test

This 1950s clip - the 3rd of 4 - follows the police…

This clip from the 1970s shows a day at an American blood bank. …

Image of an arm with allergy tests and a clock. Doctor writing on arm…

Footage of a kid climbing across monkey bars. Shots of a large group of…

Footage of students jumping and climbing over a wall to test their…

Three girls shown running in place and three boys shown jogging in a…

Students shown doing jumping jacks, running in place and doing arm…

Shots of students laying on the ground and doing abdominal exercises.…

Shots of students performing arm circles and jumping jacks to warm up.…

Footage of students moving from side to side and doing jumping jacks…

Footage of students jogging and then dropping to do push ups and…

A psychologist runs tests on a soldier that studies his sense of touch…