Same as for Recoil or Heel Contact, q. v.
Contact
Using the same adjusting hand as for the Heel Contact, place the middle of the ulnar edge of the fifth metacarpal bone in contact with the spinous process. If the vertebra be superior, place the edge of hand above, if inferior, place the hand below. This contact is especially good for S or I vertebrae.
Position of Hands and Arms
The fingers of adjusting hand cross the spine at a right angle to its long axis. The back of hand will be toward patient’s head except in adjusting the last two Lumbars, with which a change of hands is made necessary by the upward slant of the lower half of the Lumbar curve.
The palpating hand now grips the adjusting hand so that the fingers of the upper hand, held close together, press against and reinforce the lower on its dorsum and just above the contact point. The thumbs are hooked together as shown in Fig. 27, so that the hands may be stiffened and their tendency to roll avoided.
The elbows are outrotated and locked as in the Pisiform Double Transverse Move and both shoulders are loosened.
Movement
This is chiefly delivered with the upper arm, using upper hand to drive the lower. Force should be quickly delivered when patient is relaxed. The direction of force should be determined by the direction of subluxation and by the slant of the spinous process. Thus, when patient lies prone upon a bifid bench and sways downward against a lax abdominal support, the spinous processes of the lower dorsal make an acute angle with the plane of the floor. If one be superior, contact above it and force driven straight toward the floor will tend to correct the subluxation. There is a slightly different force angle for every subluxation correctable by this move.