Originally Posted by stillHoping

Glad it helped the pain
Allmost all the peripheral innervations connects to the brain through the spinal cord.
The nerves that exits (motor) and enters (sensory) each segment of the spinal cord innervates a slice of the body, it is called dermatome, you can read about in Wiki -
https://en.wikipedia.org/wiki/Dermatome_(anatomy)
You can see in the image there that the nerve fibers that pass at L5 innervates the feet.