Before and after each dry needling session patients will be evaluated by their usual physiotherapist, using the upper limb block of the Fugl-Meyer scale that assesses motor skills and sensitivity of the affected arm, evaluation of pain through NRS10 and assessment of spasticity of muscles to be treated by MMAS. Also, at the beginning, in the 4th session and at the end of the study, the Euro-QoL 5D-5L quality of life survey will be administered, with a license for use. In adition BSS and ULP will be evaluated at the begining and at the end of the study. In each dry needling session, the caliber of the needle used, the number of fast-in and fast-out of the needle and the number of the spasm reactions caused for the purpose of establishing the dose pattern shall be recorded for each treated muscle.