2 teen boys run / slam into each other holding exercise balls at gym, smaller boy goes flying and hits wood floor. Knocks the wind out of him completely. Bounces off.
Teen boy jumps / slides across row of gray exercise balls in gym, hits the wall head first.
Teen boy tries to lift teen girl over his head while their arms are hooked, they lose their balance and fall into a padded table. High school gym.
Practical jokes; teen boy runs on a treadmill in a gym. His teen brother sneaks up behind him, yells his name, he falls down hard on treadmill, scared, and slides off.
Young boy falls on treadmill. His pants come off and then he hits his head and slides off. Another young boy stands nearby.
Collie dog walks on treadmill with only its 2 front feet. Woman asks if he's cheating, then dog walks on all four paws. Exercise.
A teen boy and a teen girl run on a treadmill in a gym. The teen boy falls on the treadmill and slides off the back of the treadmill, hitting his face.
A dog bites/ barks at another dog while it walks on a treadmill. AFV at 3:25.
Man exercising in gym on machine gets hit in the face with a giant work out ball.
Volleyball player gets hit very hard in the face with ball. Falls to the floor with recovery.
Man rides an elliptical machine on the backyard porch very quickly, the machine breaks & he falls down.
Weight lifter: Too much to lift for bonehead without a spotter. Date on screen 1992
Cheerleader falls during cartwheels