Normal movements are those which are usual, regular, and common. Therefore, antonyms for abnormal movements could include regular movements, normal movements, natural movements, predictable movements, ordinary movements, and typical movements. Aberrant movements may also be described as erratic, wayward, irregular, or erratic in nature. Conversely, antonyms for abnormal movements could include consistent movements, consistent actions, regular actions, and normal actions. The opposite of abnormal movements is not necessarily inactivity, motionlessness, immobility or lack of movement, but rather the opposite of the unusual or unexpected movements.