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.
Circuit training. Any movement is better than sitting still when it comes to improving your heart health, but one of the best types of exercises to increase your cardiovascular fitness is circuit training, says Brendan J. Fox, a Toronto-based health and fitness expert.