Ugh, isn't the squirmy phase the worst??
Here's some info with some tips that might help: http://www.kellymom.com/babyconcerns/distractible-baby.html. Unfortunately, you may just have to tough it out a while until this stage passes. Good luck!
LOL, acrobatic breastfeeding!
Some moms have success using nursing necklaces. Brightly colored baby safe necklaces for baby to play with while breastfeeding.
Some moms will sing or play with the baby to keep her attention.
Some moms have success taking the baby off anytime she gets acrobatic and only allowing the baby to stay on the breast when more calm.
Good luck, I'm sure you'll get lots more ideas.
Kathy Kuhn IBCLC ivillage lactation consultant Grammy to Brennan, Elias, Elianna, Tahlia, Makenna, Maura, Silas, and Charlotte