It is not uncommon to see 2 to 4 inch worms in diarrhea or vomit. (dog-health-guide.org)
For inch worms, stand with your feet together and your hands by your sides. (fitnessandpower.com)
We recognized the signs that this dog was reacting to the 6 to 12 inch worms living in his heart and that any more activity might be all he needed to die from them. (atlantahumane.org)