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Categories » Expert Advice » Fitness » Misc. Fitness Questions » Lightheaded
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Lightheaded
Lightheaded
1/14/13 12:15 PM
So I started P90x two weeks ago and about half way thru the workouts I get lightheaded (sometimes sick to my stomach) but mostly just lightheaded - it always happens about the half way point in almost all the workouts (esp kenpo and yoga) Has anyone else had this program? Is this program just not for me? Should I go to power 90 or keep pushing?
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RE: Lightheaded
1/14/13 12:45 PM as a reply to Unreal.
A couple suggestions.
First is to be sure that you're drinking enough water before and during your workout. I also suggest something to replenish electrolytes during your workout, like results and recovery formula or E&E, if you're not using those already. Electrolyte loss is often the first suspected cause of lightheaded-ness.
Other than that, just keep pushing play. P90X is not supposed to be easy, but anyone can do it with the right mindset and desire. Just make sure you're listening to your body cues, as well. If you're well hydrated and still having this problem, just take it easy and pause the workout.
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RE: Lightheaded
1/14/13 4:25 PM as a reply to Unreal.
Hi,

When you work out hard, your blood rushes to your muscles. When this happens the blood also is going to be taken away from nonessential functions such as digestion. This is why you may feel nauseous. Furthermore, when you push hard enough, it will actually take away blood from your brain and when this happens you feel lightheaded.

Another side affect of high intensity training is the buildup of lactic acid and this also contributes to your feeling of nausea. There are several factors that relate to exercise and lactic acid buildup.

When working out, your body begins producing lactic acid whenever it breaks down carbohydrates for energy. The faster you break down glucose and glycogen the greater the formation of lactic acid. At rest and when working out at less than 1/2 of your maximum capacity, the body relies mainly on body fat for fuel. However, when you reach 50% of maximum capacity, the threshold intensity for most recreational exercise programs, the body enters into another fitness level and uses more carbohydrates to fuel exercise rather than relying soley on body fat. The more you use carbohydrates as fuel, the more lactic acid you produce. To offset this a little, you can take a break and allow your body the ability to transport oxygen to the working muscles and oxygen helps with the removal of the lactic acid.

Here are some more ways you can control lactic acid buildup.

1) As you continue your high intensity workouts you body will make cardiovascular adaptations that increase oxygen delivery to your muscles and tissues. As this happens you have less need to breakdown carbohydrate to lactic acid.

2) You can take supplements during and after your workout that help limit the buildup of lactic acid by restoring the lost carbohydrates you use during workouts. There are a few on the market. P90X Results and Recovery Formula is a great one. I use that now. I also put one scoop of the P90X Results and Recovery Drink in the water that I drink during my workouts as well. This also works to reduce the lactic acid buildup because it too provides a boost in the carbohydrates that I was losing while exercising. The P90X results and recovery drink also has a good amount of potassium also helps with lactic acid buildup.

I hope this answers your question.

By the way we are starting a new P90X BootCamp this next week, but you can stop by now and get your questions answered and for motivation and inspiration.

The location of the threat is:

http://www.teambeachbody.com/connect/message-boards/-/message_boards/message/246172757

Stop by check us out and Bring it!

Talk to you more on the thread

Coach Albert
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RE: Lightheaded
1/14/13 8:15 PM as a reply to Unreal.
Unreal:
So I started P90x two weeks ago and about half way thru the workouts I get lightheaded (sometimes sick to my stomach) but mostly just lightheaded - it always happens about the half way point in almost all the workouts (esp kenpo and yoga) Has anyone else had this program? Is this program just not for me? Should I go to power 90 or keep pushing?


According to "Which Comes First, Cardio or Weights?" by Alex Hutchinson, dizziness during a workout is probably due to your body digesting carbs. Quote: "...pre-workout carbohydrates come with problems of their own: some people experience an effect called 'rebound hypoglycemia' after eating carbohydrates in the hour before exercise, resulting in dizziness, weakness, and sometimes nausea after 15 or 20 minutes of exercise. This happens because simply carbohydrates trigger a rise in insulin to reduce levels of blood sugar. Exercise also reduces blood sugar, so if you combine the two back to back, your blood sugar levels drop too low and you get light-headed...one way to avoid rebound hypoglycemia is to abstain from carbohydrates for the hour before your workout. Or you can take the opposite approach: if you eat carbohydrates in the last five minutes before you start, your insulin levels don't have time to spike, thus avoiding the problem."

If this sounds like you, you might try out this advice.

Melissa
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