Muscle atrophy can also happen if you are bedridden or unable to move certain body parts due to a medical condition. Astronauts, for example, can also experience some muscle atrophy after a few days of weightlessness. Other causes for muscle atrophy include: 1  lack of physical activity for an extended period of time. 2  aging.  alcohol-associated myopathy, a pain and weakness in muscles due to excessive drinking over long periods of time.
In addition, TSH tests are used to help diagnose a condition called subclinical hypothyroidism, which usually causes no outward signs or symptoms. In this condition, you have normal blood levels of triiodothyronine and thyroxine, but higher than normal levels of TSH. Nov. 10, 2015.
Diagnosis of TSH Levels. If a person shows symptoms of thyroid disorder, his or her doctor will most likely require a TSH test. The TSH test determines the level of TSH in the body, as well as T3 and T4 hormone levels too.It is the best way to know if one has a thyroid problem.The TSH Levels Test is used to: 1  Identify if the person has thyroid disorder, such as hypothyroidism or hyperthyroidism, especially if the person has shown symptoms of either beforehand.t is the best way to know if one has a thyroid problem. The TSH Levels Test is used to: 1  Identify if the person has thyroid disorder, such as hypothyroidism or hyperthyroidism, especially if the person has shown symptoms of either beforehand.