The neck rattles.

Action 1: Bend forward and stretch backward.

Slowly bend the neck forward to the maximum extent, hold for 5 seconds, and return to the original position; The neck slowly leans back, reaching the maximum amplitude, holding for 5 seconds, and returning to the original position; Repeat 10 times.

Action 2: Turn your neck and look at your heels.

Turn your head and neck to the left, look back and down, and stretch your neck for 5 seconds. Repeat this action on the other side after reset, and repeat 10 times.

Action 3: The chicken takes off.

Keep your feet shoulder-width apart, put your hands behind your back, stretch back hard, and lean your head and neck back hard for 5 seconds. This action is repeated 10 times.

Action 4: Shake your shoulders.

Hands droop naturally, shoulders turn back, back up, front up to neutral position in turn, do it as slowly as possible 10 times, and do it again in the opposite direction 10 times.