Overtraining

Commonly called staleness or burnout, overtraining syndrome is a potentially serious medical illness experienced by endurance athletes. It is characterized by a decline in athletic performance, fatigue, and emotional changes despite intense physical training. The physiological changes most often seen are reduced exercise time before exhaustion, reduced maximum performance (decreased lactate production and increased anaerobic threshold), and decrease in the maximum heart rate. In females, menstrual changes can be seen. Psychologically, athletes have complaints similar to ...