Monday, October 6, 2008

IMPORTANCE OF EXERCISE AGAINST DIABETES.

Regular exercise is good for your general health as well as for your diabetes. Exercise makes your heart stronger and improves your circulation. Exercise improves your muscle tone and strength. Exercise helps you manage stress and helps you feel better about yourself. All of these help to make you more fit.

Exercise helps to reduce your risk of developing heart disease. Exercise helps lower the level of triglycerides and raise the level of HDL or "good cholesterol" in your blood. Exercise also helps lower your blood pressure. High blood pressure contributes to many of the chronic complications that can occur with diabetes.

Exercise helps you lose weight or maintain your weight by burning calories. By following a meal plan and exercising regularly, you can lose weight and maintain it at a desirable level. Exercise over time will increase the amount of muscle and decrease the amount of fat stored in your body. Muscle cells use more sugar and improve your blood sugar levels.

During exercise your body uses more sugar for energy than when your body is at rest. This can result in a rapid lowering of your blood sugar if you are taking insulin or an oral sulfonylurea (such as glipizide, glyburide, or glimepiride). You may have hypoglycemia (low blood sugar) during or after exercise. It is important that you keep your blood sugar in a safe range while you exercise. In order to do this, there must be a balance between the sugar used for energy while you exercise, the sugar available from food, and the medication you are on to lower your blood sugar. Testing your blood sugar is the best way to check this balance.

If you are at risk for hypoglycemia (low blood sugar) when you exercise, always be prepared. Sometimes hypoglycemia is harder to recognize when you are exercising because the exercise may make you sweaty or light-headed. Testing your blood sugar if you suspect an hypoglycemia is very important. If possible, exercise with a family member or friend who could help you if needed. Always carry some form of identification that says you have diabetes. Be sure to take some quick-acting form of sugar with you when you exercise such as glucose tablets or gel, Life Savers® or fruit juice.

If you have Type 1 diabetes, exercise is always balanced with your meal plan and insulin to control your diabetes. Changes may have to made in your insulin or food intake or both before and after exercise to prevent you from having hypoglycemia (low blood sugar).

If you have Type 2 diabetes, exercise helps to increase the sensitivity of your body cells to insulin. With this increased sensitivity, your own insulin works better and your blood sugar levels get better. When exercise is done at least every other day it is more likely to have this effect. Exercising regularly and following a meal plan may get your blood sugars in the target range without medication. In many people with Type 2 diabetes, medication is needed. Exercise is then used with a meal plan and the medication to control your diabetes.

Getting Started With Exercise.

You should talk over any plans you have for starting an exercise program with your doctor. Your doctor will assess the state of your health and decide whether you have heart disease or diabetes complications before advising you about exercise. Your doctor will give you information about exercise and your diabetes therapy. When you start an exercise program, you should start slowly and gradually build up your strength.

Choose an exercise you will enjoy and one which will fit with your lifestyle and physical abilities. The best type of exercise is aerobic exercise. This is exercise which is continuous over an extended period of time and uses large amounts of energy. Examples of this type of exercise are walking, running, bicycling, and swimming. These forms of exercise are more likely to help control your blood sugar than activities that require only short bursts of energy like many team sports and calisthenics. Exercises that are static and involve heavy lifting and total body straining should be avoided. These kinds of exercise do very little to benefit your heart or make your body's cells sensitive to insulin.

Walking is a very good form of exercise. Almost anyone can start a walking program. You can start out slowly and go a short distance and then gradually build up how fast and how far you walk. Walking is easily fit into your lifestyle and requires only a good pair of shoes and comfortable clothing. You can walk outdoors or indoors, alone or with others, and in all forms of weather. Enclosed malls have become an excellent and popular place to walk when the weather is bad.

Whatever exercise you choose should be done regularly and about the same time of day. It is best if you exercise daily but that may not be possible in your life. If daily exercise is impossible, a minimum of every other day (3-4 times per week) is the key to having exercise being of help in managing your diabetes. You should identify which days and times you will be able to exercise and then follow this schedule. This will help you plan for any change that you may need to make in your diabetes therapy because of exercise.

Self-Care for Exercise

If you have Type 1 diabetes, you may need less insulin or more food or both when you exercise. Trial and error over time will help you determine what insulin or food changes your body will need for safe blood sugar levels during exercise. The extra food you eat to provide sugar for exercise should not be subtracted from your meal plan. Blood sugar testing before and after exercise helps you know if the changes you make in your insulin or your food intake or both were right for you. If you are starting a new exercise, and especially if the exercise is done for a long time, you will need to also do blood sugars during exercise. Keeping careful records will help you establish the pattern of your blood sugar response to exercise.

