The term Arthro (joint) Kinetic (motion) Reflex was coined by University of Pittsburg researchers to describe how sensory input from joint movement reflexively activates or inhibits muscles – and no other place in the body is this concept more applicable than in the joints and connective tissues of the shoulder girdle.
Erik Dalton Blog
Ideal shoulder girdle balance requires that some muscles act as stabilizers and others as mobilizers, depending on joint position and movement required for the particular task. A perfect balance of mobilizers and stabilizers results in optimal alignment, or joint centration. Think of joint centration like the wheel on a car.