WArm aerobics can delay the leg pain that makes walking difficult for people with peripheral arterial disease (PAD). PAD is a disease in which plaque build-up limits blood supply to muscles during exertion. hen doing the following simple balance exercises, stand near something you can use for support if needed, or do them with a partner. l Test your balance by seeing how long you can stand on one foot with your eyes closed. Most people over 40 can’t go past 15 seconds. Even if you can, try to improve your time. l Rise up on your toes 10 times. Repeat with your eyes shut. l Stand on one foot for 10 to 15 seconds; switch legs; repeat 10 times. Then do it again with your eyes closed. l Walk a straight line, placing the heel of one foot directly in front of the toes of the other foot.