Muscle fatigue

Muscle Fatigue is a phenomenon experienced during strenuous exercise or physical activity, characterized by a decline in the ability of a muscle to generate force. It can be a result of vigorous exercise but can also occur due to illness, a side effect of certain medications, or as a symptom of certain chronic conditions.

Causes

Muscle fatigue can be caused by a variety of factors, including lactic acid build-up in the muscles, depletion of glycogen stores, and dehydration. Other factors can include lack of sleep, poor nutrition, and certain medical conditions such as anemia and hypothyroidism.

Symptoms

Symptoms of muscle fatigue can include a feeling of weakness, difficulty in initiating or sustaining muscle contractions, and a decrease in performance or endurance. Other symptoms can include muscle soreness, shortness of breath, and an increased heart rate.

Prevention and Treatment

Prevention and treatment of muscle fatigue can involve a combination of rest, proper nutrition, and hydration. In some cases, medical treatment may be necessary, particularly if muscle fatigue is a symptom of an underlying medical condition.

See Also

• Exercise physiology
• Muscle weakness
• Chronic fatigue syndrome