In other words, always concentrate on keeping the elbows down, imagine the knees are always directed upwards, and combine them with the torso methods of loosening the shoulders, protecting the upper abdomen, etc. This fully stretched bow then uses the waist as the handle of the bow, the knees and the elbows as the tips of the bow. This requirement must be fully understood in the first stage of practice. If the energy can be stored, it can also be released. One must release the energy in a straight line.
Internal posture indicates the internal movement.
First it requires the cultivation of qi in order to have the energy change internally. This also illustrates the adjustment needed between the mind and qi, which is the key towards the magnificent postures of Taijiquan. Sink the qi downwards, and raise the spirit upwards. The qi follows the movements of the muscles and sink downwards while the spirit follows the skeletal system and rises upwards. When practicing Taijiquan, the feeling of separation between the muscles and the bones must be felt.