Answer:
Start by standing with a weight in each of your hands. Your elbows should rest at your sides and your forearms should extend out in front of your body. Your knees should stay slightly bent. Bring the weights all the way up to your shoulders by bending your elbows. Once at the top, hold for a second by flexing the muscle. Reverse the motion slowly and repeat. Make sure your body is steady and you have good footing and posture.
Explanation:
Strength training contributes most to strong bones
The rhythmic sequence at which your heart beats is called a sinus rhythm, it is when the atria and ventricles of the heart contract.