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.
slide 3 of 7. What is the sTSH Blood Test? TSH is measured to determine the amount of Thyroid Stimulating Hormone circulating in the blood. sTSH, or sensitive TSH, is a 3rd generation blood test that is more accurate than previous generations of the test. Because of it's sensitivity, diagnosis of thyroid problems can be made earlier, sometimes leading to treatment or monitoring before any symptoms have developed.