Rib Muscle Anatomy

The true ribs are the ribs that directly articulate with the sternum with their costal cartilages. Related posts of muscle anatomy rib cage muscle anatomy interactive.

Muscle Anatomy

True false and floating ribs.

Rib muscle anatomy. They are the first seven ribs. Rib 2 is thinner and longer than rib 1 and has two articular facets on the head as normal. Learn all about the anatomical features of the ribs with our flashcard images and videos.

Flashcard anatomy of the ribs. It has a roughened area on its upper surface where the serratus anterior muscle attaches. This muscle assists in depression of the ribs.

The fibres pass superolaterally to insert into the costal cartilages of ribs three to six. At the chest many rib bones connect to the sternum via costal cartilage segments of hyaline cartilage that allow the rib cage to expand during respiration. Muscle anatomy interactive 12 photos of the muscle anatomy interactive interactive muscle anatomy games interactive muscle anatomy quizzes muscle anatomy interactive muscle anatomy interactive quiz shoulder muscle anatomy interactive human muscles interactive muscle anatomy games interactive muscle anatomy quizzes.

The transversus thoracic muscles originate from the posterior surface of the xiphoid process and the lower part of the body of the sternum. Although fixed into place these ribs do allow for some outward movement and this helps stabilize the chest during inhalation and exhalation. According to their attachment to the sternum the ribs are classified into three groups.

An exception to this rule is that the first rib articulates with the first thoracic vertebra only. Rib 10 only has one facet for articulation with its numerically corresponding vertebrae.

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