Jump jacks begin now. Current step: 0, following the sequence: 
Starting jump jacks at step zero, with the order of steps as follows: 
Initiate jump jacks. Step count is at 0, proceeding in this step order: 
Commence jump jacks. The step number stands at 0, with these steps in order: 
Launch into jump jacks. We’re on step 0, tracking the following step sequence: 
