Spasticity is characterized by increased stiffness and slowness in limb movement, the development of certain postures, an association with weakness of voluntary muscle power, and with involuntary and sometimes painful spasms of limbs. Painful spasms affect about 15% of people with MS overall. A physiotherapist can help to reduce spasticity and avoid the development of contractures with techniques such as passive stretching. There is evidence, albeit limited, of the clinical effectiveness of THC and CBD extracts, baclofen,Baclofen oral. US National Library of Medicine (Medline) (2003-04-01). Retrieved on 2007-10-17. dantrolene,Dantrolene oral. US National Library of Medicine (Medline) (2003-04-01). Retrieved on 2007-10-17. diazepam,Diazepam. US National Library of Medicine (Medline) (2005-07-01). Retrieved on 2007-10-17. and tizanidine.Tizanidine. US National Library of Medicine (Medline) (2005-07-01). Retrieved on 2007-10-17. In the most complicated cases intrathecal injections of baclofen can be used. There are also palliative measures like castings, splints or customized seating's.
