Ballistic Stretching Vs. Static Stretching. A woman is stretching. Stretching is an essential part of physical fitness. Routine stretching may slow the degeneration of joints, reduce the risk of injury, improve posture, enhance muscular relaxation, reduce or manage stress, improve functional performance, and promote circulation.
Definition. A hemoglobin test measures the amount of hemoglobin in your blood. Hemoglobin is a protein in your red blood cells that carries oxygen to your body's organs and tissues and transports carbon dioxide from your organs and tissues back to your lungs.If a hemoglobin test reveals that your hemoglobin level is lower than normal, it means you have a low red blood cell count (anemia).Anemia can have many different causes, including vitamin deficiencies, bleeding and chronic diseases.f a hemoglobin test reveals that your hemoglobin level is lower than normal, it means you have a low red blood cell count (anemia).
1 Hemoglobin (Hgb). 2  The hemoglobin molecule fills up the red blood cells. 3  It carries oxygen and gives the blood cell its red color. 4  The hemoglobin test measures the amount of hemoglobin in blood and is a good measure of the blood's ability to carry oxygen throughout the body. CBC test usually includes: 1  White blood cell (WBC, leukocyte) count. 2  White blood cells protect the body against infection. 3  If an infection develops, white blood cells attack and destroy the bacteria, virus, or other organism causing it. 4  White blood cells are bigger than red blood cells but fewer in number.