The thyroid gland is hugely important because it is the only means by which your body absorbs iodine to produce a hormone which is necessary for nearly every metabolic function in the body (everything from body temperature regulation and brain development, to converting food into energy).
Sprainâcomplete or incomplete tear in supporting ligaments surrounding a joint caused by a twisting or wrenching motion. Strainâacute or chronic injury to a muscle or tendinous attachment caused by stress, overuse, or over stretching. Classified as mild, moderate, or severe (see Classifying sprains and strains)
Strain etiology, assessment, and grading. Strains, pulls, tears, and ruptures are different names that describe the same muscle injuryâthe only difference is in the degree of injury sustained. A strain or pull is less serious than a tear or rupture. To keep it simple, the term strains will be used from this point forward.