Are you doing the plank correctly?

It's that time of the year when many people are taking up new exercise regimes, and one exercise that seems to be very popular for improving core stability is an exercise known as the plank. This exercise can be very good for core stability, however only if you are performing it correctly, otherwise you could potentially be doing more harm than good. In this particular video courtesy of Functional Patterns Naudi Aguilar demonstrates how to correctly perform the plank and how to build up to ensure your body is supported using the correct muscle groups.