Lecture On Understanding the 10th, 11th, and 12th Ribs: Anatomy and Differences | MBBS |TSMC

Описание: This video provides a detailed overview of the atypical ribs, specifically focusing on the 10th, 11th, and 12th ribs, and highlights how they differ from typical ribs [00:00]. We explore their unique characteristics, including variations in size, articular surfaces, and other features.

Learn about the specific features of the 10th rib, noting it is shorter and has only one articular surface at the posterior end [01:35]. The 11th rib is also discussed, being shorter, having one articular surface, and notably lacking a neck and tubercle, with a pointed anterior end [02:53]. The video then describes the 12th rib, highlighting its similarity to the 11th but the absence of a costal groove [05:09]. The 11th and 12th ribs are identified as floating ribs because their anterior ends do not attach to the sternum [29:47].

The video details the various muscle and ligament attachments on the anterior and posterior surfaces of the 12th rib [08:05]. Discover the attachments on the anterior surface, including the quadratus lumborum, thoracolumbar fascia, intercostal muscles, and diaphragm [08:35]. The posterior surface attachments for the lumbocostal and costotransverse ligaments, as well as muscles like the serratus posterior inferior and latissimus dorsi, are also explained [13:17].

Furthermore, the video touches on the clinical significance of rib anatomy [17:53]. Learn about procedures like pleural tapping, emphasizing the importance of needle insertion through the upper border of the lower rib to avoid the neurovascular bundle [18:50]. Common clinical conditions like rib fractures, often occurring at the angle of the rib, and flail chest, involving multiple rib fractures and paradoxical respiratory movements, are also discussed [21:46].

Finally, the video describes the structure and attachments of the costal cartilages [25:34], which connect the ribs to the sternum. Understand how the first seven costal cartilages attach directly to the sternum, while the 8th, 9th, and 10th join the 7th [25:54]. The muscle attachments on the costal cartilages are also detailed [27:48].

This video is an excellent resource for students of anatomy, healthcare professionals, and anyone interested in learning more about the unique anatomy of the atypical ribs and costal cartilages and their clinical implications.


TRIPURA SANTINIKETAN MEDICAL COLLEGE Real Class room Demonstration/Lecture On: (ANATOMY) A TYPICAL RIBS (10TH, 11TH, 12TH) RIBS
BY- DR. ANUSHA DAS
(MBBS Batch: 2024- 2025)
Conducted on:- 22-02-25