Black and white photo of Czechoslovak distance runner and gold medalist Emil Zátopek of Czechoslovakia during a 1952 race with a vertical line drawn through him to show his running posture.
Sequence of 16 black and white photos of American pole vaulter John Pennel, illustrating his form. Title on photo series is "The championship pole vaulting form of John Pennel is studied in this motion-analysis by John T. Powell, University of Illinois." Accompanying text describes each of the pictures in the sequence.