Podcast
Questions and Answers
What is the main function of the rib cage?
What is the main function of the rib cage?
What type of ribs attach directly to the sternum via costal cartilages?
What type of ribs attach directly to the sternum via costal cartilages?
Which muscle attaches to the ribs and helps with arm movement and extension?
Which muscle attaches to the ribs and helps with arm movement and extension?
What is the part of the rib that articulates with the thoracic vertebrae?
What is the part of the rib that articulates with the thoracic vertebrae?
Signup and view all the answers
How many bones make up the rib cage?
How many bones make up the rib cage?
Signup and view all the answers
What is the function of the Intercostal muscles?
What is the function of the Intercostal muscles?
Signup and view all the answers
Study Notes
Ribs Anatomy
Overview
- Ribs are a set of 24 bones that form the rib cage, providing protection for the chest cavity and its organs
- The rib cage consists of the sternum, ribs, and thoracic vertebrae
Types of Ribs
-
True Ribs (1-7):
- Attach directly to the sternum via costal cartilages
- Form the anterior part of the rib cage
-
False Ribs (8-10):
- Attach to the 7th rib via costal cartilages
- Form the middle part of the rib cage
-
Floating Ribs (11-12):
- Do not attach to the sternum or any other ribs
- Form the posterior part of the rib cage
Rib Structure
- Each rib consists of:
- Head: articulates with the thoracic vertebrae
- Neck: connects the head to the body
- Body: the main part of the rib
- Costal cartilage: connects the rib to the sternum
Muscle Attachments
- Intercostal muscles: attach between the ribs and help with breathing
- Serratus anterior muscle: attaches to the ribs and helps with arm movement
- Latissimus dorsi muscle: attaches to the ribs and helps with arm movement and extension
Functions
- Protect the heart, lungs, and other organs in the chest cavity
- Provide attachment points for muscles involved in breathing and arm movement
- Help to expand and contract the chest cavity during breathing
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge of the ribs, including their structure, types, muscle attachments, and functions. Learn about the anatomy of the rib cage and its importance in protecting the chest cavity and its organs.
