Your brain sends a Sensory neuron to the grey horns of the spinal cord...
The sensory neuron is interpreted by the "integration center" of the spinal cord.
The spinal cord then sends a motor neuron to the foot.
*I hate when people answer questions they know nothing about!
Hope this helps!
lawl I was doing that when I read the question... weird...
Through your Spine, and nerves...
through your back bone, all messages go through that.