underperformance syndrome (UPS)

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underperformance syndrome (UPS)

an enduring deficit in performance which persists despite a period of rest or reduced training load and is not explained by any major diagnosed pathology. Characterized by a wide range of symptoms including fatigue, frequent minor infections and disturbed mood. It differs from chronic fatigue syndrome in that the symptoms do not have to last at least 6 months. See also overtraining.