Sirasana trouble?

[roman]

hello there,
I have a problem and need some help. For the past few days, while doing sirsasana i get a weird pain in the back of my head. Doing a handstand or sarvangasana the same thing happens. Any ideas?
Thank you!

[shaina]

Sirsasana is an intermediate to advanced pose. Do not perform this pose without sufficient prior experience or unless you have the supervision of an experienced teacher. Also, it should not be attempted until one has practiced a good deal of the less demanding asanas such as forward and backward bends, twists, etc.