If it is neck and shoulder discomfort, it may be that the movements are not standard or the warm-up is not enough before playing. If the symptoms are heavy head, drowsiness, weakness, laziness and drift, professional badminton and volleyball players in the world will not have the above-mentioned situations, so the analysis should be that the main reason is not caused by playing ball, so it is recommended to see a doctor as soon as possible and do a comprehensive examination.