To test flexor digitorum superficialis, one finger is flexed at the proximal interphalangeal joint against resistance, while the remaining three fingers are held fully extended (to inactivate flexor digitorum profundus).
Because we are too, obviously. Today Pixar Animation Studios announced updated release dates for each movie, so here they are so you can mark your calendars accordingly: The Incredibles 2 will come out June 15, 2018 and Toy Story 4 will come out June 21, 2019. Toy Story 4.
Brad Bird, who directed and wrote the original 2004 film, is now writing The Incredibles 2. Bird had previously been hesitant to continue the story of Mr. Incredible and his superhero family. According to Slashfilm, he said at 2007 WonderCon, Pixar does not look at sequels as a financial plan.