This can be a wonderful experience to share with your client. In this exercise we customized the setting by adding up props and placing them under my client's sacrum. By adjusting his confort zone we are able to explore rotation and range on the shoulder girdle muscles with more ease and less tension in the lower back area. Breathing pattern should accompained scapular rotation movement and clavicle bone structural release. Repeat this sequence a few times, Make sure client's cervical spine is resting confortable and or add up a small rolled up towel to follow the natural curves of spine.