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.
Many types of people, at many levels of fitness, who have begun doing Pilates exercises say they've seen improvements in range of motion, flexibility, circulation, posture, and abdominal strength -- and decreases in back, neck and joint pain.