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.
Because of Jurassic World (2015)'s highly successful release, Inside Out is the first Pixar movie to debut at number two at the North American box office during its opening weekend. However, it was nonetheless Pixar's second largest opening weekend after Toy Story 3 (2010).