People practice somersaults on trampolines as part of diving training.
Titles read: "DRY LAND DIVING" (Dublin issue).
Location of events unknown - probably United States of America.
Various shots of people bouncing up and down on an outdoor trampoline and turning somersaults as part of diving practice. A man bounces from the trampoline, turns a somersault and lands in an open-air swimming pool. A girl and then a large man do the same.
Note: the first bouncing man is named as Sam Howard.