Stacked joints are aligned in a straight line; in other words, the joints are extended as in anatomic position. This allows for the force from your core to travel through your upper extremity and into the client with little or no loss of strength.
Neck Deep Pressure Massage: Step by Step – Use Your Core
For deep pressure massage to the neck, align your core with your stroke by laterally (externally) rotating your arm at the shoulder joint so that your elbow is positioned in front of your core. Now lock your elbow into your core just inside (and usually slight above) your anterior superior iliac spine.
