Active Isolated Stretching is great for dealing with this condition, combined with strengthening the weak areas.
You may want to go on the website: www.stretchingusa.com
for practitioner locations.
Also, combining bodywork with chiropractic treatment can be helpful, depending on the severity of the curves.
Structural integration techniques are extremely helpful, as they realign the tissues & can dramatically affect the pulling effect of spastic areas while releasing torc in the body posture too.