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Time-of-Day Effects on Short-Duration Maximal Exercise Performance
Gerardo Gabriel Mirizio1, Rodolfo Soares Mendes Nunes2, Douglas Araujo Vargas3
1Muscle Cell Physiology Laboratory, Center of Molecular Studies of the Cell, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago, Chile.
Scientific Reports
|June 13, 2020
Summary
Exercise performance fluctuates throughout the day, peaking in the late afternoon for short, maximal efforts. Strategies exist to optimize performance at any time.
Area of Science:
- Sports Science
- Exercise Physiology
- Chronobiology
Background:
- Exercise performance exhibits diurnal variations affecting both endurance and resistance training.
- Short-duration maximal exercises (under 1 minute) show performance peaks between 4 PM and 8 PM.
Purpose of the Study:
- To review time-of-day effects on short-duration maximal exercise performance.
- To discuss strategies for enhancing short-duration maximal exercise performance at various times.
Main Methods:
- Literature review of studies on diurnal variations in exercise performance.
- Analysis of factors influencing short-duration maximal exercise performance.
Main Results:
- Short-duration maximal exercise performance demonstrates significant diurnal fluctuations.
- Factors like environmental conditions, warm-up, and training schedules can modulate these effects.
- Circadian rhythms within skeletal muscle play a role alongside physiological and psychological factors.
Conclusions:
- Time of day is a critical variable for prescribing training for short-duration maximal exercises.
- Understanding and manipulating these diurnal effects can optimize athletic performance.
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