While much is made of using Yin (softness) to overcome Yang (hardness) in Taiji literature, the converse is also true.

When the opponent’s defence is weakened, the Taiji practitioner can take the initiative to attack strongly (Yang) to overcome the opponent’s weakness (Yin).

Below is a short clip of Oxford Wudang student Chris taking part in a full-contact sanshou competition and demonstrating this concept…