A link about muscular tone and muscles are hyper spasicity.     http://www.wrongdiagnosis.com/s/spasticity/intro.htm  http://www.wrongdiagnosis.com/s/spasticity/intro.htm#whatis   Helpful video: http://www.wrongdiagnosis.com/s/spasticity/video.htm   The hyper contracions of the muscle can be very painful!!!      Did some more reading and found that vitamen D and vitamen B deficancy can also cause numbness and muscle spasiity.   http://www.medhelp.org/posts/Neurology/Re-Spastic-Paraparesis/show/908688