The phrase "a constant movement" is correct and usable in written English.
It can be used to describe an ongoing or unchanging state of motion or activity.
Example: "The dancers created a mesmerizing performance with a constant movement that captivated the audience."
Alternatives: "an unceasing motion" or "a continuous flow".
Instead, the collision of photograph and paragraph requires a constant movement between broad themes and searing details, between sentiment and cold fact.
In the London Review of Books or the New York Review of Books, people are writing as critics, but they are also successful novelists, and there is a constant movement between the two camps.
More broadly, intelligence officials say there is a constant movement of international terrorists across an area that includes Mindanao, islands in the Sulu Sea, the Malaysian state of Sabah and northern Indonesia.
Subsequently, the sieve was manually moved up and down for a three minute period at a rate of 33 movements per minute, in order to make it a constant movement.
On either side of the church, there were groups of about 10 monks clustered around a lectern chanting, in a constant movement of call and response, from one side of the church to the other.
Three hundred and sixty-five days a year, there is a constant movement of coffins in and out of the mosques, some accompanied by vast motorcade corteges, others by a few elderly men barely able to carry the casket through the mosque entrance.
Most of us structure our lives in such a way that constant movement, attention to a task (usually multiple tasks) and productivity are required at every twist and turn of the day.
With Magician, we tried to show the power of Welles's distinctive charm and provocative personality on screen and off, his life as a star, political figure, a fairly good magician, an aficionado of bullfighting, a lover of food, wine, the good life, and of many remarkable women, a man with a life of constant movement and exploration.
Neutrino, a nearly undetectable particle with a capacity for constant movement, came immediately to mind.
While those lucky enough to be directly in front of the stage maintained a core of constant movement, the hillsides, too, danced and sang along, though at a decidedly more sedate pace.
There is only a serene and relatively constant movement and a barely perceptible darkening — the "sunset" of the title.
