Tai Chi Chen 1 explained
The following move requires to have very strong knees. Please make sure you warmed up very well, as you might get injured.
We move the left leg behind the right leg, lowering our posture to the ground. we block with the left hand from outside to inside.
Posture: chicken stance (Xie bu)
We advance with the left leg while holding the weight on the back leg, and we block from inside to outside.
Posture: Xu bu
We push with the right palm, and we move the weight on the front leg.
Posture: Gong bu