The purpose of this routine is to help you learn how to recognize and then release muscle tension. You do this by tightening and releasing your muscles one by one. Inhale to contract and exhale to relax.
You may start at your toes and work up to your face or start with your face and work your way down to your toes. Try it both ways and see which one is more relaxing for you.
Find a comfortable position in which all the parts of your body are supported and comfortable.
You may enjoy having your labour partner guide you through your relaxation with a calm and soothing voice. This will help you learn the routine and get you used to relaxing when you hear your labour partner's voice. This will be very reassuring when you are trying to relax during labour.