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Active warm-up and time-of-day effects on repeated-sprint performance and post-exercise recovery
Adriano A L Carmo1, Karine N O Goulart1, Christian E T Cabido1,2
1Exercise Physiology Laboratory, School of Physical Education, Physiotherapy and Occupational Therapy, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627. Pampulha, Belo Horizonte, MG, 31270-901, Brazil.
European Journal of Applied Physiology
|September 24, 2022
Summary
Active warm-up and afternoon exercise independently enhance sprint power. Afternoon sessions also showed faster post-exercise recovery, despite warm-up providing greater performance benefits.
Area of Science:
- Exercise Physiology
- Sports Science
- Human Performance
Background:
- Time-of-day influences physiological responses and athletic performance.
- Active warm-up protocols are standard practice to prepare athletes for exercise.
Purpose of the Study:
- To investigate the independent and combined effects of active warm-up and time-of-day on repeated-sprint cycling performance.
- To compare post-exercise physiological recovery between different experimental conditions.
Main Methods:
- Eleven male participants completed ten maximal cycling sprints (6s each, 30s recovery) in the morning and afternoon.
- Conditions included either a 10-minute active warm-up or a control (no warm-up).
- Physiological measures (temperature, heart rate, lactate) and sprint performance were recorded.
Main Results:
- Afternoon sessions showed higher resting temperatures and superior sprint performance (first sprint power) compared to morning sessions.
- Active warm-up enhanced sprint performance (first and average sprints) and increased muscle temperature, heart rate, and lactate.
- Post-exercise recovery, particularly rectal temperature and heart rate, was faster in the afternoon.
Conclusions:
- Both active warm-up and afternoon testing independently enhance muscular power during repeated sprints.
- Warm-up provided greater performance benefits than time-of-day effects.
- Late afternoon exercise facilitates a quicker post-exercise recovery.
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