EXERCISING HEART RATE & BLOOD PRESSURE Aim: to find the impact of exercise on heat rate and arterial blood pressure. Equipment: Sphygmomanometer Access to stairs Book case Macbook Method: Part A 1. While seated down, have your peer take your blood pressure using a digital sphygmomanometer. 2. Record the reading of both heart rate and blood pressure. 3. On a foam mat perform as many push-ups as you can until you’re exhausted. 4. Quickly, take your seat and have your blood pressure taken. 5. Record as before both heart rate and blood pressure. Part B As in part A, however, get the participant run up and down a flight of stairs until reaching exhaustion. Part C As in part A, however, get the participant raises a load over his head with both hands until reaching exhaustion. A load could be a storage box with few books in it or a heavy school bag. ATTENTION: if you have a heart condition, hypertension or are diabetic you are NOT allowed to do exercises that involve lifting weights above your head or lying down on decline angle while exercising. QUESTIONS 1. Explain why heart rate increases during exercise. 2. Which of the above three exercises would produce the greatest heart rate? Explain. 3. Explain why blood pressure changes when a person exercise. 4. Extension: exercising heart rate in athletes is higher than that of unfit individuals. True or False?