Jumped case is not an English word or phrase. Therefore, there are no antonyms for it. However, we can talk about antonyms for the word "jumped." One antonym for "jumped" could be "stayed put," implying that one did not move or jump. Another antonym could be "descended," suggesting that one went down instead of up. "Landed" could also be an antonym if we're referring to jumping in terms of leaping and then touching back down on the ground. In summary, but without a clear context for this phrase, we cannot provide antonyms for "jumped case.