In addition, since isometric exercises are done in a static position, they won't help improve speed or athletic performance. They can be useful, however, in enhancing stabilization â maintaining the position of the affected area â since muscles often contract isometrically to aid in stabilization.
Etiology. Most (85-95%) substernal thyroid masses represent benign goiter. Historically, goiters have generally occurred because of iodine deficiency, although this is now observed primarily in developing nations.
The thyroid gland is one part of the endocrine system which is primarily responsible for the regulation of healthy hormones in the body. The thyroid gland is considered as one of the largest endocrine glands in the body.It weighs 2-3 grams in newborns and 18-60 grams in adults.s I have said earlier, the thyroid gland is responsible for the regulation of the metabolism of the body. This means that the thyroid secretes hormones that are responsible for burning the calories, fats and other nutrients used by our body for energy.