1. Before exercising, please make sure that your stiff neck symptoms have been relieved, or you have consulted a doctor or physical therapist.
2. Avoid strenuous exercise, especially exercise that risks overstretching or damaging neck and shoulder muscles, such as weight training or strenuous aerobic exercise.
3. During the exercise, keep proper exercise time and intensity to avoid excessive fatigue.
4. After exercise, proper stretching and relaxation can help to relieve muscle tension and prevent the recurrence of stiff neck.
In short, you can exercise moderately in the gym after stiff neck, but you should adjust the intensity and mode of exercise according to your personal situation and professional advice to avoid aggravating symptoms. At the same time, if the symptoms are serious, it is best to carry out appropriate rehabilitation training and treatment under the guidance of a doctor.