Runners anemia is also known as?

• A. Hemophilia
• B. Hemolysis
• C. Hematocrit
• D. Hypoxia

Answer: (B)

Runners anemia, often seen in endurance athletes like runners, is characterized by a decrease in the number of red blood cells or hemoglobin levels, leading to diminished oxygen transport capacity. This condition is commonly referred to as "sports anemia." The term hemolysis relates specifically to the destruction of red blood cells, which can result in decreased red blood cell counts and contribute to anemia. During intense or prolonged exercise, the physical impact on the body can lead to increased red blood cell destruction through mechanical factors, such as foot strikes during running, which is closely related to the phenomena experienced in runners using their legs heavily over long distances.

The other terms—hemophilia, hematocrit, and hypoxia—do not accurately describe runners anemia in the same context. Hemophilia is a bleeding disorder, hematocrit measures the proportion of blood volume that is made up of red blood cells, and hypoxia refers to insufficient oxygen availability in the tissues, which is a different concept from runners anemia. Therefore, hemolysis effectively encapsulates the underlying mechanism and conditions associated with the reduction in red blood cell counts observed in runners.