During the time when numerous anti-oral motor articles were being published and when Evidence-Based Practice (EBP) came into vogue, a comprehensive literature review of language intervention with children was done by Cirrin and Gillam in 2008. Although the article is almost 12 years old, I bet you’ve never heard of it--or the results.
It’s vitally important to laugh! It’s good for our health and happiness. Let’s face it, we all love to laugh! Sometimes funny things just happen in therapy. But, you might consider (if you haven’t already) a more direct approach. Use “jokes!” Use them as a weekly ritual, or as an all-out activity in your therapy.