Wu style Taijiquan is famous for its small frame - xiaojia - postures being relatively high and compact. There are some lines which focus on the small frame solely, but originally medium frame - zhongjia was practiced first, and some people practiced large frame - dajia too. We normally start from medium frame, and small frame is the advanced practice.
The long traditional form of Wu style has roughly the same structure (general order of movements) as old Chen style and Yang style. This form was mostly based on old Yang style, with some influence directly from Chen style, and some modifications being result of Wu Yuxiang's personal experience and theoretical studies.
Our style gives a lot of attention to nei gong - internal practice. After learning the external movements properly, we focus on the subtle demands of shenfa - body method. Then focus shift more toward internal work - the proper external movement leading the internal movement. At high level it is the mind which is leading body through this internal movement feeling.
In our curriculum we have mainly:
Neigong - internal excercises,
Short form created by Master Zhai Weichuan,
Traditional long form
Short form with fajin movements created by Master Zhai Weichuan
Tui shou excercises
Attack and defense excercises