Astasis is a lack of motor coordination marked by an inability to stand, walk or even sit without assistance due to disruption of muscle coordination It can present with oculomotor abnormalities including vertical one and half syndrome, skew deviation, thalamic astasia and asterixis. The term astasia is interchangeable with astasis and is most commonly referred to as astasia in the literature describing it.
The term ‘astasia’ means inability to stand and ‘abasia’ refers to the inability to walk properly The word astasia, means unable to stand normally and abasia means the inability to walk with proper muscular coordination Patients of this disorder are, however, able to move their legs naturally while walking or lying down.
The meaning of astasia is muscular incoordination in standing.
