To avoid splitting the client's nails while shaping, how should the filing be done?

Filing the nails from the outer edge to the center is the best practice when shaping nails, as it helps to maintain the integrity of the nail structure and minimize the risk of splitting. When you file this way, you start at the stronger, thicker part of the nail, which is located at the outer edge, and work your way toward the center. This method allows for controlled shaping, reducing the chances of creating weak points in the nail that could lead to splitting.

Using a filing technique that involves a back-and-forth motion can create friction and heat, which may lead to weakening the nail or causing it to split. Similarly, filing with a single stroke across the nail can also lead to uneven edges and potential damage, as it does not allow for the gradual shaping that is crucial for maintaining nail health. The focus on starting from the outer edges ensures that the nails are shaped effectively without compromising their strength.