A training-induced increase in muscle LPL activity was found only in euthyroid animals.
However, muscle LPL activity is already elevated in non-exercised thyroid-deficient
rats. Training caused similar or greater decreases in muscle and plasma TG levels
in hypothyroid as compared to euthyroid animals. These data indicate that training-induced
changes in TG metabolism are not dependent on an euthyroid status and suggest that
a hypothyroid status may enhance TG utilization during exercise.
Exercise
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Hypothyroid
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Muscle Fiber Types