Rainbow,
Namaste.
There are disciplines for allowing the Kundalini to rise - but these truely require a Teacher - for most.
I do not know of specfics to "prevent" Kundalini from being aroused - other than not doing the prescribed exercise. :-}}
Kundalini, theoreticaly, may jump up at any time. Its effects, especially if it leaves its normal channel can be quite extreme - even nasty.
I have been communicating and working with somone who went thru an episode of what was likely unexpectedly disturbed Kundalini.
The person who has the experience may have huge heat flashes up and down the spine or parts. If the energy leaves this channel it may manifest anywhere as heat, or perceived as lots of colored energy, etc.
To calm Kundalini, I recommend Reiki simultaneously at the soles of the feet (hands-on) and Reiki at the sacrum (hands-off).
Do not Reiki the crown. Kundalini rises toward the crown when properly coaxed and one does not want to send energy down through the crown which would act as a "blockage".
Hope this helps.
reiki all around.
All Blessings,
Firekeeper