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
-------------------------------
💎Channel membership: / @taimtalksmed
📷 Follow my IG: / taimtalksmed
💝 Donation link: www.buymeacoffee.com/taimtalk...
-------------------------------
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