====== Overtraining syndrome ====== >When prolonged, excessive training stresses are applied concurrent with inadequate recovery, performance decrements and chronic maladaptations occur. Known as the overtraining syndrome (OTS), this complex condition afflicts a large percentage of athletes at least once during their careers. __There is no objective biomarker for OTS and the underlying mechanism is unknown.__"\\ \\ Source : [[http://link.springer.com/article/10.2165/00007256-200232030-00003|The Unknown Mechanism of the Overtraining Syndrome]] in: //Sports Medicine//, March 2002, Volume 32, Issue 3, pp 185–209 There are estimates that up to 10% of elite endurance athletes are sometimes affected by overtraining syndrome - which is defined as //'an unexplained underperformance for approximately 2 weeks even after having adequate resting time'.// Symptoms can include : * Persistent muscle soreness * Persistent fatigue * Elevated resting heart rate * Reduced heart rate variability * Increased susceptibility to infections * Increased incidence of injuries * Irritability * Depression * Mental breakdown * Burnout See : [[https://en.wikipedia.org/wiki/Overtraining#Signs_and_symptoms|Wikipedia]] ---- Also see [[content:life_sciences:human_body:exercise_addiction|]]