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2023 And as you can see, this is the femoral nerve here and it also originates from the same roots. This nerve here is the genitofemoral nerve and it comes from the anterior rami of L1 and L2. Wolters Kluwer Health just to point a few things out in this diagram which you might have noticed, up here, we've got the subcostal nerve, which is a branch from the last thoracic nerve, so the 12th thoracic nerve. It is crucial to identify what factors may be associated with increased or decreased risk for PTSD. What we're looking at is an anterior view with the muscles of the anterior abdominal wall dissected away. I commend you for seeking the best memory techniques the world has to offer. Read more. , Ian Anderson can serve again, but this time with Gwen Stefani. Note, that some texts do not include the lumbosacral trunk as part of the lumbar plexus. The nerve exits the pelvic cavity by way of the greater sciatic foramen. 2. This category only includes cookies that ensures basic functionalities and security features of the website. The lumbosacral plexus is formed by the anterior rami (i.e., branches) of spinal nerves L4 to L5 and S1 to S4. Also Read This Post On How to Study Anatomy Excellently in Med School. Because these particular bones were involved in sacrifices. (Note:In this articlewe shall includeonly brief notes on the function of these nerves for more detailed information click on the title to visit their respective pages). It gives both sensory and motor supply to the muscles of the abdomen, that is the External, Internal Oblique and transversus abdominis. It supplies the Rectus femoris, Vastus medialis, intermedius, lateralis and Sartorius. [caption id="attachment_4752" align="aligncenter" width="456"], [caption id="attachment_7877" align="alignright" width="284"], [caption id="attachment_9960" align="aligncenter" width="288"], [caption id="attachment_9961" align="aligncenter" width="326"], [caption id="attachment_9962" align="aligncenter" width="320"], [caption id="attachment_9963" align="aligncenter" width="302"], [caption id="attachment_9964" align="aligncenter" width="311"]. Hanson ME. And we've got the obturator nerve coming from the same roots, so L2, L3 and L4. Then youre in the right spot! Inferior gluteal nerve However, it has two divisions- the anterior and posterior which later goes on their separate course to give branches to different muscles in the medial compartment.