Can you feel your manubrium?Īt its inferior end, the manubrium meets the body of the sternum at the joint with the costal cartilage of the second ribs. Pigeon chest develops differently in different people. It usually first develops during a rapid growth spurt, in children and adolescents aged 10 and older. Pectus carinatum (pigeon chest) is when part of your child’s breastbone is pressed outwards or raised up. The outlook for children with pectus carinatum is excellent with the use of a chest brace. It may cause troublesome symptoms in some children, however, including shortness of breath, asthma, pain, fatigue, and a rapid heart rate. Pectus carinatum does not typically cause any serious health problems. , manubrium sterni (m-n’br-m str’nm, strn) The upper segment of the sternum, a flattened, roughly triangular bone, occasionally fused with the body of the sternum, forming with it a slight angle, the sternal angle. Pectus carinatum can be present at birth, although it can also occur during adolescence, emerging suddenly during the growth spurt at puberty. The condition may be caused by excessive growth of cartilage. Other names are chest protrusion, protruding chest or protruding sternum. It is believed to be a disorder of the cartilage that joins the ribs to the breastbone. Pectus carinatum is a childhood condition in which the sternum (breastbone) sticks out more than usual.
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