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)
â¢ Strain is a stretch related injury of muscle while sprain is an injury of joints and ligaments. â¢ Strains are common around back, hamstrings, and elbow while sprains are common in ankles, knees and wrists. Related posts: 1  Difference Between Bronchial Asthma and Cardiac Asthma.2  Difference Between Deformation and Strain.prain vs Strain. Strain and sprain are both causes of stretching beyond its functional capacity. Both conditions cause bruising, severe localized pain and tenderness. Pain medication, first aid methods, surgical correction, or semi-rigid immobilization may be necessary depending on the severity.