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.
Pixar had two releases in a single year twice: Inside Out and The Good Dinosaur in 2015 and Cars 3 and Coco in 2017. Their upcoming slate of films include Incredibles 2 (2018), Toy Story 4 (2019), two untitled films set to be released in 2020, and another untitled film set to be released in 2021.