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.
Future shock: Toy Story 4 will be pushed back a year and now won't hit screens until June 15, 2018, Disney-Pixar announced on Thursday. A hit franchise: The Toy Story movies have voices by Tom Hanks, Annie Potts and Tim Allen.