The phrase "a simple movement" is correct and usable in written English.
It can be used to describe an action that is straightforward or uncomplicated, often in contexts related to physical activity or gestures.
Example: "The dancer executed a simple movement that captivated the audience."
Alternatives: "an easy motion" or "a basic action."
They must fit simply and must be derived from each other by a simple movement.
Tinder owes a lot of its remarkable success to a simple movement of the hand.
"I'm terrified that in a simple movement my body will give in and I won't be able to do it.
"Step step right," the man, Chase Brock, said, leading the group through a simple movement, then repeating it in the other direction.
Nadine Meisner, Independent, 2002 "Lin's dance-language feeds off his artists' tremendous physical control: you watch a simple movement journey through the dancer's body and see a fascinating play of muscle and pose".
Indeed, the approach of this book -- in which a first-person narrator examines, in excruciatingly minute detail, every facet of a simple movement or action -- is repeated, repeatedly, in "A Book of Memories".
I made a very simple movement, turned back, heard a click in my knee.
Young people feel confused about the future, and this is reflected by the floor; even a very simple movement is different for the dancers, and requires a lot of energy.
We also used a very simple movement strategy, with the agents in the model following a correlated random walk when searching for food or sleep sites.
Here, a very simple movement model drawn from mutually uncorrelated zero-white Gaussian noise processes, the variances of which are adapted to the movement of a pedestrian, is used for weighting.
"It's hard to get a very lifelike, fluid motion of a simple arm movement or hand movement without becoming jerky," he added.
