Neftaly: The Relationship Between Dehydration and Muscle Fatigue
Dehydration significantly impacts muscle function, leading to early onset of fatigue during athletic performance.
1. Reduced Blood Volume
Loss of fluids decreases blood volume, limiting oxygen and nutrient delivery to muscles, impairing their endurance and strength.
2. Electrolyte Imbalance
Dehydration disrupts electrolyte levels (sodium, potassium, magnesium), which are crucial for muscle contraction and nerve signaling.
3. Impaired Cooling Mechanism
With less fluid, the body’s ability to regulate temperature decreases, increasing heat stress and accelerating fatigue.
4. Altered Metabolism
Dehydration hampers energy production by affecting metabolic processes, reducing muscle efficiency.
5. Increased Perceived Effort
Athletes feel more exhausted under dehydration, which negatively influences motivation and performance.

