Spasticity is one component of the upper motor neurone syndrome. Unlike motor deficit and co-contraction, spasticity is responsive to treatment. Thus it receives more attention than the other features of the upper motor neuron syndrome. In order to treat correctly the patients, we need to know expectations of the patient and family. Detailed clinical evaluation including functional analysis is necessary to determine whether the objectives are reasonable. This evaluation is not always very easy because of complex clinical features. Simply aiming to reduce spasticity is not a final treatment goal. There must be a purpose behind it. It is actually very difficult to evaluate functional effect of spasticity treatments. Few studies show a real functional improvement. Yet patients are satisfied with the results and the goals are often achieved. One explanation is that functional scales usually used do not fit to the spasticity problem.