Trimarni Coaching and Nutrition

  As the weather gets warmer, I often get emails from athletes asking me about my recommendations for sweat testing or if I can review sweat test analysis. Interestingly, almost every time I speak with an athlete in regards to sweat rate and sodium loss, they give a lot of focus to sodium. While sodium is important and plays a role in sport drinks (and in your daily diet), you can't load your body with sodium and expect your body to perform well if you are exercising in a dehydrated state. The   sweating response is a thermoregulatory mechanism designed to help cool down the body. Dehydration increases in hot conditions. Dehydration occurs from sweat loss. When you sweat you lose fluids. If you don't replenish these fluids as you are exercising, your blood volume drops, which causes your blood to get thicker. This makes it harder for your heart to supply blood to your muscles. As a result, your heart has to work even harder to pump that blood. Additionally, when fluid lev...