You may prefer to adjust your insulin for exercise. This would be the best action to take if you are trying to lose weight and are doing planned exercise. Reduction in the amount of rapid or short acting insulin prior to exercise will reduce the amount of extra food you might have to eat to prevent or treat hypoglycemia. If you have certain days of the week when you are very active and other days when you get very little exercise, your insulin regimen may be adjusted to match these changes in your exercise pattern. If you notice a pattern of decreased blood sugar levels after you begin exercising, your intermediate or long-acting insulin doses may need to be decreased. Your doctor or nurse should be asked about adjusting you insulin for exercise.

Often you will need to eat extra food before you exercise. Whether you will need extra food before exercise and how much food you will need depends on several factors. The factors you will need to consider are when your insulin is peaking, when you last ate a meal or snack, how long and how hard you plan to exercise, and your blood sugar level. If your blood sugar is less than 80 mg/dl, you will always need a snack prior to exercise. The amount will depend on how long and how hard you plan to exercise. If your blood sugar is 80-180 mg/dl, you will need a snack if you plan exercise that is of moderate intensity and for 30 minutes or more. If your blood sugar is 180-240 mg/dl, you will not need a snack prior to exercise, but may need one later if the exercise is for 30 minutes or more. The longer and harder you exercise, the more extra food you will need to eat.

Trial and error over time will help you figure out what food your body will need for safe blood sugar levels during exercise. The extra food you eat to provide sugar for exercise should not be subtracted from your meal plan. Blood sugar testing should be done before and after exercise to help you figure out how exercise affects your blood sugar levels and whether you ate the right amount of food. If you are starting a new exercise, and especially if the exercise is done for a long time, you will need to also do blood sugars during exercise (approximately every 30 minutes). Keeping careful records will help you establish the pattern of your blood sugar response to exercise.

Exercise should be avoided if your blood sugar is consistently 300 mg/dl or more or you have ketones in your urine. Your diabetes should be brought under better control with adequate amounts of insulin before you exercise.

Exercise can increase how fast your insulin gets absorbed from the injection site. This could cause a rapid drop in your blood sugar level and may result in an insulin reaction. Because of this you should consider the type of exercise you will be doing when you choose an injection site. Insulin will be absorbed more rapidly if it is injected in fatty tissue over a muscle you will be exercising within an hour.

Your blood sugar level often continues to decrease after exercise. This occurs most often after exercise that is strenuous and of long duration. During exercise of this type, your muscles use sugar from your bloodstream and sugar that has been stored in your liver and muscles in the form of glycogen. During the hours after exercise, your body restores this glycogen by taking sugar out of the blood. This may take up to 24 hours and can result in hypoglycemia (low blood sugar). To prevent hypoglycemia after strenuous and prolonged exercise, your should eat extra food after you have quit exercising. It is very important to do a blood sugar test at bedtime when you have exercised vigorously and increase your bedtime snack to prevent a nighttime insulin reaction.

If you have Type 2 diabetes and are overweight your goal should be to exercise without increasing your food intake. If you are using a meal plan only for management of your diabetes, you are not at risk for your blood sugar dropping too low during exercise so extra food will not be needed. If extra food is needed to keep your blood sugar normal when you exercise, you will not be successful in losing weight. It is important that you not view exercise as a reason to eat extra food. Keep in mind that exercise may make you feel hungry. If this happens to you, try doing exercise just after you have eaten the biggest meal of the day.

Your blood sugar levels will probably be stable during and after exercise but it is possible that you may have hypoglycemia (low blood sugar) if you are taking insulin or an oral sulfonylurea (such as glipizide, glyburide, or glimepiride) especially if your exercise is strenuous or prolonged. You will need to follow the self-care guidelines for exercise and Type 1 diabetes. Hypoglycemia must be treated with extra food immediately. Hypoglycemia during or after exercise may mean that your medication dose needs to be reduced. Call your doctor or nurse about the hypoglycemia. Blood sugar testing helps you find out about the effect exercise is having on your diabetes control.

Foot Care for Exercise

When you have diabetes you are at greater risk for foot injury when you exercise. Nerve damage may decrease your ability to feel an injury to your feet. Impaired circulation can mean slow or poor healing when injuries do occur. Prevention of injury to your feet is very important. When you talk to your doctor about starting an exercise program, you will be advised about whether your legs and feet can safely tolerate the type of exercise your are planning.

Check your feet before and after exercise. Look for breaks in the skin, redness, blisters, or unusual swelling. If any of these problems occur, contact your doctor immediately. Wear shoes that fit properly and that are appropriate for the type of exercise you will be doing. Wear cotton socks, preferably white, and change them during exercise if they become damp.

Diabetes Complications and Exercise

Long-term complications such as eye or nerve damage may be worsened by inappropriate or strenuous exercise. This is why it is so important to check with your doctor before you begin an exercise program. If you have eye problems, exercises that require straining, such as weight lifting, can cause further eye damage. If you have nerve damage or poor circulation to your feet, exercises that produce a lot of impact on your feet, like running, can cause foot sores that you do not feel, possibly leading to serious damage before you notice the problem. The goal is to prevent worsening of any problems you have by selecting the proper exercise for you.www.diabetespreventions.blogspot.com

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