Muscle injuries and dehydration can also trigger cramps. Dehydration is the excessive loss of fluids in the body. Low levels of any of the following minerals that contribute to healthy muscle function may also cause muscle cramps: calcium.
The heart is a part of the cardiovascular system in fact its the main part so if you have heart disease another way of saying this is you have cardiovascular disease.
Regular cyclists understand the power that cycling has on transforming the body. From both a speed and strength perspective, cycling builds the muscular structure while targeting cardiovascular endurance. While the primary muscles targeted are certainly the lower body muscles, the arm muscles as well the as the core also get in a great workout. Cycling has a variety of general health benefits such as fat lose, heart and lung function improvement, calorie burner, and targeting most the major muscle groups in the body.