Does Your Brain Get Tired During Exercise?

Milena Lisboa

During a long or intense workout, it is common to think that fatigue comes only from the muscles. But the brain also plays an active role in this process. Maintaining pace, interpreting signals from the...

What Happens to Your Muscles After a Race?

Milena Lisboa

Crossing the finish line does not mean your body has finished working. Even after completing a race, your muscles continue to go through a series of processes to restore energy, repair structures, and adapt to...

Why Does Performance Change So Much at High Altitudes?

Milena Lisboa

Anyone who has tried running, cycling, or simply climbing a mountain at high altitude has probably noticed something strange: the same effort that feels comfortable at sea level can become much harder several thousand meters...