Posture height characteristic of training in tai chi

When a person performs tai chi chuan forms, most postures should meet the following:

1. the entire body moves in an integrated, coordinated way;
2. the whole body keeps in a stable, smooth, and upright way; no obvious ups and downs pusposely; Keep the balance between top and down;
3. the whole body may have slightly ups and downs. The changes are so small that it is not easy to notice for other viewers;
4. try to send the DanTian Qi (from the core of the body) down;
5. relax the waist; sink Qi;
6. the whole body weight sinks to the bottom of the both feet through the bones of supporting legs;

To have a look of a few tai chi pictures, visit my blog at:

http://tai-chi-for-health.blogspot.com/

http://tai-chi-sword.blogspot.com/

My 24 simplified tai chi form book is just listed in Amazon.com under the author name: Cheng Zhao
http://www.amazon.com/gp/product/0976118319/ref=pd_rvi_gw_1/002-5689733-0606456?%5Fencoding=UTF8&v=glance&n=283155

Many people think Yang style tai ji is always slow. You may click the following link to view the fast yang style tai chi long forms in about 4 minutes. This long form in a normal pace takes about 30 minutes. Click the following address to view Master Li Guang Qi's Tai Chi Fast forms:
http://video.google.com/videoplay?docid=494009639744200269