Cardiovascular fitness is sometimes referred to as “cardiovascular endurance” because a person who possesses this type of fitness can persist in physical exercise for long periods of time without undue fatigue where can i get phentermine. It has been referred to as “cardio-respiratory fitness” because it requires delivery and utilization of oxygen, which is only possible if the circulatory and respiratory systems are capable of these functions.
The term “aerobic fitness” has also been used as a synonym for cardiovascular fitness because “aerobic capacity” is considered to be the best indicator of cardiovascular fitness and aerobic physical activity or exercise is the preferred method for achieving it Anavar. Regardless of the words used to describe it, cardiovascular fitness is complex because it requires fitness of several body systems.
Good cardiovascular fitness requires a fit heart muscle Trenbolone. The heart is a muscle; to become stronger it must be exercised like any other muscle in the body. If the heart is exercised regularly, its strength increases; if not, it becomes weaker. Contrary to the belief that strenuous work harms the heart, research has found no evidence that regular progressive exercise is bad for the normal heart. In fact, the heart muscle will increase in size and power when called upon to extend itself.
The increase in size and power allows the heart to pump a greater volume of blood with fewer strokes per minute Clenbuterol. The average individual has a resting heart rate of between seventy (70) and eighty (80) beats per minute, whereas it is not uncommon for a trained athlete’s pulse to be in the low fifties or even in the forties.