fact that the study group comprised only outpatients.In conclusion, a semi-supervised 6-week programmeof Pilates exercises increases the semispinalis capitismuscle thickness. Secondly, all 3 exercises (Pilates,yoga and isometric neck strengthening) exert favourableeffects on pain neck ROM, disability, depressionand QoL in patients with chronic neck pain. Last, butnot least, US imaging may be useful for the convenientassessment and follow-up of various neck musclesunder physical/exercise treatment.