There are 12 pairs of ribs which are separated by intercostal spaces. The first seven ribs progressively increase in length, the lower five ribs begin to decrease in length. Ribs are highly vascular and …

Explore the anatomy, ossification and variations of the first rib, its key features and clinical correlates.

Aug 15, 2025 · The first rib is the most superior of the twelve ribs, situated at the top of the rib cage. It is nestled beneath the collarbone (clavicle) and extends from the spine to the breastbone (sternum).

Jun 19, 2025 · The first rib is the most superior of the twelve ribs. It is an atypical rib and is an important anatomical landmark and is one of the borders of the superior thoracic aperture.

The first rib is the most curved and usually the shortest of all the ribs; it is broad and flat, its surfaces looking upward and downward, and its borders inward and outward.

Unlock the mysteries of the human anatomy with our expert-led exploration of the first rib!

The first rib is the shortest, widest and most unusual of all ribs. Unlike other ribs, it lies in the horizontal plane and therefore is flattened superoinferiorly and positioned obliquely.

Oct 30, 2023 · The first rib is the widest, shortest and has the sharpest curve of all the ribs. The head only articulates with the body of the T1 vertebra and therefore only one articulatory surface is present.

Next we’ll take a further look at the first rib, a landmark structure where the thorax becomes continuous with the neck. The first rib is the most tightly curved of all the ribs.

Jul 14, 2025 · The first rib is the uppermost rib in your body, sitting just beneath your collarbone. It connects to the thoracic spine (T1 vertebra) in the back and to the sternum in the front via cartilage.