Stand naturally, half-clench your fist, bend both elbows, tilt your head and neck back as far as possible while expanding your chest, and hold it for a moment. Repeat 5 times. This action can be done 4-5 sets per day, but only functional exercise movements can not play a complete cure, but only to relieve the shoulder and back fatigue caused by prolonged sitting, a complete cure requires the use of Feng’s spinal fixed-point rotation reset method to correct the small joint disorders.