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Having
trouble training? You might want to have your thyroid checked. This
gland, which controls the rate of your metabolism, also controls your
training abilities. An under active thyroid lowers energy and endurance
as well as cardiac output, which means the amount of oxygen and
nutrients delivered to working muscles is lowered as well. Lower
tolerance for exercise and greater muscle fatigue are common complaints
in those people with hypothyroidism, or an under active thyroid.
Hyperthyroidism, or an overactive glands, produces the opposite effect:
an elevated heart output and an increase in blood to the muscles. But
too much is as bad as too little. An overactive thyroid uses up
glycogen, the stored form of carbohydrates, much quicker, causing a form
of hypoglycemia during intense workouts. A major symptom of
hyperthyroidism is overheating, which is exhausting and also lowers
energy and endurance.
A simple test
called a blood panel can diagnose the state of your thyroid, which can
then be controlled with medication. If your workouts have turned into
wear-outs, you should have one done.
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