plexus

hi

i am a student of physiotherapy & i cant understand the lumbosacral plexus ..cld sumone plz explain it to me :)

The anterior divisions of the lumbar nerve, sacral nerve, and coccygeal nerves form the lumbosacral plexus, the first lumbar nerve being frequently joined by a branch from the twelfth thoracic. For descriptive purposes this plexus is usually divided into three parts:

* lumbar plexus
* sacral plexus
* pudendal plexus

Really this is what lectures and text books are for.

The limb plexuses are complex aren't they. Personally I found it really helpful to think of it as wiring and to map the wiring from the spinal cord, the primary divisions, the cauda equina the plexus and keep going till you find where each nerve ends up supplying. Like a three dimensional circuit board. so you have to map it out, thinking about it's relationships to each anatomical structure it passes by. When you work out the course of each nerve through the various divisions really understand what function it provides. For example how does the divisions relate to the the extensor muscles, the flexor muscles or which ones are supply the joints etc.

I don't know if this is very helpful but that is how I learnt it.

Plexuses is the characteristic form of nervous system in the coelenterates and persists with modifications in the flatworms. The Plexus project provides a full software stack for creating and executing software projects. Based on the Plexus container, the applications can utilise component-oriented programming to build modular.