muscle fatigue – MySymptom

Is it normal to have your legs feel like jelly after taking a flight of stairs?

1. Introduction Having your legs feel like jelly after ascending a flight of stairs is a recognized physiological sign of acute, localized muscle fatigue. Climbing stairs is a biomechanically demanding task that requires substantial concentric and eccentric contractions of the large quadriceps and gluteal muscles, frequently requiring the body to lift its entire weight repeatedly … Read more

Can a lack of protein cause extreme muscle weakness and fatigue?

1. Introduction Yes, a lack of dietary protein can cause extreme muscle weakness and profound systemic fatigue. When protein intake is insufficient, the body breaks down its own skeletal muscle tissue to harvest essential amino acids for vital organ function, a process known as catabolism. This loss of muscle mass, combined with the resulting cellular … Read more