Diaphragm - Origin Points, Openings and Coverings

Content Introduction 0:00 Diaphragm Function 0:10 Content 0:55 Lumbar Origin: 1:16 Costal Origin: 3:15 Sternal Origin: 3:26 Openings of the Diaphragm 3:56 Sternocostal Triangle 4:56 Lumbocostal Triangle (Bochdalek’s Foramen) 5:16 Lumbar Openings 6:05 Coverings of the Diaphragm 6:18 ---------------------------------------------- 📸Follow my new instagram @Taimtalksmed ☕Support me at: ----------------------------------------------- Diaphragm Parts: - Central Tendinous Part - Muscular Part - Main Muscle of Inspiration Origin Points Lumbar Part - Right Crus crus dextrum - Left Crus crus sinistrum - Suspensory Muscle of Duodenum (Muscle of Treitz) - Lateral Arcuate Ligament ○ Quadratus Lumborum Muscle - Median Arcuate Ligament ○ Aorta - Medial Arcuate Ligament ○ Psoas Major Muscle Costal Part Sternal Part - Xiphoid Porcess of Sternum Openings of the Diaphragm - Caval Opening Foramen venae cavae ○ Inferior Vena Cava ○ Right Phrenic Nerve - Oesophageal Hiatus Hiatus oesophageus ○ Esophagus ○ N. Vagus - Aortic Hiatus Hiatus aorticus ○ Aorta ○ Thoracic Duct - Sternocostal Triangle Trigonum sternocostale ○ Internal Thoracic Vein ○ Internal Thoracic Artery - Lumbocostal Triangle Trigonum lumbocostale ○ ‘’Bochdalek’s foramen’’ - Lumbar Part Pars lumborum ○ Sympathetic Trunk ○ Splanchnic Trunk ○ Azygos Vein Coverings of the Diaphragm - Endothoracic Fascia Fascia endothoracica - Diaphragmatic part of Parietal Pleua Endoabdominal Fascia - Fascia endoabdominalis - Peritoneum