France and the United Kingdom agreed to support Poland and in August of 1939, German troops began to gather on the Polish border. By September 1st, Germany launched an invasion of Poland.
The brachial plexus is a network of nerves that originate in the neck region and branch off to form most of the other nerves that control movement and sensation in the upper limbs, including the shoulder, arm, forearm, and hand.
This is a brief tutorial on the lumbar plexus. Weâre going to look at the basic structure and the location of the lumbar plexus and a few ways to remember some of the nerves and the basic organization. The lumbar plexus is formed from the anterior rami of L1 to L4. It also receives some fibers from thoracic nerve, T12. There are six main nerves which come off the lumbar plexus and they can be remembered using the following mnemonic â so it's 'I twice get laid on Fridays'.