Sometimes that happens when you cast on. I find that letting go of the yarn will help it to wind itself back up a bit.
Once the cast-on is done, though, you shouldn't run into that problem.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry