Pamestique 

Generally its your postioning on the bike and yes a fitting will help. Take a look at how you use your arms... is there a good bend at the elbow or are your arms straight out; no bend. [you want a bend]. If straight your seat might be too low and your stem too flat.

Try this next time out... while riding your hoods, bend forward enough so there is a slight bend in your elbow and your arms are almost parelle (sp?) to the top tube. See if that works and eases the pain. If you can't bend forward far enough to get a bend, then keep working on your flexibility and get that seat up a bit.

See this article. Note the photo shows the rider in the drops... if your hands are on the hoods, your elbows would have the correct bend:

http://www.realbuzz.com/articles/the...n-a-road-bike/

This is what is important to note:

Cycle rider's reach
This is the distance between the shoulders and the top break levers when the cycle rider is sitting in the more upright position. The correctly set reach should allow the rider to sit an angle of around 45 degrees to the top tube of the cycle. Reach can be adjusted by adjusting the length of the handlebar stem. A correct setting allows reduced muscular strain in the neck and muscles, and also means that breathing is unrestricted leading to improved performance.

Bicycle hand positions
The bike handlebars should be positioned slightly below the level of the top of the saddle. Bear in mind that if the handlebars are too low it can cause pain in the lower back and the shoulders. A significant bend in the elbow, with a near horizontal forearm, is good and helps reduce shock from the road.

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