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Training with Diabetes
Diabetes,
particularly type 2, is reaching epidemic proportions throughout
the world as more and more cultures adopt Western dietary
habits.
Aerobic
exercise is proving to have significant and particular benefits
for people with both type 1 and type 2 diabetes.
Benefits
of Exercise for People with Diabetes:
People with diabetes are at particular risk for heart disease,
so the heart protective effects of exercise are very important
for this patient population.
Moderate
exercise, in fact, protects the heart in people with type
2 diabetes, even if they have no risk factors for heart
disease other than diabetes itself.
Regular
exercise, even of moderate intensity, improves insulin sensitivity,
one study reported that yoga helped patients with type 2
diabetes reduce their need for oral medications.
Studies
suggest that regular or moderate aerobic exercise lowers
the risk for developing diabetes in the first place in overweight
people, even if they don't lose weight.
There is
some indication that aerobic exercise before and during
pregnancy can lower glucose levels and may be protective
for women at risk for or who have gestational diabetes.
(Any pregnant woman should check with her physician before
embarking on any exercise regimen.)
Some
Precautions for People with Diabetes Who Exercise:
The following are precautions for all people with diabetes:
- Because
people with diabetes are at higher than average risk for
heart disease, they should always check with their physicians
before undertaking vigorous exercise
- For
best and fastest results, frequent high-intensity (not
high-impact) exercises are best for people who are cleared
by their physicians
- For
people who have been sedentary or have other medical problems,
lower-intensity exercises are recommended using regimens
designed with physicians
- Strenuous
strength training or high-impact exercise is not recommended
for uncontrolled diabetes
- Resistance
or high impact exercises can strain weakened blood vessels
in the eyes of patients with retinopathy
- High-impact
exercise may also injure blood vessels in the feet, patients
who are taking medications that lower blood glucose, particularly
insulin, should take special precautions before embarking
on a workout program
- Glucose
levels swing dramatically during exercise, people with
diabetes should monitor their levels carefully before,
during, and after workouts
- Patients
should probably avoid exercise if glucose levels are above
300 mg/dl or under 100 mg/dl
- To
avoid hypoglycemia, diabetics should inject insulin in
sites away from the muscles they use the most during exercise
- Before
exercising, they should also avoid alcohol and, if possible,
certain drugs
- Insulin-dependent
athletes may need to decrease insulin doses or take in
more carbohydrates prior to exercise but may need to take
an extra dose of insulin after exercise
- Stress
hormones released during exercise may increase blood glucose
levels; in non-diabetics insulin is released to control
this
- Diabetics
therefore need to test their blood sugar and take an extra
dose as instructed by their diabetes healthcare provider
- Diabetics
also need to drink plenty of fluids prior, during and
after training
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