Joey Justen, 11, of Point Place, reacts to falling after a jump at Sky Zone.  (THE BLADE/AMY E. VOIGT)  Buy Image

Ava Justen, 11, of Point Place takes a high jump while spending an afternoon at the Sky Zone Trampoline Park in Holland. Visitors to Sky Zone, a worldwide chain of indoor family entertainment centers, can bounce from one trampoline to another, jump into pits filled with foam blocks, and play a trampoline-based version of dodgeball.  (THE BLADE/AMY E. VOIGT)  Buy Image