You can walk at home or get out to walk with devices (external ones) on your legs as long as you are allowed by your doctor and physiotherapist. It is advisable to walk as long as it is not too extreme. At the same time, you can also do some daily work that you are not required to stand up too much. For internal device (Precice nail), patients are prohibited to walk during the lengthening phase except meeting some basic needs (i.e, going to the toilet with a walker)