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.
This exercise targets numerous back muscles, including your erector spinae, rhomboids, trapezius, latissimus dorsi and levator scapulae. In other words, the stiff-legged dumbbell deadlift helps strengthen both your upper and lower back so you can excel at sports and maintain excellent posture.