Overtraining is a state in which levels of decrements in performance, as symptoms of physiological and psychological maladaptation, occur and will remain for a period of time despite changing the training load by lowering it

Overtraining is a state in which levels of decrements in performance, as symptoms of physiological and psychological maladaptation, occur and will remain for a period of time despite changing the training load by lowering it
Overreaching is the core of the training, the workouts designed to enhance performance through overreaching, or pushing athletes just beyond their current level of performance through changes in volume and intensity, with or without effects of the physiological and psychological signs of maladaptation
The relationship between the training load dosage and how does the athlete response to it determines the efficiency of the training performance as the final outcome