Try aerobic exercise to relieve the pain.
1. Put your head forward and upward, repeat twice, and then turn left, back, right and forward; Next time, circle in the opposite direction.
2. Sit up straight, turn your head to the left and extend your left hand to your right shoulder. Both sides take turns.
3. Sit up straight with your head and neck bent to the left and your left hand touching your right ear through the top of your head. Both sides take turns.
4. Sit up straight, bow your head and hold your chest, cross your arms on your chest, then hold your chest, rotate your arms as much as possible, bend your elbows, look at your left hand with your head to the left, and take turns on both sides.
5. Sit up straight. After putting your head in your hands, stretch your head backwards with your hands. 1~2 seconds later, relax.
6. Sit up, shoulder abduction, elbow flexion, left shoulder external rotation to the left hand upward, right shoulder internal rotation to the right hand downward and backward, while looking at the left hand with the head to the left, and taking turns on both sides.