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The genius of the 3 Musketeers Assassinated 5 Rats, 5 Mice, and 2 Unicorns mnemonic is how it physically represents its subject matter. Ready to test your knowledge on the sacral plexus? And then over here, we've got two little nerves coming off the femoral nerve. The fifth one (L5) contributes to what is known as the Lumbosacral plexus after joining with nerves from the sacral plexus. Risk factors for posttraumatic stress disorder: An umbrella review of 1k followers This nerve contributes to the lumbar plexus as you can see here. Common fibular portion: supplies the skin of the lateral leg and the dorsum of the foot. To listen and support the artist: http://freemusicarchive.org/music/Komiku/Music for transitions from Late Night Trance by D SMILEZ through a CC0 1.0 Universal (CC0 1.0) Public Domain Dedication. The nerve has an anteroposterior and superoinferiorrange of cutaneous and fascial supply between the anterior and posterior axillary lines from the buttock to the middle of the calf muscles. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. The trunk then descends into the pelvis to meet the roots of sacral spinal nerves S1 - S4, as they emerge from the spinal cord. Next in the mnemonic are '2 from 2'. The lumbar plexus is a complex neural network formed by the lower thoracic and lumbar ventral nerve roots. Handmnemonics inclassical Chinese medicine:text, earliest images, andarts ofmemory. Medina-De la Garza CE, Garca-Hernndez M, de Los ngeles Castro-Corona M. Visual mnemonics for serum protein electrophoresis. The inferior gluteal nerve receives contributions from the posterior divisions of the anterior rami of theL5, S1, and S2spinal nerves. Motor Functions: Innervates gluteus maximus. The supply motor and sensory innervation to the lower limb and pelvic girdle [1]. Anesthesia & Analgesia133(2):558-559, August 2021. These cookies will be stored in your browser only with your consent. Similar to BP, prefixed and postfixed LP can be seen. The posterior compartment supplies the Obturator externus, Adductor magnus and gives a terminal branch that follows the femoral artery through the hiatus. Tumours and other local invasions can cause the plexopathy due to the compression of the plexus. A useful memory aid for the major branches of the sacral plexus is Some Irish Sailor Pesters Polly. I would honestly say that Kenhub cut my study time in half. We've got the iliohypogastric and the ilioinguinal nerve coming from the 1st lumbar nerve. It gives both sensory and motor supply to the muscles of the abdomen, that is the External, Internal Oblique and transversus abdominis. (Tip an easy way to remember the functions of the pudendal nerve is S2, S3, S4 keeps poo off the floor! If you can remember, the Innominate hip bone consists of three parts- ilium, ischium and pubis. Please Note: You can also scroll through stacks with your mouse wheel or the keyboard arrow keys. It gains access to the gluteal region by coursing over the superior border of piriformis muscle through the greater sciatic foramen. And because this strange image of him playing the flute is happening beside the fireplace, its easy to think back to where this his happening and reconstruct the target information. The Brachial plexus mnemonics is like a unique cheat-code to learning the nerves of the upper limb. This nerve leaves the pelvis via the greater sciatic foramen, then re-enters via the lesser sciatic foramen. Read more. You can see the obturator nerve here and it originates from L2, L3 and L4. These branches emerge either lateral, anterior or medial to the muscle: In addition, the lumbar plexus gives off several small motor muscular branches from its roots that innervate the psoas major and quadratus lumborum.