Overtraining syndrome: signs and assessment
Meaning and diagnosis
Overtraining syndrome describes prolonged underperformance after an imbalance between training and recovery. A hard session or brief fatigue is not enough. The ECSS/ACSM consensus distinguishes functional overreaching, non-functional overreaching and overtraining syndrome, while acknowledging that the boundary depends partly on the subsequent recovery course.
ECSS/ACSM overtraining consensus
Assessment and response
There is no single symptom, hormone, heart-rate or HRV threshold that diagnoses the syndrome. Persistent fatigue or performance loss warrants reduced load and an assessment that considers illness, nutrition, sleep, psychological stress and other causes. Individual recovery cannot be promised on a fixed timetable.
ECSS/ACSM overtraining consensus
FAQ
Is there one required technique?
No. Setup and range should be controlled and tolerable.
ECSS/ACSM overtraining consensus
How many repetitions should I do?
Use a range that matches the goal, load and current capacity.
ECSS/ACSM overtraining consensus
Does it guarantee HYROX® improvement?
No. Transfer depends on the complete training programme.
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