RapidBreath
Cathlete
Vee is on the right track. Don't forget, that what most of us think of as yoga is really just the preparation for a good meditation session. Its not without purpose and really is helpful. From what I understand, the idea behind the exercises is that unless you have released the unwanted energy/excess energy that it is much harder to have a successful meditative practice.
I wouldn't worry about being afraid of kundalini energy.
I wouldn't worry about being afraid of kundalini energy.