There are three things to be said in response to this concern. First, even if it is sometimes true that sensing and adjusting is done automatically or unconsciously, it is not always the case. When, after a long bout of reading, I straighten my frame and enjoy a delicious sensation of stretching, this may be very consciously appreciated and adjusted so as to work out subtle areas of tension that have built up. The reciprocal relation of doing and undergoing is quite conscious: ‘the action and its consequence’ are ‘joined in perception’ . .