Days later, Mr. Armitage visited both leaders and carried statements of their positions back and forth between them.
This is done by moving the respective positions back and forth along the trajectory.
Buffeted by 15-mile-an-hour winds, the arm's position swayed back and forth a couple of inches during the scans.
Bend your knees and hold your arms in position, rocking back and forth to the beat.
Do multiple lunges by walking around the room in that position, going back and forth between legs.
He's coming off an uneven first entry into the fray earlier this month, when his rollout of a book on immigration was dominated by news coverage about his back-and-forth position on immigration reform.
In many species the RNA polymerase oscillates between two neighbouring positions on the DNA, with this back-and-forth motion which is powered by thermal energy being converted into forward movement of the enzyme along the DNA when a new NTP binds to the growing messenger RNA molecule.
But Mr. Romney's position has shifted back and forth.
Somehow, the Moxi Skate Girls can all hold this position while weaving back and forth on purpose.
Rocking Plank: This move is just as it sounds -- get into a traditional plank position, and rock back and forth on your toes.
