Strength training makes the heart pump faster which forces the left ventricle, the part of the heart that pumps blood to most of your body to work harder and become stronger. Just like other muscles, the heart responds to hard work by growing thicker, stronger walls. You get a larger left ventricle that pumps more blood with each beat, A stronger pump means you get a lower resting heart rate.
Strengthening your muscles can help protect you against bone loss and improve bone mineral density so bones are less susceptible to osteoporosis. Strength training can also improve insulin sensitivity, particularly for those who have type 2 diabetes. The more muscle, the greater the capacity and efficiency for using glucose. Read More..