Task: Audio-visual Exercises AV Clip 12: walking for Heart Health AV 12 Walking For Heart Health.mp4 Watch the video clip three times and complete the following passage by filling in each blank with the word from the video clip. For decades, doctors have recommended that cardiac (1) _______ exercises for heart patients. Studies show that those who participate live longer than those who don’t. But the program has (2) _______ largely unchanged since 1970s. And new researchers find that the patients can get greater benefits with more exercise. Doctors from the University of Vermouth studied 74 (3) ________ patients in cardiac rehab. Half performed the usual exercises, walking, biking or (4) ________ for about half an hour three times per week. The other half took a long road for 45 to 60 minutes most days per week. After 5 months, the long (5) walkers had big improvements in blood sugar and (6) ________ levels, lower blood pressure and improved aerobic fitness. They also lost twice as much weight: 18 pounds compared with 8 pounds for the (7) _______ exercise group. Experts say even low impact such as walking can burn thousands of extra (8) _______ per week if you do them often enough. And they recommend that people start now to keep their heart strong and healthy for years to come.