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.
Core strength (core pertaining to the central muscles of the body; lower back, glutes and the abdominal region) is a very important health component, in that it supports the body in almost every movement and position, and the deadlift is the key core strength building movement.