If we think about how such a small joint is able to carry our body weight when walking then we can appreciate how important is to have the correct footstep. Overpronation (when arches of the foot drops inwards or downwards when walking) and oversupination (excessive weight placed on the outside of the foot while walking) not only will cause pain to your ankles but it will also result in very poor body alignment creating a myriad of problems all the way up, from the heels, Achiles tendons and calf muscles to the knees, hips, spine and even neck and shoulders. 

It is for this reason that the feet is a good starting point for analysing body alignment.