Do sit-ups, dizziness, nausea. What's going on?

If you show dizziness and nausea when doing sit-ups, it may be caused by cervical spondylosis. Because the movement is too intense during the activity, the neck is in a curved state, which will produce pressure on the vertebral artery, causing the patient to show dizziness, nausea and other symptoms. The patient in peacetime exercise, especially intense exercise, will cause sympathetic nerve to show excitement, so secretion of a lot of adrenaline and other hormones, will cause sympathetic nerve excitation, causing patients to show sweating nausea or panic, some patients will also show pale. In addition, may also be caused by insufficient blood supply to the brain caused by exercise, it is recommended to rest in time, do not do intense activities.