Exercising is good. However, if you are dizzy or lightheaded during your workout, you may want to find out the reason why that happens. In fact, after first 5 to 10 minutes of cardio session, you should feel invigorated and not feeling dizzy or light headed. Here are some of the possible reasons:
- You are exercising on empty stomach. Some people exercise early in the morning before they go to work. After the last meal which was 8 to 10 hours ago a night before, the body is low on energy. So, if this happens to you, you should eat something light like fruit or oatmeal 30 to 60 minutes before exercising.
- You are not drinking enough water. If you are exercising for long hours and you do not drink enough, as you sweat, you lose water. So, continue to sip enough water every now and then throughout the exercise.
- My friend had once felt dizzy while doing some yoga poses where her head is lower than the heart. One example was downward facing dog. People suffer from low blood pressure normally have this problem. What the instructor advised her was to take her time and change the posture slowly. As for people doing weight training, perform standing exercise and then all the floor exercises later.
- As for myself, I sometimes feel dizzy after I performed leg workouts such as squat and deadlifts. What happen is that the blood has rushed to my legs to fuel the leg muscles. Instead of sitting down or standing still, I walk around to help the blood recirculate back to normal quicker.
- You are working out extraordinary too hard too soon. If you have not been exercise for some time and now trying to do vigorous exercise for hours, your body may not be able to take it. Take things easy. Overtraining and lack of warm up can also cause dizziness.
- Last but not least, sometimes, when you stop running or cycling suddenly, you get dizzy or lightheaded. Some people even fainted. When we work out, our hearts pump harder and faster. This pumping will increase blood flow to the actively exercising muscles. Blood vessels in the skin expand to dissipate heat. When exercise ends suddenly, the heart slows down its pumping activity, decreasing blood circulation even though blood vessels remain dilated. As a result, blood pressure can fall and a person can feel dizzy or even faint. To help prevent feeling dizzy after exercise, cooling down is important. Slowing down in this way can help by maintaining heart rate and blood circulation. If you are running, jogging first before dropping down to a brisk walking pace could do the trick. Do not stop immediately.
Hope that the above tips will help. If none of the above is helpful in your problem, you should check with your doctor for better advice.