Excessive Exercise
Calhan High School gymnasium in Calhan, Colorado A gymnasium, also known as a gym, is an open air or covered location for gymnastics, athletics, and gymnastic services. The word is derived from the ancient Greek gymnasium.[1] They are commonly found in athletic and fitness centers, and as activity and learning spaces in educational institutions. "Gym" is also slang for "fitness center", which is often an indoor facility. Excessive Exercise: Too much exercise can be harmful. Without proper rest, the chance of stroke or other circulation problems increases,[97] and muscle tissue may develop slowly. Extremely intense, long-term cardiovascular exercise, as can be seen in athletes who train for multiple marathons, has been associated with scarring of the heart and heart rhythm abnormalities.[98][99][100] Specifically, high cardiac output has been shown to cause enlargement of the left and right ventricle volumes, increased ventricle wall thickness, and gre