A man in orange shorts exercises by jumping on a stack of workout mats.  The man in the orange shorts works out on leg extensions on a leg extension machine.  Two men work out on a rowing machine The man in the orange shorts works out on a different rowing machine.  A close up of a man wearing a blue tank top works out on a rowing machine.  Different scenes of a group of people running on treadmill machines.  Different men working out by jumping on the stack of floor mats.