Everyone knows exercise is good for your health. But how do you know if you're getting the most out of your workout? An easy way to find out is by knowing your target heart rate. A normal resting ...

is the volume of blood pumped out of each ventricle each time the heart beats Heart rate close heart rateThe number of heart beats per minute. is the number of beats per minute and is the same as ...

Trainer Janine George demonstrates how to use dumbbells to get your heart rate up in this cardio workout. Stand with your feet shoulder-width apart. Hold a dumbbell in your right hand and place it ...