Swallows flying against the wall is a kind of yoga action that simulates the flying posture of swallows, which is called Little Yin Fei for short.

Yin Fei Jr. can exercise people's back muscles, especially back muscles. In the process of exercise, we should pay attention to the standardization of movements.

Action essentials: lying on the ground, knees together, head and shoulders on the bed surface, hips raised, the whole person will form an arch bridge, and slowly put it down after 5 seconds.