Actually, with this particular exercise, the key is about adjusting to find better, more efficient options for our physiology. BUT…you certainly could do what you suggest as well, and that would be awesome! These lessons are meant to become a lived part of our experience and intertwine organically, so finding a bracing pattern, and then following your impulse to see what it may want to do, or what emotions that bracing may contain, is also a wonderful idea.