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Jet-lag and human performance.

C E Loat1, E C Rhodes

  • 1J.M. Buchanan Exercise Science Laboratory, University of British Columbia, Vancouver, Canada.

Sports Medicine (Auckland, N.Z.)
|October 1, 1989
PubMed
Summary
This summary is machine-generated.

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Jet-lag disrupts an athlete's physiological and psychological rhythms, negatively impacting performance. Factors like time zones crossed and individual traits influence recovery time.

Area of Science:

  • Sports Science
  • Chronobiology
  • Human Physiology

Background:

  • Athlete performance is significantly affected by the desynchronization of physiological and psychological cycles.
  • Jet-lag, caused by rapid travel across time zones, is a primary disruptor of these rhythms for international competitors.

Purpose of the Study:

  • To examine the adverse effects of jet-lag on athlete performance.
  • To identify the specific physiological and psychological symptoms resulting from jet-lag.
  • To explore factors influencing the severity and resynchronization time after jet-lag.

Main Methods:

  • The study reviews the general and specific symptoms associated with physiological and psychological dyssynchronization in athletes.
  • It analyzes the characteristics of phase shifts in various bodily functions due to jet-lag.

Related Experiment Videos

  • Factors affecting the severity and recovery from jet-lag are discussed.

    • Main Results:

    • Jet-lag causes symptoms like malaise, appetite loss, daytime tiredness, and disturbed sleep.
    • Specific phase shifts include disruptions in body temperature, energy substrate mobilization, excretion, arousal, sleep/wake cycles, and reaction time.
    • Severity and resynchronization depend on pre-flight preparation, time zones crossed, flight direction, individual traits, age, social factors, diet, and chronobiotic drugs.

    Conclusions:

    • Jet-lag poses a significant challenge to athlete performance by disrupting critical biological rhythms.
    • Understanding the influencing factors is crucial for developing strategies to mitigate jet-lag effects and optimize recovery.
    • Individualized approaches considering personal characteristics and environmental factors are key for effective resynchronization.