that relates to a specific aerobic physiological state (maximal oxygen uptake and anaerobic threshold), implies an athlete, or team of athletes, to be tested, in field or laboratory conditions. The energetic profile determination of an athlete has become one of the important things for an effective exercise training prescription, monitoring training adaptations, and subsequently enhancing performance.

Original languageEnglish
Title of host publicationThe Sports Medicine Physician
PublisherSpringer International Publishing
Pages37-44
Number of pages8
ISBN (Electronic)9783030104337
ISBN (Print)9783030104320
DOIs
Publication statusPublished - Jan 1 2019
Externally publishedYes

Keywords

  • ATP
  • Energy
  • Exercise
  • Lactate threshold
  • VO

ASJC Scopus subject areas

  • General Medicine

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