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.
Toned legs have a low amount of fat and defined, lean muscles. When you have existing flab, you need to perform cardiovascular exercise to remove it. Cardio burns fat in your legs and throughout the rest of your body. Multiple forms are effective, such as running, fast-paced walking, elliptical training, stair climbing, cycling and rowing.