Rib Tubercle
Rib Tubercle - Related Videos
01:20
The Thoracic Cage: Ribs
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2025
Ribs are curved, flattened bones forming the thoracic cavity wall with the thoracic muscles. There are 12 pairs of thoracic ribs. The posterior ends of all the ribs articulate with the T1–T12 thoracic vertebrae. In contrast,the anterior ends of most ribs attach to the sternum via their costal cartilages. Parts of a Typical Rib A typical rib has a head, neck, and body. The posterior end of the rib is called the head, followed by a narrow neck. The head articulates primarily with the costal facet...
08:42
A Surgical Procedure for Resecting the Mouse Rib: A Model for Large-Scale Long Bone Repair
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Cited by 7 •
2015
The overall goal of this procedure is to successfully resect a portion of bone from the rib of a mouse. The procedure was developed as a model to study large-scale long bone repair.
06:57
Transaxillary First Rib Resection for Treatment of the Thoracic Outlet Syndrome
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Cited by 3 •
2020
Here, we present a protocol of the transaxillary resection of the first rib for treatment of thoracic outlet syndrome caused by compression of the brachial plexus, subclavian vein and artery.
12:01
Knee Exam
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2023
Source: Robert E. Sallis, MD. Kaiser Permanente, Fontana, California, USA The knee is a hinged joint that connects the femur with the tibia. It is the largest joint in the body, and due to its location in the middle of the lower leg, it is subjected to a variety of traumatic and degenerative forces. Examination of the knee can be quite complex, owing to the fact it is an inherently unstable joint held together by various ligaments and supported by menisci, which act as shock absorbers and...
09:51
Intraosseous Needle Placement
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2023
Source: Julianna Jung, MD, FACEP, Associate Professor of Emergency Medicine, The Johns Hopkins University School of Medicine, Maryland, USA For unstable patients requiring urgent administration of medications, fluids, or blood products, establishing vascular access quickly is essential. However, there are many factors that can complicate placement of a peripheral intravenous cannula (PIV), and it is extremely common for PIV attempts to fail. PIV placement may be technically challenging in small...
FAQs
The smooth articular facet provides a defined contact area for the costotransverse joint, whereas the neighboring rough surface anchors ligaments and muscles. This separation of functions allows the rib to remain connected to the vertebral column while associated soft tissues guide its movement. Together, these structures support thoracic cage stability and coordinated motion during breathing.
Its articulation with the corresponding vertebral transverse process creates a local connection between an individual rib and the spine. Because the adjacent attachments help guide movement, changes at this connection can influence how the rib participates in thoracic cage motion. The landmark therefore connects skeletal anatomy with spinal stability and respiratory mechanics.
The rib tubercle is a useful landmark when examining rib morphology because most typical ribs show an articular facet and an adjacent rough attachment area in a recognizable posterior arrangement. Comparing whether this arrangement is present, and how it relates to nearby rib features, helps students interpret specimens and anatomical images while distinguishing rib types.
Begin on the posterior surface of the rib and locate the bony prominence near its vertebral end. Then distinguish the smooth articular facet from the adjacent rough area. Finally, assess the facet’s relationship to the transverse process of the corresponding vertebra. This sequence links surface appearance with the rib’s articulating and attachment functions.
Assessment can focus on the tubercle’s contour, the articular facet, and the relationship between the rib and its corresponding transverse process. The adjacent rough attachment area also provides a reference for ligament and muscle connections. Examining these features helps relate local structural changes to possible effects on spinal stability, rib movement, or respiratory mechanics.
The landmark helps reveal how a rib is connected to the vertebral column and how nearby muscles and ligaments may guide its movement. In anatomical or structural assessment, those relationships provide context for interpreting thoracic cage motion during breathing. They also help explain why changes near the tubercle may affect both rib mobility and respiratory mechanics.