Performance-related |
- Unexplained underperformance
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- Increased sense of effort in training or competition
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Mood-related |
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- Depressed mood; depression
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- Uncooperative with teammates or coaching staff
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Fatigue- or sleep-related |
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- Sleep disturbances; increased daytime sleepiness
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Somatic |
- Persistent muscle soreness or stiffness
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- Frequent illness (eg, upper respiratory infections)
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- Chronic or recurrent overuse injuries
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