The most common cause of vascular obstruction is a blood clot, also known as a DVT. This type of vascular problem usually occurs in one leg (not both), and leads to swelling of the soft tissues throughout the foot and ankle. The swelling can also extend further up the leg.
The hypothalamus is a part of your brain that controls body temperature. When you exercise, your body temperature increases, causing the hypothalamus to signal the brainstem to further increase your heart rate.
Take your pulse to determine your heart rate during a workout. Photo Credit Jupiterimages/Photos.com/Getty Images. Aerobic exercise causes your heart to beat faster and your muscles to exert themselves, promoting calorie burn. While higher-intensity physical activity burns calories faster, it can be difficult to know how hard to push your body. Your heart rate is a useful measurement that helps you determine your aerobic exercise intensity, and maximize fat burn.