Effects Of Dehydration On Strength Training [UPDATED] What is Dehydration? Dehydration occurs when you lose more fluid than you take in. While this may seem minor, too little water can cause serious problems and a dangerous domino effect leading to life-threatening conditions. Does Dehydration Affect Strength? Dehydration reduces strength (by approximately 2%), power (by approximately … Continue reading Effects Of Dehydration On Strength Training