Actually Crickets chitin aside from the head is much weaker than that of the Superworms which is why Superworms are so bad if fed too many. They have more than enough times been the cause of an impaction to be considered a serious impaction risk in frogs. Even soft bodied animals can cause an impaction. Mice being a main culpret. Since the tissue of mammals is much denser than that of insects it takes much longer and a lot more energy to digest. Which causes frogs to become constipated. While not fully impacted by the rodent it does cause issues like a Prolapse. Caution should always be taken when feeding your frogs. Especially with uncommon food item.