This study examined how the body and mood respond to intense physical effort in elite male and female rowers. Athletes completed a maximal rowing test after one week of hard training. Researchers collected blood samples before and after exercise to measure stress hormones and brain-related chemicals. They also used a short questionnaire to assess how the athletes felt emotionally before the test. The goal of the study is to better understand how physical and mental fatigue develop in well-trained athletes, and whether men and women respond differently.
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Serum Testosterone concentration
Timeframe: Before exercise, immediately after, and 1 hour after recovery
Serum Cortisol concentration
Timeframe: Before exercise, immediately after, and 1 hour after recovery
Serum Serotonin concentration
Timeframe: Before exercise, immediately after, and 1 hour after recovery
Serum Gamma-aminobutyric acid (GABA) concentration
Timeframe: Before exercise, immediately after, and 1 hour after recovery
Serum Tryptophan concentration
Timeframe: Before exercise, immediately after, and 1 hour after recovery
Profile of Mood States
Timeframe: Before exercise