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The costochondral joints are the joints between the ribs and costal cartilage in the front of the rib cage. They are hyaline cartilaginous joints (i.e. synchondrosis or primary cartilagenous joint). Each rib has a depression shaped like a cup that the costal cartilage articulates with. There is normally no movement at these joints.
Costochondritis, also known as chest wall pain syndrome or costosternal syndrome, is a benign inflammation of the upper costochondral (rib to cartilage) and sternocostal (cartilage to sternum) joints. 90% of patients are affected in multiple ribs on a single side, typically at the 2nd to 5th ribs. [1]
The first seven pairs are connected with the sternum; the next three are each articulated with the lower border of the cartilage of the preceding rib; the last two have pointed extremities, which end in the wall of the abdomen. [2] Like the ribs, the costal cartilages vary in their length, breadth, and direction. They increase in length from ...
The prominent knobs of bone at the costochondral joints of rickets patients are known as a rachitic rosary or beading of the ribs.The knobs create the appearance of large beads under the skin of the rib cage, hence the name by analogy with the beads of a Catholic Christian rosary.
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Third to fifth ribs, near the costochondral junction: Insertion: Medial border and superior surface of the coracoid process of the scapula: Artery: Pectoral branch of the thoracoacromial trunk: Nerve: Medial pectoral nerve (C8) Actions: Stabilizes the scapula by drawing it inferiorly and anteriorly against the thoracic wall, raises ribs in ...
[1] [21] A separate study from 1993 found that slipping rib syndrome accounted for 3% of new referrals to a mixed specialty general medicine and gastroenterology clinic. [2] It is unclear whether SRS is more common in women as some studies report an equal gender distribution while others report the condition to occur more often in females.
Studies using sonography have shown post-operative changes in many patients such as an acute angulation of the costochondral junction and rib fractures near the pectus bar. Such changes occurred especially in patients who were older than 10 years or who underwent a high elevation of the sternum. [10]