Concentric contractions: A concentric contraction is a type of muscle contraction where the length of the muscles shorten while undergoing tension. For example, when you pick up a curl bar and perform a biceps curl, the length of your biceps muscles shorten.
Blood in Baby's Stool. Babies can sometimes have blood in their stool that is caused by food allergies, a small anal tear or fissure, or even a temporary case of lactose intolerance. It might even be a drop of blood that came from a cracked nipple, which the baby then passed through his system.
This tends to cause blood in the babyâs stool and the main reason is attributed to genetic trends. The immune system of a baby is not developed and this makes them susceptible to infections. It is observed that bacteria evade over the intestinal wall and degeneration of it may cause spike of blood in the stool of infants. Treatment